Rhexophyllum subnigrum (Mitt.) Hilp.

  • Authority

    Sharp, Aaron J., et al. 1994. The Moss Flora of Mexico. Part One: Sphagnales to Bryales. Mem. New York Bot. Gard. 69 (1): 1-452.

  • Family

    Pottiaceae

  • Scientific Name

    Rhexophyllum subnigrum (Mitt.) Hilp.

  • Description

    Species Description - Plants 2-4 cm high. Leaves 1.7-3 mm long; cells 8-13 µm wide. Setae about 12 mm long; capsules 2.5-3 mm long; operculum about 1 mm long; exothecial cells 20-35 µm wide, 1-3:1.

  • Discussion

    Fig. 193

    R. subnigrum (Mitt.) Ther. ex Hilp., Beih. Bot. Centralbl. 50(2): 684. 1933.

    Tortula subnigra Mitt., J. Linn. Soc, Bot. 12:164.1869.

    Barbula subnigra (Mitt.) Jaeg., Ber. Thatigk. St. Gallischen Naturwiss. Ges. 1871-72:435. 1873.

    Didymodon subniger (Mitt.) Par., Index Bryol. ed. 2, 2: 76.1904.

    Rhexophyllum laciniatum Herz., Biblioth. Bot. 87: 38. 1916.

    Neocardotia subnigra (Mitt.) Ther. & Bartr. ex Ther., Smithsonian Misc. Collect. 85(4): 12.1931.

  • Distribution

    On soil, lava, and boulders at elevations of 1980-3050 m; Chihuahua Distrito Federal, Durango, Hidalgo, Mexico, Michoacan, Morelos, Puebla, Tlaxcala, Veracruz, Zacatecas.—Mexico; Arizona and New Mexico; Bolivia.

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