Austinia tenuinervis Müll.Hal.
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Authority
Sharp, Aaron J., et al. 1994. The Moss Flora of Mexico. Part Two: Orthotrichales to Polytrichales. Mem. New York Bot. Gard. 69 (2)
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Family
Myriniaceae
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Scientific Name
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Description
Species Description - Leaves 0.28-0.4 mm long, 0.12-0.19 mm wide, ovate-lanceolate, short- to long-acuminate on the same shoot; costa 1 cell thick above, 2 cells thick below; upper cells 12.5-25 µm long, 2-4:1, usually smooth, very rarely with an occasional cell papillose at the upper end; alar cells quadrate to subquadrate (mostly longer than wide), ca. 7.5 µm wide, the decurrent cells in 1-2 rows, 15-25 µm long, 5-7.5 µm wide. Perichaetial leaves 0.45-0.7 mm long, 0.14-0.2 mm wide, commonly with elongate median cells. Setae 3-5 mm long; capsules 0.75-0.85 mm long; operculum long-rostrate, 0.5-0.6 mm long; endostome segments 140-175 µm long, appearing smooth. Spores 20-25 µm.
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Discussion
Fig. 649
A. tenuinervis (Mitt.) C. Müll., Linnaea 39: 439.1875.
Hypnum tenuinerve Mitt., J. Linn. Soc, Bot. 12: 549. 1869.
Clasmatodon trichelyma Sull. ex C. Müll., Linnaea 39: 439. 1875, nom. nud. in syn.
When sterile, Austinia tenuinervis might be misidentified as Helicodontium capillare or Nematocladia tesserata, but the short costa separates it from either of those species. T he fragile stems of N . tesserata are also useful in separation.
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Distribution
On tree trunks; Oaxaca, Tabasco, Veracruz.—Mexico; Cuba; Brazil and Peru; Borneo and the Philippines (as var. micholitzii).
Philippines Asia| Indonesia Asia| Peru South America| Brazil South America| Cuba South America| Mexico North America|