Ranunculus 10a Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 10b Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 10c Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 11a Lund Bot Garden 160704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 11b Lund Bot Garden 160704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 11d Lund Bot Garden 160704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 11f Lund Bot Garden 160704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 11h Lund Bot Garden 160704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 11i Lund Bot Garden 160704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 11j Lund Bot Garden 160704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 11k Lund Bot Garden 160704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 12d Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 14b Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 14c Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 1b above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 2b south of Segovia SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 2d south of Segovia SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 2e south of Segovia SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 3a Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 3b Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 3c Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 4a Mikri Limni, Lesvos, Greece 100511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 4b Mikri Limni, Lesvos, Greece 100511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 5c (cult) Perth Herbarium, Western Australia 111010 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 5d (cult) Perth Herbarium, Western Australia 111010 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 5e (cult) Perth Herbarium, Western Australia 111010 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 6 Göteborg Bot Garden 910607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 7a Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 7b Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 7c Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 7d Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 7e Auckland Botanical Garden 151103 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 9b Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aconitifolius 3 Bergianska 060620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aconitifolius 6 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus acris ssp acris 4 Lund Sk 120722 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus acris ssp acris 5 Lund Sk 120722 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus acris ssp acris 6 Lund Sk 120722 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus adoxifolius Baimashan, Yunnan - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus alpestris 1 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus alpestris 6 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus alpestris 7 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus amplexicaulis 5 Lund Bot Garden 130515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus amplexicaulis 6 Lund Bot Garden 130515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus amplexicaulis 8 Lund Bot Garden 100608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus amplexicaulis x cf seguieri 1 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 10 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 11 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 12 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 13 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 14 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 16 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 17 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 3 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 4 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 9 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis var diffusus 1 Gyetorp, Trolle-Ljungby Sk 090604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis var diffusus 2 Gyetorp, Trolle-Ljungby Sk 090604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis var diffusus 3 Gyetorp, Trolle-Ljungby Sk 090604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis var diffusus Omey Island near Claddaghduff, Ireland 170526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arcticus 2 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arcticus 4 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arcticus 5 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arcticus 7 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 10 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 11 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 12 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 13 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 4 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 6 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 1 Myrsini-Sfaki, Crete 110330 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 10 Phaistos, Crete 110331 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 11 Matala, Crete 110331 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 12 N of Agia Galini, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 13 N of Agia Galini, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 14 Vai, Crete 110330 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 3 Myrsini-Sfaki, Crete 110330 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 5 Alanya, Turkey 090405 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 7 Matala, Crete 110331 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 8 Phaistos, Crete 110331 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 9 Phaistos, Crete 110331 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 1 Lund Bot Garden 130503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 10 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 11 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 12 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 13 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 2 Lund Bot Garden 130503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 8 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 9 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus baldschuanicus 2 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus baldschuanicus 3 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 3 Hammars backar Sk 120526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 4 Lilla Hammar, Stora Hammar, Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 5 Lilla Hammar, Stora Hammar, Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 6 Lilla Hammar, Stora Hammar, Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 8 Lilla Hammar, Stora Hammar, Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 9 Höllviken Sk 150517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cacuminis 1 Mt Voras (Kajmakcalan), N Greece 180701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus calandrinioides Lund Bot Garden 910614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus canus 4 Gorman Hills, CA 130409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus canus 5 Gorman Hills, CA 130409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus canus 6 Gorman Hills, CA 130409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cassubicus coll Väddö, Uppland 850619 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus caucasicus 2 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus caucasicus 3 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus caucasicus 4 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf chinensis Chengdu, China 930409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf paludosus 4 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf paludosus 5 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf serpens 2 Botiza, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf spicatus 4 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf spicatus 5 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf spicatus 6 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf tripartitus 1 W of Mandamados, Lesvos, Greece 100514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf tripartitus 2 W of Mandamados, Lesvos, Greece 100514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chinensis 1 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chinensis 2 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chinensis 3 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chinensis 5 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chinensis 6 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 1 NW of Alanya, Turkey 090407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 11 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 2 NW of Alanya, Turkey 090407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 4 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 5 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 6 Copenhagen Bot Garden 140718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 7 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus circinatus 1 Råbelöv, Österslöv, Skåne 820702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus confervoides 1 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus confervoides 2 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus confervoides 3 Lille Saltsö, Kangerlussuaq, Greenland 140704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus confervoides 4 Lille Saltsö, Kangerlussuaq, Greenland 140704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus confervoides 5 Lille Saltsö, Kangerlussuaq, Greenland 140704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus confervoides 6 Lille Saltsö, Kangerlussuaq, Greenland 140704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus confervoides 7 near Båtsfjord, Finnmark, Norway 220726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus confervoides 8 near Båtsfjord, Finnmark, Norway 220726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus confervoides 9 near Båtsfjord, Finnmark, Norway 220726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cortusifolius 1 Barranco El Rincon, Gran Canaria 080409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cortusifolius 3 Barranco El Rincon, Gran Canaria 080409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cortusifolius 4 Barranco El Rincon, Gran Canaria 080409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cortusifolius 5 Barranco El Rincon, Gran Canaria 080409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus crenatus Göteborg Bot Garden 9106 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus creticus 2 Kotsifou, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus creticus 4 Kotsifou, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 1 mouth of Mörrumsån, Blekinge 110814 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 3 mouth of Mörrumsån, Blekinge 110814 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 4 mouth of Mörrumsån, Blekinge 110814 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 5 mouth of Mörrumsån, Blekinge 110814 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 6 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 7 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 8 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 9 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 1 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 11 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 12 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 2 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 3 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 4 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 7 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 8 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 9 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus glacialis 1 Riksgränsen, Torne Lappmark 830725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus glacialis 10 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus glacialis 2 Låktatjåkka, Torne Lappmark 830726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus glacialis 3 Juvasshytta, Norway 820731 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus glacialis 6 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus glacialis 7 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus glacialis 8 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus glacialis 9 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gracilis 4 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gracilis 5 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 10 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 11 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 3 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 4 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 5 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 8 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 9 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hebecarpus 2 Triumphal Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hebecarpus 3 Triumphal Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hebecarpus 4 Triumphal Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hebecarpus 5 Triumphal Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hebecarpus 6 Triumphal Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hebecarpus 7 Triumphal Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 1 Söndrum, Halland 850630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 10 N of Hobro, Jylland 090828 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 11 Garinish Island, West Cork, Ireland 170524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 12 Garinish Island, West Cork, Ireland 170524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 13 Garinish Island, West Cork, Ireland 170524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 14 Garinish Island, West Cork, Ireland 170524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 2 Söndrum, Halland 850630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 3 Söndrum, Halland 850630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 4 Söndrum, Halland 850630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 5 Söndrum, Halland 120612 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 6 Söndrum, Halland 120612 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 7 Söndrum, Halland 120612 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 8 N of Hobro, Jylland 090828 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hederaceus 9 N Hobro, Jylland 090828 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hybridus Göteborg Bot Garden 9106 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hyperboreus ssp arnellii Tverrdalen-Reindalen, Svalbard 790720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hyperboreus ssp hyperboreus 1 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hyperboreus ssp hyperboreus 2 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hyperboreus ssp hyperboreus 3 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hyperboreus ssp hyperboreus 4 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hyperboreus ssp hyperboreus 5 Lille Saltsö, Kangerlussuaq, Greenland 140704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hyperboreus ssp hyperboreus 6 Lille Saltsö, Kangerlussuaq, Greenland 140704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hyperboreus ssp hyperboreus 7 Lille Saltsö, Kangerlussuaq, Greenland 140704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hyperboreus ssp hyperboreus 8 Abisko Östra, Torne Lappmark 910717 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 1 S of Resmo, Öland 950604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 11 between Resmo and Vickleby, Öland 150605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 12 between Resmo and Vickleby, Öland 150605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 13 between Resmo and Vickleby, Öland 150605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 5 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 6 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 7 (cult) Brunnby Sk 110521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 8 (cult) Brunnby Sk 110521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus krasnovii Göteborg Bot Garden 910607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus kuepferi 4 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 11 Bukta forest NE of Zelsva S of Marijampole, Lithuania 170515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 12 Bukta forest NE of Zelsva S of Marijampole, Lithuania 170515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 13 Bukta forest NE of Zelsva S of Marijampole, Lithuania 170515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 14 Bukta forest NE of Zelsva S of Marijampole, Lithuania 170515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 16 Bukta forest NE of Zelsva S of Marijampole, Lithuani 210712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 5 Vilnius Bot Garden, Lithuania 100713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 9 Masmo, Huddinge, Södermanland 040618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lateriflorus 1 Aghios Stefanos W of Petra, Lesvos, Greece 100514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lateriflorus 2 Aghios Stefanos W of Petra, Lesvos, Greece - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lateriflorus 3 NE of Skalochori, Lesvos, Greece 100510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lateriflorus 4 NE of Skalochori, Lesvos, Greece 100510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lateriflorus 5 NE of Skalochori, Lesvos, Greece 100510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lateriflorus 6 NE of Skalochori, Lesvos, Greece 100510 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lingua 1 Lund Bot Garden 120720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lingua 2 Lund Bot Garden 120720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lingua 3 Lund Bot Garden 120720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lingua 4 Lund Bot Garden 120720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lingua 5 Lund Bot Garden 120720 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lyallii 3 Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lyallii 4 Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lyallii 5 Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lyallii 6 Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus marginatus Lund Bot Garden 910607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus marginatus var trachycarpus 1 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus marginatus var trachycarpus 2 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus marginatus var trachycarpus 3 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus marginatus var trachycarpus 4 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus mauiensis 3 Olinda Endangered Plant Facility, East Maui, Hawaii 130718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus mauiensis 4 Olinda Endangered Plant Facility, East Maui, Hawaii 130718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus mauiensis 5 Olinda Endangered Plant Facility, East Maui, Hawaii 130718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus mauiensis 6 Olinda Endangered Plant Facility, East Maui, Hawaii 130718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus mauiensis 7 Olinda Endangered Plant Facility, East Maui, Hawaii 130718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus mauiensis 8 Olinda Endangered Plant Facility, East Maui, Hawaii 130718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus mauiensis 9 Olinda Endangered Plant Facility, East Maui, Hawaii 130718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus millefoliatus 3 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus millefoliatus 4 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus millefoliatus 5 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus millefoliatus 6 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus montanus 2 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus montanus 3 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus montanus 5 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus montanus 6 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus montanus 7 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus montanus 8 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus montanus 9 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus muricatus 1 Puerto del Bujeo, Andalusia SP 120324 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus muricatus 2 Cubo de Galga, La Palma 090507 (Richard Åkesson) - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus muricatus 3 Cubo de Galga, La Palma 090507 (Richard Åkesson) - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus muricatus 4 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus muricatus 5 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus muricatus 6 NE of Ireo, Samos, Greece 920505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus muricatus 7 NE of Ireo, Samos, Greece 920505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus neapolitanus 4 Lago San Rosalia, Sicily 190418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus neapolitanus 5 Lago San Rosalia, Sicily 190418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus neapolitanus 6 Lago San Rosalia, Sicily 190418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus neapolitanus 7 Lago San Rosalia, Sicily 190418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus neapolitanus 8 Lago San Rosalia, Sicily 190418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivalis 1 Riksgränsen, Torne Lappmark 880704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivalis 4 Abisko, Torne Lappmark 110725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivalis 5 Abisko, Torne Lappmark 110725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivalis 6 Abisko, Torne Lappmark 110725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 11 Turoa Skifield, Tongariro NZ 151116 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 12 Turoa Skifield, Tongariro NZ 151116 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 13 Turoa Skifield, Tongariro NZ 151116 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 5 Taranaki (Mt Egmont) NZ 151110 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 6 Taranaki (Mt Egmont) NZ 151110 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 7 Taranaki (Mt Egmont) NZ 151110 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 8 Taranaki (Mt Egmont) NZ 151110 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus ophioglossifolius 3 Mikri Limni, Lesvos, Greece 100511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus ophioglossifolius 4 Sjaustre, Östergarn, Gotland 070605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus ophioglossifolius 5 Sjaustre, Östergarn, Gotland 070605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus ophioglossifolius 6 Sjaustre, Östergarn, Gotland 070605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus ophioglossifolius 7 Sjaustre, Östergarn, Gotland 070605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus paludosus 10 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus paludosus 6 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus paludosus 8 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus paludosus 9 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp baudotii 1 Eskilstorps Ängar Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp baudotii 2 Eskilstorps Ängar Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp baudotii 3 Eskilstorps Ängar Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp baudotii 4 Eskilstorps Ängar Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp baudotii 5 Eskilstorps Ängar Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp baudotii 6 Eskilstorps Ängar Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp baudotii 7 Eskilstorps Ängar Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp baudotii 8 Eskilstorps Ängar Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp baudotii 9 Eskilstorps Ängar Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 1 Gyllebo, Östra Vemmerlöv Sk 140520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 10 Haparanda, Norrbotten 220729 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 11 Haparanda, Norrbotten 220729 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 12 Haparanda, Norrbotten 220729 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 2 Gyllebo, Östra Vemmerlöv Sk 140520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 3 Gyllebo, Östra Vemmerlöv Sk 140520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 4 Gyllebo, Östra Vemmerlöv Sk 140520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 5 Gyllebo, Östra Vemmerlöv Sk 140520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 6 Gyllebo, Östra Vemmerlöv Sk 140520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 7 Gyllebo, Östra Vemmerlöv Sk 140520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 8 Gyllebo, Östra Vemmerlöv Sk 140520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp penicillatus 1 Skjern Å, Sönderfelding, Jylland DK 130629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp penicillatus 2 Skjern Å, Sönderfelding, Jylland DK 130629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp penicillatus 3 Skjern Å, Sönderfelding, Jylland DK 130629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp penicillatus 4 Skjern Å, Sönderfelding, Jylland DK 130629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp penicillatus 5 Skjern Å, Sönderfelding, Jylland DK 130629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp penicillatus 6 Skjern Å, Sönderfelding, Jylland DK 130629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp penicillatus 7 Skjern Å, Sönderfelding, Jylland DK 130629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 1 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 10 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 11 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 2 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 3 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 4 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 5 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 6 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 7 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 8 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus penicillatus ssp pseudofluitans 9 Egtved Å near Nybjerg Mölle, Jylland DK 130630 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 11 Bövertun, Norway 820730 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 12 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 14 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 2 Bad Gastein, Austria 080704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 4 Nassfeld, Austria 080701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 8 Bad Gastein, Austria 080704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 9 Bad Gastein, Austria 080704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos 14 Kungsmarken Sk 180825 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos 15 Kungsmarken Sk 180825 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 12 Täby, Uppland 990611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 3 Österplana, Västergötland 140529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 4 Österplana, Västergötland 140529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 5 Österplana, Västergötland 140529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 6 Österplana, Västergötland 140529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 9 Österplana, Västergötland 140529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 1 Vickleby, Öland 120601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 10 Lund Bot Garden 080514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 11 Lund Bot Garden 130523 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 12 Lund Bot Garden 130523 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 15 Vickleby, Öland 150605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 2 Vickleby, Öland 120601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 3 Vickleby, Öland 120601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 7 Lund Bot Garden 130523 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 8 Lund Bot Garden 130523 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 9 Lund Bot Garden 080514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus pygmaeus 1 Abisko, Torne Lappmark 110725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus pygmaeus 2 Abisko, Torne Lappmark 110725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus pygmaeus 3 Abisko, Torne Lappmark 110725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus pygmaeus 4 Abisko, Torne Lappmark 110725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus pygmaeus 5 Abisko, Torne Lappmark 110725 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus pygmaeus 6 Adventdalen, Svalbard 790715 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus recurvatus 1 Storrs, Connecticut 900511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus recurvatus 2 Storrs, Connecticut 900511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus repens 10 Höllviken Sk 120718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus repens 3 Höllviken Sk 120718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus repens 4 Lund Sk 130530 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus repens 5 Lund Sk 130530 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus repens 6 Lund Sk 130530 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus repens 7 Lund Sk 080527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus repens 8 Lund Sk 080527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus repens 9 Höllviken Sk 120718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus reptans 1 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus reptans 2 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus reptans 3 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus reptans 4 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus reptans 5 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus reptans 6 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus reptans 7 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus reptans 8 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus reptans 9 Kangerlussuaq, Greenland 140705 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 10 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 11 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 16 Torcal de Antequera, Andalucía Spain 220418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 17 Torcal de Antequera, Andalucía Spain 220418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 8 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 9 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 10 Näsby, Ås, Öland 080607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 7 Näsby, Ås, Öland 080607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 8 Näsby, Ås, Öland 080607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 9 Näsby, Ås, Öland 080607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sartorianus 2 Mt Voras (Kajmakcalan), N Greece 180701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sartorianus 3 Mt Voras (Kajmakcalan), N Greece 180701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sartorianus 4 Mt Voras (Kajmakcalan), N Greece 180701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sartorianus 5 Mt Voras (Kajmakcalan), N Greece 180701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sartorianus 6 Mt Voras (Kajmakcalan), N Greece 180701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sartorianus 7 Mt Voras (Kajmakcalan), N Greece 180701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sartorianus 8 Mt Voras (Kajmakcalan), N Greece 180701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sceleratus 5 Lund Sk 120930 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sceleratus 6 Lund Sk 120930 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sceleratus 9 Lund Sk 121001 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus seguieri Göteborg Bot Garden 910607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus semiverticillatus Göteborg Bot Garden 910607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sericeus 3 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus spicatus Lund Bot Garden 9106 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sulphureus Tverrdalen, Svalbard 790723 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus tanguticus 1 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus tanguticus 2 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus tanguticus 3 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus tanguticus 4 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus trilobus 1 Lund Bot Garden 910621 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus trilobus 2 Lund Bot Garden 910615 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus trilobus 3 Lund Bot Garden 910621 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus trilobus 4 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus trilobus 5 Copenhagen Bot Garden 130821 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus tuberosus 1 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus velutinus 1 above Metsovon, Greece 180627 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus weyleri 1 Jardín Botanico, Soller, Mallorca 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus weyleri 2 Jardín Botanico, Soller, Mallorca 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus weyleri 3 Jardín Botanico, Soller, Mallorca 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus weyleri 4 Jardín Botanico, Soller, Mallorca 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus weyleri 5 Jardín Botanico, Soller, Mallorca 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus weyleri 6 Jardín Botanico, Soller, Mallorca 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus weyleri 7 Jardín Botanico, Soller, Mallorca 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus weyleri 8 Jardín Botanico, Soller, Mallorca 110419 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 12a Vashlovani Nat. Park, Georgia 170424 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 12b Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 12c Eagle Gorge Nat. Park, Georgia 170425 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 13a Grabadito area, southern Pyrenees, N Spain 180524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 13b Grabadito area, southern Pyrenees, N Spain 180524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 14a Pantallica area, Sicily 190416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 15a Anja park, Madagascar 191013 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 15b Anja park, Madagascar 191013 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 15c Anja park, Madagascar 191013 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 1a above Seki, near Syedra, Turkey 090410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 2a south of Segovia SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 2c south of Segovia SP 140505 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 5a (cult) Perth Herbarium, Western Australia 111010 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 5b (cult) Perth Herbarium, Western Australia 111010 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 5f (cult) Perth Herbarium, Western Australia 111010 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 8a Cutty Grass Track, Auckland NZ 151104 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus 9a Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus abortivus 1 Storrs, Connecticut 900512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus abortivus 2 Storrs, Connecticut 900512 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aconitifolius 1 Bergianska 060620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aconitifolius 2 Bergianska 060620 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aconitifolius 4 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aconitifolius 5 between Villar d'Arène and Col du Lautaret FR 150707 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus acris ssp acris 1 E of Lund Sk 130614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus acris ssp acris 2 E of Lund Sk 130614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus acris ssp acris 3 E of Lund Sk 130614 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus acris ssp friesianus 1 Ultuna, Uppland 960625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus acris ssp friesianus 2 Ultuna, Uppland 960625 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus alismifolius Göteborg Bot Garden 910607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus alpestris 2 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus alpestris 3 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus alpestris 4 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus alpestris 5 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus amplexicaulis 1 Lund Bot Garden 100521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus amplexicaulis 2 Lund Bot Garden 100521 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus amplexicaulis 3 Lund Bot Garden 130515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus amplexicaulis 4 Lund Bot Garden 130515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus amplexicaulis 7 Lund Bot Garden 130515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus amplexicaulis x cf seguieri 2 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 15 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 18 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis 7 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus aquatilis var diffusus 4 Gyetorp, Trolle-Ljungby Sk 090604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arcticus 1 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arcticus 3 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arcticus 6 Store Saltsö, Kangerlussuaq, Greenland 140629 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 1 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 2 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 3 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 5 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 7 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 8 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus arvensis 9 Dalby Västermark Sk 130618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 15 Vai, Crete 110330 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 2 Myrsini-Sfaki, Crete 110330 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 4 NW of Alanya, Turkey 090407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus asiaticus 6 Matala, Crete 110331 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 14 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 3 Bosjökloster Sk 150503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 4 Bosjökloster Sk 150503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 5 Bosjökloster Sk 150503 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 6 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus auricomus coll 7 Lund Bot Garden 150514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus baldschuanicus 1 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 1 Lilla Hammar, Stora Hammar, Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 10 Höllviken Sk 150517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 11 Höllviken Sk 150517 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 2 Lilla Hammar, Stora Hammar, Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus bulbosus 7 Lilla Hammar, Stora Hammar, Sk 130518 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus canus 1 Gorman Hills, CA 130409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus canus 2 Gorman Hills, CA 130409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus canus 3 Gorman Hills, CA 130409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus caucasicus 1 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf flammula 1 Lake Rotopounamu SW of Turangi NZ 151117 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf flammula 2 Lake Rotopounamu SW of Turangi NZ 151117 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf montanus 1 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf montanus 2 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf paludosus 1 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf paludosus 2 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf paludosus 3 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf serpens 1 Botiza, Romania 090613 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf spicatus 1 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf spicatus 2 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf spicatus 3 Hoces del Rio Duratón near Sepúlveda SP 140504 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cf tripartitus 3 W of Mandamados, Lesvos, Greece 100514 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chinensis 4 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 10 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 3 NW of Alanya, Turkey 090407 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 8 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus chius 9 Copenhagen Bot Garden 140719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus circinatus 2 Råbelöv, Österslöv, Skåne 820702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus circinatus 3 S of Höjer, Jylland DK 140803 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus circinatus 4 S of Höjer, Jylland DK 140803 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus cortusifolius 2 Barranco El Rincon, Gran Canaria 080409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus creticus 1 Kotsifou, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus creticus 3 Kotsifou, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus creticus 5 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus creticus 6 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus creticus 7 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus creticus 8 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus creticus 9 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 10 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 11 Eketorp, Gräsgård, Öland 150604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus flammula 2 mouth of Mörrumsån, Blekinge 110814 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 10 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 5 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus fluitans 6 Köpinge Sk 140601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus glacialis 4 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus glacialis 5 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gracilis 1 NE of Spili, Crete 110327 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gracilis 2 NE of Spili, Crete 110327 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gracilis 3 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 1 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 2 Parque Natural Sierra de Gredos, west of Arenas de San Pedro SP 140506 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 6 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus gramineus 7 Lund Bot Garden 100527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus hebecarpus 1 Triumphal Park, CA 130410 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 10 between Resmo and Vickleby, Öland 150605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 2 E of Strandtorp, Räpplinge, Öland 770608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 3 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 4 Lund Bot Garden 130527 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus illyricus 9 between Resmo and Vickleby, Öland 150605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus kuepferi 1 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus kuepferi 2 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus kuepferi 3 between Col du Lautaret and Col du Galibier FR 150708 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 1 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 10 Bukta forest NE of Zelsva S of Marijampole, Lithuania 170515 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 15 Bukta forest NE of Zelsva S of Marijampole, Lithuania 210712 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 2 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 3 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 4 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 6 Vilnius Bot Garden, Lithuania 100713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 7 Masmo, Huddinge, Södermanland 040618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lanuginosus 8 Masmo, Huddinge, Södermanland 040618 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lyallii 1 Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus lyallii 2 Otari Botanical Garden, Wellington NZ 151113 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus mauiensis 1 Olinda Endangered Plant Facility, East Maui, Hawaii 130718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus mauiensis 10 Olinda Endangered Plant Facility, East Maui, Hawaii 130718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus mauiensis 2 Olinda Endangered Plant Facility, East Maui, Hawaii 130718 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus millefoliatus 1 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus millefoliatus 2 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus millefoliatus 7 Copenhagen Bot Garden 130516 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus montanus 1 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus montanus 4 Schlossalm, Austria 080703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus neapolitanus 1 N of Polygyros, Greece 050526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus neapolitanus 2 N of Polygyros, Greece 050526 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus neapolitanus 3 Lago San Rosalia, Sicily 190418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivalis 2 Ny-Ålesund, Svalbard 790713 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivalis 3 Riksgränsen, Torne Lappmark 880704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 1 Taranaki (Mt Egmont) NZ 151110 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 10 Taranaki (Mt Egmont) NZ 151110 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 2 Taranaki (Mt Egmont) NZ 151110 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 3 Taranaki (Mt Egmont) NZ 151110 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 4 Taranaki (Mt Egmont) NZ 151110 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus nivicola 9 Taranaki (Mt Egmont) NZ 151110 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus ophioglossifolius 1 Mikri Limni, Lesvos, Greece 100511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus ophioglossifolius 2 Mikri Limni, Lesvos, Greece 100511 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus oreophilus 1 Malá studená dolina, Slovakia 950628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus oreophilus 2 Malá studená dolina, Slovakia 950628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus oreophilus 3 Malá studená dolina, Slovakia 950628 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus paludosus 1 N of Agia Galini, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus paludosus 2 N of Agia Galini, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus paludosus 3 N of Agia Galini, Crete 110329 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus paludosus 4 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus paludosus 5 Soulia, Crete 110326 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus paludosus 7 Sierra Bermeja, Andalucía Spain 220416 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus parnassiifolius 1 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus parnassiifolius 2 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus parnassiifolius 3 Göteborg Bot Garden 130524 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 13 Haparanda, Norrbotten 220729 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 14 Haparanda, Norrbotten 220729 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus peltatus ssp peltatus 9 Gyllebo, Östra Vemmerlöv Sk 140520 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 1 Bad Gastein, Austria 080704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 10 Bövertun, Norway 820730 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 13 Chamrousse FR 150703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 3 Nassfeld, Austria 080701 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 5 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 6 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus platanifolius 7 Stubnerkogel, Austria 080702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemoides 1 Norrlanda, Gotland 070604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemoides 2 Norrlanda, Gotland 070604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemoides 3 Fleringe, Gotland 980728 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 1 Österplana, Västergötland 140529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 10 Österplana, Västergötland 140529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 11 Fjälkestad, Skåne 820702 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 13 Täby, Uppland 990611 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 2 Österplana, Västergötland 140529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 7 Österplana, Västergötland 140529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus polyanthemos ssp polyanthemos 8 Österplana, Västergötland 140529 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 13 Vickleby, Öland 150605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 14 Vickleby, Öland 150605 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 4 Vickleby, Öland 120601 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 5 Lund Bot Garden 130523 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus psilostachys 6 Lund Bot Garden 130523 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus repens 1 Hovdala, Brönnestad Sk 110531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus repens 2 Hovdala, Brönnestad Sk 110531 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rumelicus Ambelos Padroso, Samos, Greece 920508 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 1 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 12 Sierra de las Nieves, Andalucía Spain 220409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 13 Sierra de las Nieves, Andalucía Spain 220409 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 14 Torcal de Antequera, Andalucía Spain 220418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 15 Torcal de Antequera, Andalucía Spain 220418 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 2 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 3 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 4 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 5 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 6 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus rupestris 7 Monda, Andalusia SP 120322 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 1 Videholm, Stora Hammar Sk 130608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 11 Näsby, Ås, Öland 080607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 12 Näsby, Ås, Öland 080607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 2 Videholm, Stora Hammar Sk 130608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 3 Näsby, Ås, Öland 080607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 4 Näsby, Ås, Öland 080607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 5 Näsby, Ås, Öland 080607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sardous 6 Näsby, Ås, Öland 080607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sartorianus 1 Mt Falakron, N Greece 180703 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sceleratus 1 Lund Sk 121001 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sceleratus 2 Lund Sk 121001 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sceleratus 3 Lund Sk 121001 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sceleratus 4 Lund Sk 121001 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sceleratus 7 Skanörs Ljung Sk 130608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sceleratus 8 Skanörs Ljung Sk 130608 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sericeus 1 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sericeus 2 Copenhagen Bot Garden 130604 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sulphureus 1 near Båtsfjord, Finnmark, Norway 220726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sulphureus 2 near Båtsfjord, Finnmark, Norway 220726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sulphureus 3 near Båtsfjord, Finnmark, Norway 220726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sulphureus 4 near Båtsfjord, Finnmark, Norway 220726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sulphureus 5 near Båtsfjord, Finnmark, Norway 220726 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus sulphureus Battfjellet, Svalbard 790719 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus tanguticus 5 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus tanguticus 6 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus tanguticus 7 Napa Hai, Yunnan 110709 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus thora Göteborg Bot Garden 910607 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus tuberosus 2 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus tuberosus 3 Cote 2000 between Moucherolle and Moucherotte FR 150704 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).

Ranunculus velutinus 2 above Metsovon, Greece 180627 - Photo: Jan Thomas Johansson (© 2014 Jan Thomas Johansson).