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Published In: Bericht über die Thätigkeit der St. Gallischen Naturwissenschaftlichen Gesellschaft 1870–71: 441 (Gen. Sp. Musc. 1: 145). 1872. (Ber. Thätigk. St. Gallischen Naturwiss. Ges.) Name publication detail
 

Project Name Data (Last Modified On 4/12/2011)
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Discussion:

More commonly known in the Caribbean as Campylopus praealtus, this robust moss has porose leaf cells, a broad costa (to 4/5 the leaf width), elongate upper leaf cells, and a distinct hyaline basal leaf limbidium. Campylopus jamesonii differs in its quadrate eaf cells, lack of porose leaf cells, and elimbate condition; C. standleyi lacks a leaf limbidium, has only the basal cells near the costa porose, and oval upper leaf cells. Campylopus paramoensis, another species with elongate upper leaf cells, is a smaller plant that has hyaline tipped leaves, and lacks a hyaline basal leaf limbidium.
Illustrations: Florschütz (1964, Fig. 19 A–I, as C. praealtus); Frahm and Gradstein (1987, Pl. 1 b); Frahm (1991a, Fig. 123).
Habitat: Terrestrial over rock; 884 m.
Distribution in Central America: BELIZE. Stann Creek: Stevenson 3 (F, FH).
World Range: Central America; Caribbean, Northern South America, Brazil.

 

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Campylopus subcuspidatus (Hampe) Jaeg., Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1870–71: 441. 1872. Dicranum subcuspidatum Hampe, Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn ser. 3, 2: 273. 1870. Type. Brazil, Rio de Janerio, Glaziou.

Campylopus praealtus (C. Müll.) Par., Index Bryol. Suppl. 96. 1900. Dicranum praealtum C. Müll., Hedwigia 37: 227. 1898. Type. Puerto Rico, Sierra de Luquillo, Sintenis (FH, NY).

 

Plants robust in dense, yellowish green mats; stems densely tomentose, to 14 cm long. Leaves erect-patent to spreading-lanceolate, concave when wet, flattened when dry, narrowly acuminate, 8–15 mm long, denticulate at the apex, entire below; costa shortly excurrent, concolorous or at times hyaline at the extreme apex, to 4/5 the leaf width at base, smooth to lightly mammillose at back, in cross section guide cells well-developed, large ventral hyalocysts present, dorsal stereids well-developed; upper cells elongate-rhomboidal to linear, incrassate, not porose; median cells linear, incrassate, usually porose, those near the margins shorter; basal cells elongate, linear, incrassate and porose throughout, those at the basal margins narrower and elongate, not porose, forming a distinct hyaline border; alar cells well developed, red-brown, extending to the costa and frequently in excavate groups. Setae 15–20 mm long; capsules curved, furrowed when dry; opercula conic-rostrate, 1.0 mm long. Calyptrae entire at base.

 

 

 
 
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