familyPottiaceae
subfamilyPottiaceae subfam. Trichostomoideae
genusTrichostomum
speciesTrichostomum tenuirostre
Trichostomum tenuirostre
Öfvers. Kongl. Vetensk.-Akad. Förh. 21: 225. 1864,.
Basionym: Weissia tenuirostris Hooker & Taylor Muscol. Brit. ed. 2, 83. 1827
Synonyms: Oxystegus tenuirostris (Hooker & Taylor) A. Smith
Treatment appears in FNA Volume 27. Treatment on page 490. Mentioned on page 489, 491, 492, 496, 505, 511, 516, 552, 553, 556.
Stem rounded-pentagonal in section. Leaves flattened, lanceolate, distal margins plane, entire or weakly toothed, not bordered; apex acute, plane or keeled; basal cells differentiated across leaf base as a U or V, commonly running up margins, not distinctly enlarged submarginally; distal laminal cells pluripapillose with low papillae; mucro conic, of 3–6 cells. Sexual condition dioicous. Peristome teeth bluntly lanceolate.
Distribution
Widely distributed in temperate and high-elevation tropical areas of the world, ranging into the Arctic.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Gemmae absent. | Trichostomum tenuirostre var. tenuirostre |
| 1 | Multicellular gemmae on rhizoids from adaxial surface of the costa or in soil | Trichostomum tenuirostre var. gemmiparum |
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