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Published In: Species Muscorum Frondosorum 156. 1801. (Sp. Musc. Frond.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 3/22/2011)
Acceptance : Accepted
Project data     (Last Modified On 3/23/2011)

Fissidens asplenioides is the largest moss in Central America belonging to section Amblyothallia C. Müll. (which is recognized by its three stereid bands in the lower half of the costa and convexly thickened upper laminal cells). Plants often approach 5 cm in length with leaves that are nearly 4 mm long. Upon drying, the lanceolate to lingulate leaves commonly curl tightly inward from the tips. Often re-moistened material will not lie flat when preparations for examination are made. This species is the only Central American representative of the section with a rounded minor lamina that is more or less free at its distal end. The minor lamina may be to ¾ the leaf length. In addition, the marginal cells of the vaginant laminae are narrow, somewhat elongate and with the long axis obliquely to vertically oriented.

Illustrations: Hedwig (1801, Pl. 28); Grout (1943, Pl. 8 112–120); Bartram (1949, Fig. 8 F–H); Crum and Anderson (1965, Figs. 1, 3, 5–6, 9–10, 13–14, 16); Crum and Anderson (1981, Fig. 32 D–H).
Habitat: Usually found on soil; 1200 m or above.
Distribution in Central America: GUATEMALA. Baja Verapaz: Sharp 2651 (FH); Chimaltenango: Richards et al. 2885 (PAC); Chiquimula: Steyermark 30922 (NY); El Progreso: Sharp 2717a (FH); Quetzaltenango: Sharp 2284 (FH, PAC, TENN); Quiché: Richards 2937 (PAC); Sacatepéquez: Standley 58957 (FH); San Marcos: Steyermark 36488 (FH); Sololá: Richards et al. 3044 (MO, NY, PAC); Zacapa: Steyermark 43204 (MO). EL SALVADOR. Ahuachapán: Standley & Padilla 2589 (FH). HONDURAS. Comayagua: Allen 11798 (MO, TEFH); Cortés: Allen 14131 (MO); Lempira: Allen 11153 (MO, TEFH); Morazán: Allen 12374 (MO, TEFH); Olancho: Allen 12531 (MO, TEFH). COSTA RICA. Alajuela: Crosby 3612 (MO); Cartago: Crosby 10884 (MO, PAC); Heredia: Crosby 6580 (MO, PAC); Puntarenas: Crosby 2534 (MO); San José: Crosby 6210 (MO, PAC). PANAMA. Bocas del Toro: Allen 5045 (MO, PAC); Coclé: Salazar et al. 953 (PAC, PMA); Chiriquí: Allen 9174 (MO, PAC); Panamá: Salazar & Béliz 943 (PAC, PMA).
World Range: Southeastern U.S.A.; Mexico; Central America; Caribbean, Western, Northern, and Southern South America, Brazil; Macaronesia, West Tropical, West-Central Tropical, East Tropical and Southern Africa, Western Indian Ocean; Indian Subcontinent, Indo-China, Malesia; Australia, New Zealand.


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Fissidens asplenioides Hedw., Sp. Musc. Frond. 156. 1801. Type. Jamaica (G, see Pursell 1986).

      Fissidens barbe-montis C. Müll. in Ren. & Card., Bull. Soc. Roy. Bot. Belgique 31(1): 152. 1892. Type. Costa Rica, Pittier 5522 (NY).

     Plants to 5 cm × ca. 4 mm. Leaves 2.0–2.5 mm × 0.3–0.4 mm; apex rounded-obtuse and apiculate; margins crenulate; vaginant laminae more or less ¾ the leaf length, unequal; minor laminae mostly rounded and more or less free distally; costa ending several cells below the apex; cells 8–10 µm long, smooth, convexly thickened. Sporophytes terminal.



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