Fissidens grandifrons Brid.

Largeleaf fissidens moss (en)

Species

Bryophytes > Fissidentales > Fissidentaceae > Fissidens

Characteristics

Plants to 100 × 3.5 mm wide. Stem usually profusely branched; axillary hyaline nodules present; central strand absent. Leaves in as many as 60 or more pairs, lanceolate, obtuse to rounded, to 3 × 0.5 mm; dorsal lamina narrowed proximally, ending at insertion; vaginant laminae 1/2-2/3 leaf length, acute, equal; margin ± entire to crenulate, elimbate; costa usually difficult to discern, ending a few cells before apex, variable in structure, basically taxifolius-type; lamina cells 1-to 4-stratose at leaf margin, 2-to pluristratose in interior of dorsal and ventral laminae, 1-to 4-stratose in vaginant laminae, smooth, ± plain, quadrate to hexagonal, 7-13 µm long. Sexual condition dioicous (?); perigonia not seen; perichaetia on short axillary branches in medial leaves. Seta 13-19 mm. Capsule theca slightly arcuate, bilaterally symmetric, astomatose, exothecial cells quadrate to oblong, vertical walls thicker than horizontal walls, 1.5-2 mm; peristome taxifolius-type. Spores 20-23 µm.
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Identifiers

LSID 35182468
WFO ID wfo-0001194554
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INPN ID 4377
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Dicranum palmiforme Fissidens subgrandifrons Fissidens yunnanensis Fissidens diversiretis Fissidens insignis Fissidens grandifrons Fissidens planicaulis Pachyfissidens grandifrons Fissidens grandifrons var. planicaulis Fissidens grandifrons var. strictus Fissidens grandifrons var. grandifrons