Eriogonum fasciculatumBenth.

California Buckwheat

WFO wfo-0000674787 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Eriogonum fasciculatum, photographed by Jess Mullins
fig. a Jess Mullins, CC BY 4.0 / 2022-06-13 / obs. 205966379
Eriogonum fasciculatum, photographed by Jess Mullins
fig. b Jess Mullins, CC BY 4.0 / obs. 205695092
Eriogonum fasciculatum, photographed by Amthinkia
fig. c Amthinkia, CC0 1.0 / obs. 205034590
Eriogonum fasciculatum, photographed by Jess Mullins
fig. d Jess Mullins, CC BY 4.0 / obs. 205046377
Eriogonum fasciculatum, photographed by Jess Mullins
fig. e Jess Mullins, CC BY 4.0 / obs. 205045551
Eriogonum fasciculatum, photographed by velodrome
fig. f velodrome, CC BY 4.0 / obs. 204242861
Eriogonum fasciculatum, photographed by Amthinkia
fig. g Amthinkia, CC0 1.0 / obs. 203696495
Eriogonum fasciculatum, photographed by Jess Mullins
fig. h Jess Mullins, CC BY 4.0 / obs. 205695326

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.

Confused withby our own model

These are not lookalikes we guessed at. Each one is a species our identification model genuinely mistook for this plant, and how many times. The error rate is published.

Flowering n = 5,441 observations

Peak flowering in May, from 5,441 community-annotated observations worldwide. This is a global aggregate, not a forecast for your garden: the same species flowers on different dates in different hemispheres, and citizen-science records cluster near cities, at weekends, and in spring. Where a species has fewer than 30 annotated records we do not draw this chart at all.

Also published as 18 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.

  • Eriogonum fasciculatum subsp. aspalathoides (Gand.) S.Stokes
  • Eriogonum fasciculatum subsp. aspathaloides (Gand.) S.Stokes
  • Eriogonum fasciculatum subsp. fasciculatum
  • Eriogonum fasciculatum subsp. flavoviride S.Stokes
  • Eriogonum fasciculatum subsp. foliolosum (Nutt.) S.Stokes
  • Eriogonum fasciculatum subsp. polifolium (Benth.) S.Stokes
  • Eriogonum fasciculatum subsp. typicum S.Stokes
  • Eriogonum fasciculatum var. aspalathoides Gand.
  • Eriogonum fasciculatum var. ericifolium M.E.Jones
  • Eriogonum fasciculatum var. fasciculatum
  • Eriogonum fasciculatum var. maritimum Parish
  • Eriogonum fasciculatum var. obtusiflorum S.Stokes
  • Eriogonum fasciculatum var. oleifolium Gand.
  • Eriogonum fasciculatum var. revolutum S.Stokes
  • Eriogonum polifolium Benth.
  • Eriogonum revolutum Goodd.
  • Eriogonum rosmarinifolium Nutt.
  • Eriogonum rosmarinifolium var. foliolosum Nutt.

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.

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