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Published In: Species Muscorum Frondosorum 126. 1801. (Sp. Musc. Frond.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 10/18/2013)
Acceptance : Accepted
Project data     (Last Modified On 10/18/2013)
Nomenclature: D. scoparium Hedw., Sp. Musc. 126. 1801.
D. mexicanum Schimp. ex Besch., Mem. Soc. Sci. Nat. Cherbourg 16:     164. 1872.
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.
Discussion: This species, common in most of North America, is apparently rare in Mexico, where it is replaced by D. sumichrastii.
Reference Source:

 

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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 when dry, concave below, keeled above, lanceolate to ovate-lanceolate, gradually acuminate, unistratose except for the bistratose alar region; 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.
 

 

 
 
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