Fissidens bourgaeanus Besch.

  • 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

    Fissidentaceae

  • Scientific Name

    Fissidens bourgaeanus Besch.

  • Description

    Species Description - Plants decumbent and branching, large, up to 5 cm or more high. Leaves undulate, imbricate, up to 4.5 mm long, lanceolate to narrowly oblong, acute; margins without a border of differentiated cells (though thickened at the margins), ± entire to irregularly dentate at the apex, ± entire to irregularly serrulate or sharply and evenly serrate on the vaginant laminae; costa strong, ± percurrent; dorsal lamina mostly truncaterounded below; vaginant laminae ± unequal, ±1/2 the leaf length; cells essentially unistratose, infrequently .and irregularly bistratose, smooth, rounded to irregularly hexagonal, 10-15 µm, with 3-5 rows thicker in a ± darker marginal band. Archegonial branches short, axillary. Sporophytes unknown.

  • Discussion

    Fig. 27

    F. bourgaeanusBesch., Mem. Soc. Sci. Nat. Cherbourg 16:170.1872.

    F. austro-adiantoidesC. Mull., Bull. Herb. Boissier 5: 547. 1897.

    F. incrassatolimbatus Card., Rev. Bryol. 27: 119. 1910.

    Fissidens bourgaeanus is comparatively large and coarse, with leaves bordered by a dark band of thicker cells. The species m ay be most closely related to F. pacificus Angstr. of Hawaii.

  • Distribution

    Moist, shaded soil and limestone at elevations of ca. 1100 m; Puebla, San Luis Potosi, Veracruz.—Mexico; Guatemala and Honduras; Jamaica.

    Mexico North America| Guatemala Central America| Honduras Central America| Jamaica South America|