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FNA | Family List | FNA Vol. 28 | Cryphaeaceae | Schoenobryum

1. Schoenobryum concavifolium (Griffith) Gangulee, Mosses E. India. 5: 1209. 1976.

Orthotrichum concavifolium Griffith, Calcutta J. Nat. Hist. 2: 484. 1842 (as Osthortichum)

Leaves 1 mm; apex broadly acute to short-acuminate; costa sometimes laterally spurred, tip rarely 2-fid. Perichaetia with inner leaves 2-2.3 mm, awns distinct, 1/5 length expanded portion of leaf. Spores granular.

Capsules mature Apr. Twigs, branches, trunks of trees, humid forests; low elevations (0 m); Fla.; Mexico; West Indies; Central America; South America; Asia.

Schoenobryum concavifolium is rare in the flora area, where it is known only from Collier County in southern Florida; its presence there was undetected until recently (W. R. Buck 1994c). The plants are firm when dry and often have a shrublike aspect due to the erect, clustered branches. Terminal perichaetia give the branch apices a clublike appearance. The species is quite similar to Cryphaea filiformis but differs in its terminal perichaetia, single peristome, and the awns of perichaetial leaves that are only one-fifth the expanded portion of the leaf length. The two species have been collected growing together. In C. filiformis, also a rare moss of southern Florida, the perichaetia are lateral, the peristome is double, and the awns of the perichaetial leaves are one-half the expanded portion of the leaf length.


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