Rubus pubescensRaf.

dwarf red blackberry

WFO wfo-0001007071 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Rubus pubescens, photographed by Mary Krieger
fig. a Mary Krieger, CC BY 4.0 / 2022-06-10 / obs. 205023644

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 40 botanical countries

Regions where Rubus pubescens is native: Alaska, Alberta, British Columbia, Colorado, Connecticut, Idaho, Illinois, Indiana, Iowa, Labrador, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Montana, Nebraska, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, North Dakota, Northwest Territories, Nova Scotia, Ohio, Ontario, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, South Dakota, Vermont, Washington, West Virginia, Wisconsin, Wyoming, Yukon AlaskaAlbertaBritish ColumbiaColoradoConnecticutIdahoIllinoisIndianaIowaLabradorMaineManitobaMarylandMassachusettsMichiganMinnesotaMontanaNebraskaNew BrunswickNew HampshireNew JerseyNew YorkNewfoundlandNorth DakotaNorthwest TerritoriesNova ScotiaOhioOntarioPennsylvaniaPrince Edward I.QuébecSaskatchewanSouth DakotaVermontWashingtonWest VirginiaWisconsinWyomingYukon Rhode I.
Native distribution of Rubus pubescens, 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
Alaska ASK NORTHERN AMERICA
Alberta ABT
British Columbia BRC
Colorado COL
Connecticut CNT
Idaho IDA
Illinois ILL
Indiana INI
Iowa IOW
Labrador LAB
Maine MAI
Manitoba MAN
Maryland MRY
Massachusetts MAS
Michigan MIC
Minnesota MIN
Montana MNT
Nebraska NEB
New Brunswick NBR
New Hampshire NWH
New Jersey NWJ
New York NWY
Newfoundland NFL
North Dakota NDA
Northwest Territories NWT
Nova Scotia NSC
Ohio OHI
Ontario ONT
Pennsylvania PEN
Prince Edward I. PEI
Québec QUE
Rhode I. RHO
Saskatchewan SAS
South Dakota SDA
Vermont VER
Washington WAS
West Virginia WVA
Wisconsin WIS
Wyoming WYO
Yukon YUK

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.

Flowering 517 in flower of 1,132 examined

Proportion of examined Rubus pubescens in flower, by month
Month In flower Examined Share 95% interval
Jan 0 0 too few examined
Feb 0 0 too few examined
Mar 0 0 too few examined
Apr 0 5 0% 0% to 43%
May 317 386 82% 78% to 86%
Jun 185 381 49% 44% to 54%
Jul 15 267 6% 3% to 9%
Aug 0 46 0% 0% to 8%
Sep 0 29 0% 0% to 12%
Oct 0 17 0% 0% to 18%
Nov 0 1 too few examined
Dec 0 0 too few examined

Peak flowering in May. Each bar is the share of Rubus pubescens observations in which someone actually recorded the reproductive state and found the plant in flower, not the raw number of flowering records. That distinction matters: people observe plants far more in spring than in winter, so a bare count of flowering records partly measures when people go outside. Dividing by the number examined removes that. 517 of 1,132 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 5 months have fewer than 5 examined observations, so no proportion is drawn for them. This is still a global aggregate and not a forecast for your garden: the same species flowers on different dates in different hemispheres. Where a species has fewer than 30 flowering records we do not draw this chart at all. Computed from 10.15468/dl.cgje2x.

Also published as 35 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.

  • Cylactis lyncemontana Raf.
  • Cylactis montana Raf.
  • Cylactis pubescens (Raf.) W.A.Weber
  • Cylastis egopodioides (Ser.) Raf. ex B.D.Jacks.
  • Cylastis montanus (Raf.) Raf.
  • Rubus aegopodioides Ser.
  • Rubus americanus var. roseiflorus Peck
  • Rubus canadensis Torr.
  • Rubus mucronatus Ser.
  • Rubus pubescens f. multiplex Raymond
  • Rubus pubescens f. obovatus G.Braun
  • Rubus pubescens f. roseiflorus (Peck) House
  • Rubus pubescens f. spectabilis Kretzer
  • Rubus pubescens prol. occidentalis Samp.
  • Rubus pubescens subsp. aduncispinus (Sudre) Sudre
  • Rubus pubescens subsp. aduncispinus Cout.
  • Rubus pubescens subsp. amygdalanthus (Focke) Focke
  • Rubus pubescens subsp. corisopitensis Sudre
  • Rubus pubescens subsp. emollitus (Sudre) Sudre
  • Rubus pubescens subsp. pygmadenius Kupcsok
  • Rubus pubescens var. confluentinus (Wirtg.) Sudre
  • Rubus pubescens var. contectus (Boulay) Sudre
  • Rubus pubescens var. falcatispinus Sudre
  • Rubus pubescens var. occidentalis (Samp.) Cout.

and 11 more.

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.