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Published In: Muscologiae Recentiorum Supplementum 1: 170. 1806. (Muscol. Recent. Suppl.) Name publication detail

Project Name Data (Last Modified On 3/23/2011)
Acceptance : Accepted
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Discussion: Fissidens grandifrons is distinguished by its long (to 4 cm) rigid stems and pluristratose leaves (unistratose at the margins). Characteristically the plants are dark brownish green and grow in dense mats in or along streams over limestone or in trickling waterfalls.
Illustrations: Bartram (1949, Fig. 10 C–D); Crum and Anderson (1981, Fig. 45 F–K); Iwatsuki and Suzuki (1982, Fig. 8 11–12, Pls. 53–54).
Habitat: Terrestrial or aquatic on rocks or gravelly soil in or along streams; 2400 m.
Distribution in Central America: GUATEMALA. Huehuetenango: Steyermark 50004 (FH, MO); Quiché: Sharp 5264 (NY); San Marcos: Steyermark 36897 (FH).
World Range: Subarctic America, Western and Eastern Canada, Northwestern, North-Central, Northeastern, Southwestern, and Southeastern U.S.A.; Mexico; Central America; Southwestern and Middle Europe; Western Asia, Caucasus, Soviet Middle Asia, China, and Eastern Asia; Indian Subcontinent; Western Indian Ocean.


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Fissidens grandifrons Brid., Musc. Recent. Suppl. 1: 170. 1806. Type. "Nova Anglia."

Fissidens diversiretis sensu Grout, N. Amer. Fl. 15(3): 199. 1943.

Plants to 10 cm × ca. 4 mm. Leaves ca. 3 mm × ca. 0.55 mm, pluristratose; apex rounded acute to obtuse; margins more or less entire, elimbate; vaginant laminae ½–⅔ the leaf length, more or less equal, acute; costa ending below the apex; cells 7–13 µm, smooth. Sporophytes lateral from upper leaf axils.


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