Zollinger'S Fissidens Moss (Fissidens zollingeri)
Description
Plants small. Leafy stems usually simple, rarely branched, 1.8-2.3 mm long, 1.4-2.5 mm wide; axillary hyaline nodules differentiated; central strand not differentiated. Leaves in 4-7 pairs, the lowest leaves much smaller than the upper leaves; middle to upper leaves oblong-lanceolate to lanceolate, 1.2-1.5 mm - 0.2-0.3 mm, slightly acuminate at apex; base of dorsal laminae rounded to broadly wedge-shaped; vaginant laminae ca. 1/2 the leaf length; margins nearly entire, limbidia along the whole margin, uniformly 1-2 cells wide, except 3-4 cells wide on the lower half of the vaginant laminae; costa light yellow, stout, shortly excurrent; cells of apical and dorsal laminae irregularly hexagonal, 9-21 -m long, thin-walled, smooth; cells at base of vaginant laminae much larger than those of apical and dorsal laminae, up to 42 -m long, 18 -m wide. Synoicous. Archegonia terminal on main stems of lateral branches. Setae 2.0-3.3 mm long, smooth; capsules erect, symmetrical; urns ca. 0.6 mm long.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Bryophyta
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Class: Bryopsida
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Order: Fissidentales
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Family: Fissidentaceae
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Genus: Fissidens
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