Dicranum scoparium Hedw.
-
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.
-
Family
Dicranaceae
-
Scientific Name
-
Description
Species Description - Plants up to 7 cm high, green to yellowish-green, radiculose nearly to the apex. Leaves 4-10 x 0.8-1.5 mm, falcate secund, sometimes nearly straight, little changed or somewhat flexuose whem dry, concave below, keeled above, lanceolateto ovate-lanceolate, gradually acuminate, unistratose except for bistratose alar regions; margins strongly serrate above; costa subpercurrent to short-excurrent, with (2-)4 serrated dorsal ridges above, in section showing 1 row of guide cells and 2 stereid bands, the dorsal and ventral epidermal cells not differentiated; cells elongate and pitted throughout. Pseudautoicous. Seta 1 or rarely 2 per perichaetium, 2-3.5 cm long, yellowish- or reddish-brown; capsules 3-4 mm long, curved, inclined to horizontal, smooth, striate or wrinkled when dry; annulus none; operculum 3-3.5 mm long. Spores 16-24 µm.
-
Discussion
Fig. 121
D. scoparium Hedw., Sp. Muse 126.1801.
D. mexicanum Schimp. ex. Besch., Mem. Soc. Sci. Nat. Cherbourg 16: 164. 1872.
On species, common in most of North America, is apparently rare in Mexico, where it is replaced by D. sumichrastii.
-
Distribution
On soil, humus, or rotten logs and stumps; Oaxaca and Veracruz.—Mexico; United States and Canada; Central and South America; Europe, Asia, Africa, Australia, and New Zealand.
Europe| Asia| Africa| Australia Oceania| New Zealand South America| Central America| United States of America North America| Canada North America| Mexico North America|