Fissidens intermedius Müll.Hal.
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Authority
Sharp, Aaron J., et al. 1994. The Moss Flora of Mexico. Part One: Sphagnales to Bryales. Mem. New York Bot. Gard. 69 (1): 1-452.
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Family
Fissidentaceae
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Scientific Name
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Description
Species Description - Plants dull-green, erect to decumbent, small, up to about 2.5 mm long, usually unbranched. Leaves in 5 or more pairs, overlapping, oblong-lanceolate, the largest about 1 mm long, acute; margins serrulate-crenulate, bordered and somewhat toothed on the vaginant laminae, the border unistratose and in most leaves extending the length of the vaginant laminae or nearly so; costa percurrent or ending 2-3 cells below the leaf apex; dorsal lamina narrowing toward the insertion, not decurrent; vaginant laminae ± equal, about 1/2 the leaf length; cells unistratose, ± uniform throughout, quadrate to hexagonal, 5-7 µm long, unipapillose. Rhizautoicous(?). Perigonia terminal on short basal stems. Sporophytes terminal, 1 per perichaetium; setae 2-3.5 mm long; capsules 0.3-0.6 mm long, erect and symmetric; opercula long rostrate, almost as long as the capsule; peristome teeth divided to below the middle, finely papillose below, spirally thickened above. Spores smooth (11-)13-17(-23) µm. Calyptrae cucullate, smooth.
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Discussion
Fig. 49
F. intermedius C. Mull., Linnaea 21: 181. 1848.
In the Mexican flora, F. intermedius is most closely related to F. sharpii but has narrower vaginant laminae. In F. sharpii the vaginant laminae are quite broad and nearly encircle the stem.
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Distribution
On soil at low elevations (50 m); Veracmz.—Mexico; Central America and northern South America; West Indies; Hawaii.
Mexico North America| Central America| Brazil South America| Bolivia South America| Peru South America| Ecuador South America| Colombia South America| Venezuela South America| Guyana South America| Suriname South America| French Guiana South America| West Indies| Hawaii United States of America North America|