Edit History
Carex micropoda C. A. Meyer [family CYPERACEAE]
Date Updated: 23 July 2012
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 23,
Names
Carex micropoda C. A. Meyer [family CYPERACEAE], Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans, 1: 210, plate 6. 1831
Carex crandallii Gandoger [family CYPERACEAE]
Carex jacobi-peteri Hultén [family CYPERACEAE]
Carex pyrenaica Wahlenberg subsp. micropoda (C. A. Meyer) Hultén [family CYPERACEAE]
Carex pyrenaica var. mondsii Kelso [family CYPERACEAE]
Treatment Author(s)
Peter W. Ball
A. A. Reznicek
Information
Plants densely cespitose, tuft-forming; rhizomes inconspiuous. Culms 5–30(–40) cm. Leaves involute, 0.25–1.5(–2) mm wide. Pistillate scales light to dark brown, ovate, shorter than to as long as perigynia, apex obtuse to acute, apex and distal margins frequently hyaline, scarious. Perigynia ascending to spreading even reflexed at maturity, light green becoming straw colored, 3–4(–5) (including stipe) × 1–1.3 mm; beak dark brown, much shorter than body of perigynium. Stigmas 2(–3). 2n = 62 (Chukotka).
Phenology Fruiting
jul
summer
aug
Altitude range
10–4000 m;
Distribution
Eurasia (Japan).Eurasia (Russia).USA AlaskaUSA Calif.USA Colo.USA IdahoUSA Mont.USA Nev.USA Oreg.USA UtahUSA Wash.USA Wyo.Canada Alta.Canada B.C. Yukon
Discussion
There is as much variation within the Rocky Mountain Carex crandallii as between C. crandallii and C. micropoda of Alaska and British Columbia. J. A. Calder and R. L. Taylor (1968) reported a weak distinction between a predominately distigmatic coastal race (“micropoda”) and a tristigmatic one (“pyrenaica”) from the interior. T. V. Egorova (1999) illustrated the shapes of perigynia for C. pyrenaica and C. micropoda, and the differences are consistent with what others have noted. Nevertheless, until a more reliable set of characters is found to distinguish these two taxa, all of the North American plants shall be treated as C. micropoda. W. A. Weber and R. C. Wittmann (1992) maintain the North American plants distinct from the European C. pyrenaica at the rank of species, a view that is accepted here. A thorough, worldwide review of relationships among taxa is warranted.
Date Updated: 23 July 2012
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 23,
Names
Carex micropoda C. A. Meyer [family CYPERACEAE], Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans, 1: 210, plate 6. 1831
Carex crandallii Gandoger [family CYPERACEAE]
Carex jacobi-peteri Hultén [family CYPERACEAE]
Carex pyrenaica Wahlenberg subsp. micropoda (C. A. Meyer) Hultén [family CYPERACEAE]
Carex pyrenaica var. mondsii Kelso [family CYPERACEAE]
Treatment Author(s)
Peter W. Ball
A. A. Reznicek
Information
Plants densely cespitose, tuft-forming; rhizomes inconspiuous. Culms 5–30(–40) cm. Leaves involute, 0.25–1.5(–2) mm wide. Pistillate scales light to dark brown, ovate, shorter than to as long as perigynia, apex obtuse to acute, apex and distal margins frequently hyaline, scarious. Perigynia ascending to spreading even reflexed at maturity, light green becoming straw colored, 3–4(–5) (including stipe) × 1–1.3 mm; beak dark brown, much shorter than body of perigynium. Stigmas 2(–3). 2n = 62 (Chukotka).
Phenology Fruiting
jul
summer
aug
Altitude range
10–4000 m;
Distribution
Eurasia (Japan).Eurasia (Russia).USA AlaskaUSA Calif.USA Colo.USA IdahoUSA Mont.USA Nev.USA Oreg.USA UtahUSA Wash.USA Wyo.Canada Alta.Canada B.C. Yukon
Discussion
There is as much variation within the Rocky Mountain Carex crandallii as between C. crandallii and C. micropoda of Alaska and British Columbia. J. A. Calder and R. L. Taylor (1968) reported a weak distinction between a predominately distigmatic coastal race (“micropoda”) and a tristigmatic one (“pyrenaica”) from the interior. T. V. Egorova (1999) illustrated the shapes of perigynia for C. pyrenaica and C. micropoda, and the differences are consistent with what others have noted. Nevertheless, until a more reliable set of characters is found to distinguish these two taxa, all of the North American plants shall be treated as C. micropoda. W. A. Weber and R. C. Wittmann (1992) maintain the North American plants distinct from the European C. pyrenaica at the rank of species, a view that is accepted here. A thorough, worldwide review of relationships among taxa is warranted.
Date Updated: 23 July 2012
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 23,
Names
Carex micropoda C. A. Meyer [family CYPERACEAE], Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans, 1: 210, plate 6. 1831
Carex crandallii Gandoger [family CYPERACEAE]
Carex jacobi-peteri Hultén [family CYPERACEAE]
Carex pyrenaica Wahlenberg subsp. micropoda (C. A. Meyer) Hultén [family CYPERACEAE]
Carex pyrenaica var. mondsii Kelso [family CYPERACEAE]
Treatment Author(s)
Peter W. Ball
A. A. Reznicek
Information
Plants densely cespitose, tuft-forming; rhizomes inconspiuous. Culms 5–30(–40) cm. Leaves involute, 0.25–1.5(–2) mm wide. Pistillate scales light to dark brown, ovate, shorter than to as long as perigynia, apex obtuse to acute, apex and distal margins frequently hyaline, scarious. Perigynia ascending to spreading even reflexed at maturity, light green becoming straw colored, 3–4(–5) (including stipe) × 1–1.3 mm; beak dark brown, much shorter than body of perigynium. Stigmas 2(–3). 2n = 62 (Chukotka).
Phenology Fruiting
jul
summer
aug
Altitude range
10–4000 m;
Distribution
Eurasia (Japan).Eurasia (Russia).USA AlaskaUSA Calif.USA Colo.USA IdahoUSA Mont.USA Nev.USA Oreg.USA UtahUSA Wash.USA Wyo.Canada Alta.Canada B.C. Yukon
Discussion
There is as much variation within the Rocky Mountain Carex crandallii as between C. crandallii and C. micropoda of Alaska and British Columbia. J. A. Calder and R. L. Taylor (1968) reported a weak distinction between a predominately distigmatic coastal race (“micropoda”) and a tristigmatic one (“pyrenaica”) from the interior. T. V. Egorova (1999) illustrated the shapes of perigynia for C. pyrenaica and C. micropoda, and the differences are consistent with what others have noted. Nevertheless, until a more reliable set of characters is found to distinguish these two taxa, all of the North American plants shall be treated as C. micropoda. W. A. Weber and R. C. Wittmann (1992) maintain the North American plants distinct from the European C. pyrenaica at the rank of species, a view that is accepted here. A thorough, worldwide review of relationships among taxa is warranted.
![Carex micropoda C. A. Meyer [family CYPERACEAE]](/fsi/img/misc/plants/static_thumbs/flora_north_america_icon96.jpg)
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