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Published In: Species Muscorum Frondosorum 155. pl. 39: f. 1–5. 1801. (Sp. Musc. Frond.) Name publication detail
 

Project Name Data (Last Modified On 3/24/2011)
Acceptance : Accepted
Project data     (Last Modified On 3/24/2011)
Discussion: This widespread Northern Hemisphere species is recognized by its evenly serrulate leaf margins, stout costa ending in the cuspidate leaf apex, conspicuously mammillose laminal cells (most evident on the vaginant laminae), and sporophytes originating from short basal branches. It can be confused with Fissidens bourgaeanus, which is a much larger plant and has 3–5 rows of thick-wall, marginal leaf cells that are usually noticeably darker than the inner laminal cells.
Illustrations: Bartram (1949, Fig. 6 E–G); Crum and Anderson (1981, Fig. 33); Iwatsuki and Suzuki (1982, Figs. 6 7, 8 9–10, Pl. 42).
Habitat: On soil or tree bark at high elevations.
Distribution in Central America: GUATEMALA. Alta Verapaz: Richards et al. 2837 (PAC); Baja Verapaz: Sharp 2860 (FH). HONDURAS. Lempira: Allen 11936 (MO, TEFH).
World Range: Subarctic America, Eastern Canada, North-Central, Northeastern, Southwestern, South-Central, and Southeastern U.S.A.; Mexico; Central America; Brazil, Southern South America; Northern, Southwestern, Middle, East, and Southeastern Europe; Western Asia, Caucasus, Siberia, Soviet Far East, China, Eastern Asia; Indian Subcontinent, Malesia; Macaronesia, Northern Africa, Western Indian Ocean; New Zealand; North Central Pacific.

 

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Fissidens taxifolius Hedw., Sp. Musc. Frond. 155. 1801. Type. Europe.

Plants to 11 mm × ca. 3.5 mm. Leaves ca. 2.7 mm × ca. 0.6 mm; apex obtuse to broadly acute, cuspidate; margins more or less evenly serrulate, elimbate; vaginant laminae unequal, acute, ca. 2/3 the leaf length; costa extending into the cuspidate tip; cells 8–11 µm, larger along the costa, bulging above, conspicuously mammillose on vaginant laminae, irregularly hexagonal. Sporophytes basal on short axillary branches.

 

 

 
 
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