Brachythecium fendleri (Sull.) A.Jaeger

  • Authority

    Sharp, Aaron J., et al. 1994. The Moss Flora of Mexico. Part Two: Orthotrichales to Polytrichales. Mem. New York Bot. Gard. 69 (2)

  • Family

    Brachytheciaceae

  • Scientific Name

    Brachythecium fendleri (Sull.) A.Jaeger

  • Description

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    Species Description - Plants small and slender, in loose or dense, green to yellow-green mats. Stems short, prostrate, irregularly branched; branches short. Leaves straight, loosely ± imbricate when dry, spreading when moist. Stem leaves slightly concave and plicate at base, 0.9-1.4 x 0.2-0.5 mm, lanceolate to ovate-lanceolate, acuminate; margins slightly reflexed at base, serrate nearly throughout; costa ending at or above the midleaf, occasionally as a dorsal spine; upper cells linear to vermicular, 40-90 x 2-6 µm; basal cells oblong, 15-37 x 4-10 µm; alar cells quadrate, 5-20 x 5-12 µm, in definite groups. Branch leaves 0.6-1.2 x 0.2-0.5 µm, lance-acuminate, the acumina frequently twisted and involute-furrowed. Synoicous. Perichaetial bracts sheathing at base, abmptly acuminate, up to 1.8 mm long. Setae 10-14 mm long, red, smooth to very weakly papillose; capsules erect and straight or nearly so, ovoid, 1.1 -1.8 x 0.5-0.8 mm; annulus of 1 layer of inflated cells; operculum apiculate, up to 0.6 mm long; cilia of endostome 1-2, mdimentary or rarely complete, nodose, and subappendiculate. Spores 9-16 µm, papillose.

  • Discussion

    Fig. 688

    B. fendleri (Sull.) Jaeg., Ber. Thatigk. St. Gallischen Naturwiss. Ges. 1876-77: 327. 1878.

    Leskea fendleri Sull., Mem. Amer. Acad. 4: 169. 1849.

    Hypnum fendleri (Sull.) Sull. & Lesq., Musci Bor.-Amer. ed. 1, 334. 1856.

  • Distribution

    On soil, rock, or soil over rock, in mountains up to 2900 m alt.; Chihuahua, and Durango.—Northwestern Mexico; southwestern United States; Wyoming.

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