Chryso-hypnum squarrosulum (Cardot) N.Nishim. & Ando
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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
Hypnaceae
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Scientific Name
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Description
Species Description - Plants yellow to brownish-yellow. Stems up to 2 cm long; branches julaceous, up to 0.5 cm long, horizontally spreading. Stem leaves patent to squarrose, 0.7-1 x 0.5-0.7 mm, ovate to orbicular-ovate, abmptly narrowed to a short, curved acumen, gradually narrowed or slightly cordate at base; upper median cells 20-50 X 2-3 µm; alar cells only slightly differentiated, short-rectangular. Branch leaves 0.6-0.7 x 0.3-0.4 mm. Perichaetial leaves weakly sermlate above, subentire below. Setae 2-2.5 cm long; capsules inchned to pendulous, ± 1.3 mm long, ± 0.8 mm broad, ovoid; exothecial cells short-rectangular; operculum conic-obtuse. Spores and calyptrae unknown.
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Discussion
Fig. 783
C. squarrosulum (Card.) Nish. & Ando, Bryologist 89: 68. 1986.
Mittenothamnium squarrosulum Card., Rev. Bryol. 38: 42. 1911.
Microthamnium squarrosulum (Card.) Broth, in K & P., Nat. Pfl. ed 2,11: 471. 1925.
This species is similar to C. elegantulum but has more spreading, often squarrose leaves, ovate to rounded-ovate, spreading, often squarrose leaves, ovate to rounded-ovate
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Distribution
On tree trunks; Veracruz.-Mexico; Central America
Central America| Mexico North America|