Fissidens allenianus Brugg.-Nann. & Pursell

  • 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 allenianus Brugg.-Nann. & Pursell

  • Description

    Deprecated: mb_convert_encoding(): Handling HTML entities via mbstring is deprecated; use htmlspecialchars, htmlentities, or mb_encode_numericentity/mb_decode_numericentity instead in /home/emu/nybgweb/www-dev/htdocs/science-dev/wp-content/themes/nybgscience/lib/VHMonographsDetails.php on line 179

    Species Description - Plants up to 7.5 mm long, simple or branched. Leaves usually 1.2-1.7 mm long, mostly oblong-ligulate with abruptly narrowed, rounded-obtuse apices, not caducous; margins ± crenulate, unbordered; costa ending 4-10 cells below the apex; dorsal lamina usually rounded below and ending at or somewhat above the insertion; vaginant laminae ± unequal, about 1/2 - 2/3 the leaf length; cells rounded-hexagonal, 6-9 µm, appearing bulging but actually convex-thickened, somewhat larger in the vaginant laminae and thicker-walled. Autoicous. Setae terminal on stems and branches, up to 4.5 mm long; capsules ± ovoid, up to 1 mm long; opercula long-rostrate; peristome teeth complete, divided to below the middle, with horizontal ridges and horizontally to vertically arranged papillae, spirally thickenedpapillose above. Spores 11-15 um, finely to coarsely papillose. Calyptrae cucullate.

  • Discussion

    Fig. 23

    F. allenianus Brugg.-Nann. & Pursell, Bryologist 93: 332.1990.

    See discussion under F. radicans.

  • Distribution

    On limestone, decaying wood, and tree bark at low elevations; Campeche, Quintana Roo, Yucatan.—Mexico; Guatemala and Belize; West Indies; Florida and the Bahamas.

    Mexico North America| Guatemala Central America| Belize Central America| West Indies| United States of America North America| Bahamas South America|