Hordeum jubatumL.

Foxtail Barley

WFO wfo-0000874831 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h

Hordeum jubatum, photographed by Daniel S.
fig. a Daniel S., CC BY 4.0 / 2022-05-22 / obs. 199862883
Hordeum jubatum, photographed by Celina Waldron
fig. b Celina Waldron, CC BY 4.0 / obs. 204293202
Hordeum jubatum, photographed by Виктория Билоус
fig. c Виктория Билоус, CC BY 4.0 / obs. 195589640
Hordeum jubatum, photographed by Lyrae
fig. d Lyrae, CC BY 4.0 / obs. 192891564
Hordeum jubatum, photographed by Patrick Hacker
fig. e Patrick Hacker, CC BY 4.0 / obs. 159031319
Hordeum jubatum, photographed by Силаева Татьяна Борисовна
fig. f Силаева Татьяна Борисовна, CC0 1.0 / obs. 165159184
Hordeum jubatum, photographed by Tatiana Strus
fig. g Tatiana Strus, CC BY 4.0 / obs. 161873211
Hordeum jubatum, photographed by Clifton Ladd, C.W.B.
fig. h Clifton Ladd, C.W.B., CC BY 4.0 / obs. 155228432

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 = 164 observations

Peak flowering in Jul, from 164 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 17 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.

  • Critesion adscendens (Kunth) Á.Löve
  • Critesion geniculatum Raf.
  • Critesion jubatum (L.) Nevski
  • Critesion jubatum subsp. jubatum
  • Elymus jubatus (L.) Link
  • Hordeum adscendens Kunth
  • Hordeum caespitosum Scribn. ex Pammel
  • Hordeum caespitosum Scribn.
  • Hordeum jubatum subsp. intermedium Bowden
  • Hordeum jubatum subsp. jubatum
  • Hordeum jubatum var. caespitosum (Scribn.) Hitchc.
  • Hordeum jubatum var. jubatum
  • Hordeum jubatum var. normale Kuntze
  • Hordeum jubatum var. pampeanum Hauman
  • Hordeum jubatum var. tomentellum Nevski
  • Hordeum pampeanum (Hauman) Herter
  • Hordeum pubiflorum var. pampeanum (Hauman) Melderis

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.