Trifolium grayiLojac.

WFO wfo-0000167021 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Trifolium grayi, photographed by Barbara Banfield
fig. a Barbara Banfield, CC BY 4.0 / 2019-04-27 / obs. 37117391
Trifolium grayi, photographed by joergmlpts
fig. b joergmlpts, CC BY 4.0 / obs. 34762939
Trifolium grayi, photographed by Ken-ichi Ueda
fig. c Ken-ichi Ueda, CC BY 4.0 / obs. 8091864
Trifolium grayi, photographed by joergmlpts
fig. d joergmlpts, CC BY 4.0 / obs. 9300593
Trifolium grayi, photographed by Ken-ichi Ueda
fig. e Ken-ichi Ueda, CC BY 4.0 / obs. 1777300
Trifolium grayi, photographed by Mary K. Hanson
fig. f Mary K. Hanson, CC BY 4.0 / obs. 184494274
Trifolium grayi, photographed by Alex Heyman
fig. g Alex Heyman, CC0 1.0 / obs. 183485707
Trifolium grayi, photographed by Adam J. Searcy
fig. h Adam J. Searcy, CC BY 4.0 / obs. 66840896

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Native range 1 botanical country

Regions where Trifolium grayi is native: California California
Native distribution of Trifolium grayi, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows.
RegionTDWG codeContinent
California CAL NORTHERN AMERICA

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Also published as 4 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

  • Trifolium andrewsii (A.Gray) A.Heller
  • Trifolium barbigerum var. andrewsii A.Gray
  • Trifolium barbigerum var. lilacinum (Greene) Jeps.
  • Trifolium lilacinum Greene

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.