Bromus kalmiiA.Gray

arctic brome

WFO wfo-0000855847 Accepted WFO 2026-06 8 photographs CC0 / CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Bromus kalmii, photographed by Henry "Nick" Robertson
fig. a Henry "Nick" Robertson, CC BY-SA 4.0 / 2021-08-15 / obs. 151183777
Bromus kalmii, photographed by Rae Bosley
fig. b Rae Bosley, CC0 1.0 / obs. 143627871
Bromus kalmii, photographed by Mike B
fig. c Mike B, CC BY-SA 4.0 / obs. 140431040
Bromus kalmii, photographed by Reuven Martin
fig. d Reuven Martin, CC0 1.0 / obs. 84041882
Bromus kalmii, photographed by Mike B
fig. e Mike B, CC BY-SA 4.0 / obs. 84036811
Bromus kalmii, photographed by aarongunnar
fig. f aarongunnar, CC BY 4.0 / obs. 47113927
Bromus kalmii, photographed by Quinten Wiegersma
fig. g Quinten Wiegersma, CC BY 4.0 / obs. 29929263
Bromus kalmii, photographed by Reuven Martin
fig. h Reuven Martin, CC0 1.0 / obs. 23659205

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 24 botanical countries

Regions where Bromus kalmii is native: Connecticut, District of Columbia, Illinois, Indiana, Iowa, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, New Hampshire, New Jersey, New York, North Dakota, Ohio, Ontario, Pennsylvania, Québec, South Dakota, Vermont, Virginia, West Virginia, Wisconsin ConnecticutIllinoisIndianaIowaMaineManitobaMarylandMassachusettsMichiganMinnesotaNew HampshireNew JerseyNew YorkNorth DakotaOhioOntarioPennsylvaniaQuébecSouth DakotaVermontVirginiaWest VirginiaWisconsin District of Columbia
Native distribution of Bromus kalmii, 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. Regions too small to draw at this scale are marked with a dot.
RegionTDWG codeContinent
Connecticut CNT NORTHERN AMERICA
District of Columbia WDC
Illinois ILL
Indiana INI
Iowa IOW
Maine MAI
Manitoba MAN
Maryland MRY
Massachusetts MAS
Michigan MIC
Minnesota MIN
New Hampshire NWH
New Jersey NWJ
New York NWY
North Dakota NDA
Ohio OHI
Ontario ONT
Pennsylvania PEN
Québec QUE
South Dakota SDA
Vermont VER
Virginia VRG
West Virginia WVA
Wisconsin WIS

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 8 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.

  • Bromopsis kalmii (A.Gray) Holub
  • Bromus ciliatus var. purgans (L.) A.Gray
  • Bromus imperialis Steud.
  • Bromus malacanthus Trin. ex Griseb.
  • Bromus purgans L.
  • Bromus steudelii Frank ex Steud.
  • Forasaccus purgans (L.) Lunell
  • Zerna purgans (L.) Henrard

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. Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
  4. 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.