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!Dicranum rhabdocarpum Sull. Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenSearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Memoirs of the American Academy of Arts and Science, new series 4(1): 172, pl. 3. 1849[1850]. (Mem. Amer. Acad. Arts, n.s.) 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. rhabdocarpum Sull., Mem. Amer. Acad. II, 4: 172. 1849.
D. scoparioides Schimp. ex Besch., Mem. Soc. Sci. Nat. Cherbourg 6: 164. 1872.
Orthodicranum rhabdocarpum (Sull.) Holz., Bryologist 28: 22. 1925.
Distribution: On soil, soil over rock, or rotten wood at moderate to high altitudes, up to about 3300 m; Chihuahua, Oaxaca, Tamaulipas, and Veracruz. - Mexico and Guatemala; Dominican Republic; western United States (Wyoming, Colorado, Arizona, and New Mexico).
Discussion: The short, straight, ovate-lanceolate leaves, weakly serrate margins and costa, and straight, erect capsules help to distinguish this species.
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Plants up to 6 cm high, green to yellowish-green, radiculose nearly to the apex. Leaves 3-5.5 x 0.5-1 mm, straight to somewhat flexuose, erect-spreading, scarcely changed when dry, broadly acute, concave or tubulose below, tubulose to slightly keeled above, ovate-lanceolate, unistratose; margins weakly serrate only near the apex; costa subpercurrent, the upper part with 2 weakly serrated dorsal ridges, in section showing 1 row of guide cells and 2 weak stereid bands, the dorsal epidermal layer sometimes with a few differentiated cells; cells elongate and pitted throughout. Dioicous (male plants about the size of the female). Setae solitary, 1.5-2 cm long, yellow to reddish-brown; capsules 2.5-3.5 mm long, straight, erect, furrowed when dry; annulus none; operculum 1.5-2.5 mm long. Spores 14-19 µm.

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