Trifolium albopurpureum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America
Trifolium alexandrinum, a dicot, is an annual herb that is not native to California.
Trifolium amoenum, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere). 8th Edition .It is listed by the Federal Government as Endangered .
Trifolium andersonii, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium andersonii ssp. andersonii, a dicot, is a perennial herb that is native to California.
California Rare Plant Rank: 4.3 (limited distribution). 8th Edition
Trifolium andersonii ssp. beatleyae, a dicot, is a perennial herb that is native to California.
Trifolium angustifolium, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium arvense, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium aureum, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium barbigerum, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
Trifolium beckwithii, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium bifidum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium bifidum var. bifidum, a dicot, is an annual herb that is native to California.
Trifolium bolanderi, a dicot, is a perennial herb that is native to California, and is endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere). 8th Edition
Trifolium breweri, a dicot, is a perennial herb that is native to California, is found only slightly beyond California borders.
Trifolium buckwestiorum, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere). 8th Edition
Trifolium campestre, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium ciliolatum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium cyathiferum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium dedeckerae, a dicot, is a perennial herb that is native to California, and is endemic (limited) to California. also called Trifolium kingii ssp. dedeckerae
California Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere). 8th
Trifolium depauperatum, a dicot, is an annual herb that is native to California, is also found elsewhere in North America and beyond
Trifolium depauperatum var. amplectens, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
Trifolium depauperatum var. depauperatum, a dicot, is an annual herb that is native to California
Trifolium depauperatum var. truncatum, a dicot, is an annual herb that is native to California
Trifolium dichotomum, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
Trifolium dubium, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium eriocephalum, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America
Trifolium eriocephalum ssp. cusickii, a dicot, is a perennial herb that is native to California.
Trifolium eriocephalum ssp. eriocephalum, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium fragiferum, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium fucatum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America
Trifolium glomeratum, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild
Trifolium gracilentum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium grayi, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
Trifolium gymnocarpon Nutt. Hollyleaf clover
Trifolium gymnocarpon ssp. plummerae, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
California Rare Plant Rank: 2B.3 (rare, threatened, or endangered in CA; common elsewhere). 8th Edition
Trifolium hirtum, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild. Cal-IPC rating: Limited
Trifolium howellii, a dicot, is a perennial herb that is native to California, Oregon.
California Rare Plant Rank: 4.3 (limited distribution). 8th Edition
Trifolium hybridum, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium hydrophilum, a dicot, is an annual herb that is native to California. also called Trifolium depauperatum var. hydrophilum
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere). 8th Edition
Trifolium incarnatum, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium jokerstii, a dicot, is an annual herb that is native to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere). 8th Edition
Trifolium kingii, a dicot, is a perennial herb that is native to California.
Trifolium kingii ssp. dedeckerae, a dicot, is a perennial herb that is native to California, and is endemic (limited) to California. also called Trifolium dedeckerae
Trifolium longipes, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium longipes ssp. atrorubens, a dicot, is a perennial herb that is native to California
Trifolium longipes ssp. elmeri, a dicot, is a perennial herb that is native to California.
Trifolium longipes ssp. hansenii, a dicot, is a perennial herb that is native to California.
Trifolium longipes ssp. multipedunculatum, a dicot, is a perennial herb that is native to California
Trifolium longipes ssp. oreganum, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium longipes ssp. shastense, a dicot, is a perennial herb that is native to California.
Trifolium macraei, a dicot, is an annual herb that is native to California, is also found elsewhere in North America and beyond
Trifolium macrocephalum, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium microcephalum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium microdon, a dicot, is an annual herb that is native to California, and is endemic (limited) to California
Trifolium monanthum, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium monanthum ssp. grantianum, a dicot, is a perennial herb that is native to California.
Trifolium monanthum ssp. monanthum, a dicot, is a perennial herb that is native to California.
Trifolium monanthum ssp. parvum, a dicot, is a perennial herb that is native to California.
trifolium monanthum ssp. tenerum, a dicot, is a perennial herb that is native to California.
Trifolium obtusiflorum, a dicot, is an annual herb that is native to California, is found only slightly beyond California border
Trifolium oliganthum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium olivaceum, a dicot, is an annual herb that is native to California, and is endemic (limited) to California
Trifolium palmeri, a dicot, is an annual herb that is native to California, Isla Guadalupe, BA.
also called Trifolium gracilentum var. palmeri
trifolium piorkowskii, a dicot, is an annual herb that is native to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere). 8th Edition
Trifolium polyodon, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere). 8th Edition
Trifolium pratense, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium productum, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium repens, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium resupinatum, a dicot, is an annual herb that is not native to California.
Trifolium retusum, a dicot, is an annual herb that is not native to California.
Trifolium siskiyouense, a dicot, is a perennial herb that is native to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere). 8th Edition
Trifolium stellatum, a dicot, is an annual herb that is not native to California.
Trifolium striatum, a dicot, is an annual herb that is not native to California.
Trifolium subterraneum, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium suffocatum, a dicot, is a perennial herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Trifolium tomentosum, a dicot, is an annual herb that is not native to California.
Trifolium trichocalyx, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere). 8th Edition
It is listed by the State of California as Endangered and by the Federal Government as 'Endangered '.
Trifolium variegatum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium variegatum var. major, a dicot, is an annual herb that is native to California.
Trifolium variegatum var. variegatum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.
Trifolium vesiculosum, a dicot, is an annual herb that is not native to California
Trifolium willdenovii, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America
Trifolium wormskioldii, a dicot, is a perennial herb that is native to California, is also found outside of California, but is confined to western North America.