Hennediella heimii var. arctica
Bull. Buffalo Soc. Nat. Sci. 32: 248. 1993,.
Basionym: Pottia heimii var. arctica Lindberg
Synonyms: Desmatodon heimii var. arcticus (Lindberg) H. A. Crum Gymnostomum obtusifolium unknown Pottia heimii var. obtusifolia (R. Br. bis) I. Hagen
Treatment appears in FNA Volume 27. Treatment on page 636.
Revision as of 16:58, 18 September 2019 by FNA>Volume Importer
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.