Flora of North America species comparison

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Warnstorfia pseudostraminea

warnstorfia moss
Habit Plants green, yellow-green, or brownish.
Stem(s)

leaves narrowly ovate-triangular or ovate, almost straight, slightly falcate, or rarely strongly falcate, concave;

margins ± entire or finely denticulate;

apex obtuse, acuminate, or blunt, incurved;

costa ending 2/3–4/5 leaf length;

alar region isodiametric or sometimes transversely triangular, supra-alar cells large, forming oval or rectangular region with alar cells along basal margin.

Warnstorfia pseudostraminea
Habitat Mineral-poor and acid habitats (disturbed), slightly sloping poor fens, ditches, periodically water-filled depressions
Elevation low to high elevations (0-2200 m) (low to high elevations (0-7200 ft))
Distribution
from FNA
AK; CA; MN; WA; WY; BC; NL; ON; Greenland; s South America; Europe; Pacific Islands (New Zealand); Subantarctic Islands
Discussion

Warnstorfia pseudostraminea is usually readily recognizable in the field, where the species gives an impression of an intermediate between W. fluitans and Straminergon stramineum. The species, which is never red, could be confused with 1. W. fluitans or green plants of Sarmentypnum exannulatum, and the distinguishing characters of these species are given in their respective discussions. The genus Calliergidium, in which W. pseudostraminea has been placed, is discussed under Drepanocladus (Amblystegiaceae).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 28, p. 397.
Parent taxa Calliergonaceae > Warnstorfia
Sibling taxa
W. fluitans
Synonyms Hypnum pseudostramineum, Calliergidium pseudostramineum, C. pseudostramineum var. hoveyi, C. pseudostramineum var. plesistramineum, Drepanocladus pseudostramineus
Name authority (Müller Hal.) Tuomikoski & T. J. Koponen: Ann. Bot. Fenn. 16: 223. (1979)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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