Viola uliginosaBesser

WFO wfo-0000424711 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Viola uliginosa, photographed by Игорь Васильев
fig. a Игорь Васильев, CC BY 4.0 / 2022-05-20 / obs. 199297485
Viola uliginosa, photographed by Игорь Васильев
fig. b Игорь Васильев, CC BY 4.0 / obs. 199297476
Viola uliginosa, photographed by Игорь Васильев
fig. c Игорь Васильев, CC BY 4.0 / obs. 198038688
Viola uliginosa, photographed by Игорь Васильев
fig. d Игорь Васильев, CC BY 4.0 / obs. 197450740
Viola uliginosa, photographed by Игорь Васильев
fig. e Игорь Васильев, CC BY 4.0 / obs. 196213800
Viola uliginosa, photographed by art_leostrin
fig. f art_leostrin, CC0 1.0 / obs. 171417889
Viola uliginosa, photographed by Игорь Васильев
fig. g Игорь Васильев, CC BY 4.0 / obs. 176269194
Viola uliginosa, photographed by Игорь Васильев
fig. h Игорь Васильев, CC BY 4.0 / obs. 175632288

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 13 botanical countries

Regions where Viola uliginosa is native: Baltic States, Belarus, Central European Russia, Czechia-Slovakia, Denmark, Finland, Germany, North European Russia, Northwest European Russia, NW. Balkan Pen., Poland, Sweden, Ukraine Baltic StatesBelarusCentral European RussiaCzechia-SlovakiaDenmarkFinlandGermanyNorth European RussiaNorthwest European RussiaNW. Balkan Pen.PolandSwedenUkraine
Native distribution of Viola uliginosa, 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
Baltic States BLT EUROPE
Belarus BLR
Central European Russia RUC
Czechia-Slovakia CZE
Denmark DEN
Finland FIN
Germany GER
North European Russia RUN
Northwest European Russia RUW
NW. Balkan Pen. YUG
Poland POL
Sweden SWE
Ukraine UKR

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 92 in flower of 114 examined

Peak flowering in May. Each bar is the share of Viola uliginosa 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. 92 of 114 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 8 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 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.

  • Viola hybrida Wulfen ex Roem. & Schult.
  • Viola nitens Host ex Rchb.
  • Viola riparia Hartm.f.
  • Viola scaturiginosa Wallr.

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.