Difference between revisions of "Hennediella heimii var. arctica"
Bull. Buffalo Soc. Nat. Sci. 32: 248. 1993,.
Basionym: Pottia heimii var. arctica Lindberg Öfvers. Kongl. Vetensk.-Akad. Förh. 23: 551. 1867
Synonyms: Desmatodon heimii var. arcticus (Lindberg) H. A. Crum Gymnostomum obtusifolium Pottia heimii var. obtusifolia (R. Br. bis) I. Hagen
Treatment appears in FNA Volume 27. Treatment on page 636.
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Revision as of 21:56, 16 December 2019
Leaves broadly ovate to broadly elliptic, concave and often cucullate, apex usually obtuse, margins usually entire; costa often ending before the apex.
Phenology: Capsules mature late summer (Aug).
Habitat: Exposed soil, silt
Elevation: low elevations
Distribution
Greenland, N.W.T., Nunavut, Ont., Alaska, Europe, n Asia.
Discussion
Variety arctica is a somewhat poorly circumscribed taxon largely restricted to the Arctic. It is generally much smaller than var. heimii, with leaves commonly 0.5–0.8 mm.
Selected References
None.
Lower Taxa
None.