Fissidens dubius

SPECIES

1. KingdomPlantae
2. PhylumBryophyta
3. ClassBryopsida
4. OrderDicranales
5. FamilyFissidentaceae

Observations recorded37,062

Plants to 25 × 3.5 mm. Stem usually branched; axillary hyaline nodules absent; central strand present. Leaves as many as 25 pairs, often undulate, oblong to lanceolate, obtuse to acute, often apiculate, to 3.5 × 0.7 mm; dorsal lamina truncate-rounded proximally, ending at insertion, not decurrent; vaginant laminae 2/3 the leaf length, ± unequal, minor lamina ending near margin; margin crenulate to crenulate-serrulate but unevenly serrate at leaf apex, elimbate; costa ending a few cells before apex to percurrent, taxifolius-type; laminal cells irregularly 2-stratose in dorsal and ventral laminae, ± obscure, smooth, bulging, firm-walled, rounded-hexagonal, 7-10 µm, 3-4 rows of marginal cells thinner, walls slightly thicker, forming a pale marginal band. Sexual condition dioicous; perigonia on short axillary branches and elongate stems; perichaetia on short axillary branches, mostly near proximal ends of stems. Sporophytes 1 per perchaetium. Seta to 11 mm. Capsule theca slightly inclined, slightly arcuate, bilaterally symmetric, to 1.8 mm; peristome taxifolius-type; operculum 1-1.4 mm. Calyptra cucullate, smooth, 1.8 mm. Spores 13-20 µm.

via GBIF

🔬Museum specimens

Specimen records

4,813

With media

1,344

Family

Fissidentaceae

Collections

IBUNAM, CAS, NY, MICH, CMN

Recorded in

Mexico, Costa Rica, United States, Canada

Wikidata facts

Instance of

taxon

Parent taxon

Fissidens

Image

Fissidens dubius (Sporenkapseln) IMG 4359.jpg

via Wikidata · CC0