Haematomma sorediatum
Family
Haematommataceae
Flora category
Lichen – Native
Endemic taxon
No
Endemic genus
No
Endemic family
No
Structural class
Lichens - Crustose
Current conservation status
2018 | Data Deficient | Qualifiers: SO
Brief description
A inconspicuous corticolous species characterised by the presence of small, orbicular soralia and the orange-red, pruinose apothecial discs.
Distribution
North Island: Northland (Kaitaia, Herekino, Mt Taratara, Kaeo, Waipoua Forest), South Auckland (Mamaku Plateau). South Island: Nelson (Kaihoka Lakes).
Known also from France, Portugal, Madeira, Cuba, Brazil, Chile, India, and East Australia.
Habitat
On bark of Beilschmiedia tawa, Phyllocladus, Rhopalostylis sapida, 10–1200 m. The species is quite common in northern New Zealand and is disjunt in north west Nelson, a pattern shown by a number of lichens including: Lichenothrix riddlei, Megolospora bartlettii, Parmotrema mellissii, Pseudocyphellaria montagnei, Sticta babingtonii, Teloschistes flavicans and Thysanothecim hookeri.
Detailed description
Thallus white to grey, chinky or granular, corticate, sorediate. Soralia small, orbicular, scattered, white. Apothecia sessile, constricted at base, to 1 mm diam., thalline exciple well-developed, entire or somewhat irregular; disc orange-red, epruinose. Ascospores helically asymmetric, 8–14-septate, 50–70 × 4–7 μm.
Chemistry: Atranorin, placodialic acid, haematommone.
Substrate
Corticolous
Attribution
Fact sheet prepared by Marley Ford (5 August 2021). Brief description, Distribution, Habitat, Features and Similar taxa sections copied from Galloway (2007).
References and further reading
Galloway D.J. 2007: Flora of New Zealand: Lichens, including lichen-forming and lichenicolous fungi. 2nd edition. Lincoln, Manaaki Whenua Press. 2261 pp.