Pseudoleskeella tectorum |
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pseudoleskeella moss |
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Habit | Plants dark olive green or rarely yellow-green. |
Stem(s) | leaves ± catenulate when dry, not homomallous, ovate, abruptly narrowed to apex, concave, not plicate, 0.4–1.2 mm, 1.5–2:1; base flaring; margins plane or rarely recurved proximally, entire; apex short-acuminate, sometimes falcate; costa usually double, or single, 2-fid, or sometimes ecostate, weak, not reaching mid leaf; medial laminal cells 1–2(–3):1, walls firm, not incrassate. |
Branch leaves | ovate to suborbicular, 0.4–0.8 mm; laminal cell walls moderately incrassate. |
Seta | red-brown, 0.1–0.2 cm. |
Capsule | inclined, subcylindric, asymmetric, 1.5–2.5(–3) mm. |
Spores | 10–18 µm. |
Stoloniferous | leaves broadly ovate or suborbicular. |
Pseudoleskeella tectorum |
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Phenology | Capsules mature summer. |
Habitat | Shaded calcareous rock, shaded tree bases or wood |
Elevation | low to high elevations (0-4000 m) (low to high elevations (0-13100 ft)) |
Distribution |
AK; AZ; CA; CO; ID; KS; MI; MN; MT; ND; NE; NM; NV; OR; SD; UT; WY; AB; BC; NL; NT; NU; ON; QC; SK; Greenland; Eurasia
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Discussion | Pseudoleskeella tectorum is distinguished by the dark green, tightly appressed, catenulate leaves, and weak costa. Thin mats of this species can be become quite extensive over time, covering the faces and overhangs of shaded boulders and cliffs. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 28, p. 365. |
Parent taxa | Leskeaceae > Pseudoleskeella |
Sibling taxa | |
Synonyms | Hypnum tectorum, Pseudoleskea tectorum |
Name authority | (Funck ex Bridel) Kindberg ex Brotherus: in H. G. A. Engler and K. Prantl, Nat. Pflanze n fam. 229[I,3]: 997. (1907) |
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