Carex vulpinaL.

True Fox Sedgetrue fox-sedge

WFO wfo-0000352605 Accepted WFO 2026-06 8 photographs CC0 / CC BY / CC BY-SA

Plate 1 figs. a–h · 8 separate observations

Carex vulpina, photographed by evgeniq_benihanov
fig. a evgeniq_benihanov, CC BY 4.0 / 2022-06-12 / obs. 205739255

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.

The specimen a real sheet, in a real collection

Herbarium
The New York Botanical Garden
Accession
03500820
Filed as
Carex vulpina L.
Det. by
R. F. C. Naczi 2018-01-01
Collected
not recorded
Origin
not recorded
The sheet
View the digitised specimen (CC BY 4.0)

A real pressed plant, in a real collection, under the accession number above. Not an illustration of one. The holding institution does not serve this sheet’s image to third parties, so there is no photograph here. The record is real and the link goes to it. Where we hold no openly licensed sheet for a species this section is simply absent, and where a sheet never recorded who determined it, that field stays empty rather than being filled in. Roughly half of all herbarium sheets never recorded a determiner, which is ordinary.

Native range 38 botanical countries

Regions where Carex vulpina is native: Altay, Kazakhstan, North Caucasus, Transcaucasus, Uzbekistan, West Siberia, Xinjiang, Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Central European Russia, Corse, Czechia-Slovakia, Denmark, East European Russia, Finland, France, Germany, Great Britain, Greece, Hungary, Italy, Krym, Netherlands, North European Russia, Northwest European Russia, Norway, NW. Balkan Pen., Poland, Romania, South European Russia, Spain, Sweden, Switzerland, Ukraine AltayKazakhstanNorth CaucasusTranscaucasusUzbekistanWest SiberiaXinjiangAlbaniaAustriaBaltic StatesBelarusBelgiumBulgariaCentral European RussiaCorseCzechia-SlovakiaDenmarkEast European RussiaFinlandFranceGermanyGreeceHungaryItalyKrymNetherlandsNorth European RussiaNorthwest European RussiaNorwayNW. Balkan Pen.PolandRomaniaSouth European RussiaSpainSwedenSwitzerlandUkraine
Native distribution of Carex vulpina, 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
Albania ALB EUROPE
Austria AUT
Baltic States BLT
Belarus BLR
Belgium BGM
Bulgaria BUL
Central European Russia RUC
Corse COR
Czechia-Slovakia CZE
Denmark DEN
East European Russia RUE
Finland FIN
France FRA
Germany GER
Great Britain GRB
Greece GRC
Hungary HUN
Italy ITA
Krym KRY
Netherlands NET
North European Russia RUN
Northwest European Russia RUW
Norway NOR
NW. Balkan Pen. YUG
Poland POL
Romania ROM
South European Russia RUS
Spain SPA
Sweden SWE
Switzerland SWI
Ukraine UKR
Altay ALT ASIA-TEMPERATE
Kazakhstan KAZ
North Caucasus NCS
Transcaucasus TCS
Uzbekistan UZB
West Siberia WSB
Xinjiang CHX

Not drawn on the map: Great Britain. We hold no public-domain boundary for this region, so it is listed rather than guessed at.

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 32 in flower of 64 examined

Proportion of examined Carex vulpina 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 1 1 too few examined
May 23 29 79% 62% to 90%
Jun 8 25 32% 17% to 52%
Jul 0 7 0% 0% to 35%
Aug 0 2 too few examined
Sep 0 0 too few examined
Oct 0 0 too few examined
Nov 0 0 too few examined
Dec 0 0 too few examined

Peak flowering in May. Each bar is the share of Carex vulpina 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. 32 of 64 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 9 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.

Where it actually grows measured, from 1,574 observations

Condition 5th percentile Median 95th percentile
Coldest month, mean daily low -15.7 °C -10.8 °C -3.3 °C
Warmest month, mean daily high 21.9 °C 23.2 °C 25.7 °C
Annual rainfall 514 mm 654 mm 747 mm
Rainfall in the driest quarter 84 mm 105 mm 137 mm

It is found where winters are severely cold. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 1,574 research-grade observations of Carex vulpina that carry a coordinate, and this is the range those places actually span. The 5th and 95th percentiles are used rather than the minimum and maximum, because a single cultivated specimen in a heated conservatory should not widen a tropical plant's range to the Arctic.

This is not a hardiness zone. A USDA zone is the average annual extreme minimum temperature. The figure above is the mean daily minimum of the coldest month, which is a different quantity and is typically far warmer. Reading one as the other would place a plant several zones too warm, so we do not publish a hardiness zone, because we do not have one. Climate from CHELSA V2.1 (Karger et al. 2017); occurrences from 10.15468/dl.cgje2x.

Also published as 31 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.

  • Carex brotherorum Christ
  • Carex compacta Lam.
  • Carex glomerata Gilib. ex Bubani
  • Carex mertensis Weihe ex Kunth
  • Carex muricata Jungh.
  • Carex reflexa F.Dietr.
  • Carex spicata Thuill.
  • Carex vulpina f. aristata Asch.
  • Carex vulpina f. capitulata (Peterm.) Soó
  • Carex vulpina f. elongata Andersson
  • Carex vulpina f. laeviuscula Sanio ex Asch. & Graebn.
  • Carex vulpina f. minor Peterm.
  • Carex vulpina subsp. stribrnyi Velen.
  • Carex vulpina var. acuta Gray
  • Carex vulpina var. aristata Gray
  • Carex vulpina var. compacta (Lam.) Velen.
  • Carex vulpina var. crassinervis (Schur) Kük.
  • Carex vulpina var. decomposita Gray
  • Carex vulpina var. divulsa Čelak.
  • Carex vulpina var. gracilis Gaudin
  • Carex vulpina var. litoralis Nolte ex Asch. & Graebn.
  • Carex vulpina var. longibracteata Beck
  • Carex vulpina var. pallidior Meinsh.
  • Carex vulpina var. remotiflora Lange

and 7 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.