Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules present;

central strand weak or absent.

mostly branched;

axillary hyaline nodules absent;

central strand present.

as many as 25 pairs, narrowly lanceolate to ovate–lanceolate, acute to sharply acute to short acuminate, to 1.9 × 0.3;

dorsal lamina narrowed proximally, ending before or at insertion, infrequently ± decurrent;

vaginant laminae 1/2–4/5 leaf length, ± equal, minor lamina ending on or near margin;

margin entire, limbate on all laminae, limbidium confluent at apex or ending shortly before apex, extending to base of dorsal lamina, limbidial cells 2–3-stratose;

costa percurrent to excurrent, bryoides-type;

laminal cells 1-stratose, distinct, smooth, ± bulging, firm-walled, elongate, 7–22 × 4–13 µm, increasing in size toward proximal part of leaf.

as many as 15 pairs, often undulate, oblong to lanceolate, obtuse to broadly acute, cuspidate, to 2.7 mm × 0.6 mm;

dorsal lamina truncate-rounded proximally, ending at insertion, not decurrent;

vaginant laminae 2/3 the leaf length, ± equal, minor lamina ending on or near margin;

margin evenly serrulate, often crenulate-serrulate on dorsal and ventral laminae, elimbate;

costa ending in cuspidate apex, taxifolius-type;

laminal cells 1-stratose, distinct, smooth, bulging, firm-walled, irregularly hexagonal, 8–11 µm frequently paler at margin, conspicuously mammillose in vaginant laminae, larger and clearer juxtacostally.

to 12 mm.

to 17 mm.

rhizoautoicous;

perigonia gemmiform, proximal to infertile and fertile stems.

rhizautoicous;

perigonia on short branches proximal to elongate stems;

perichaetia on short, proximal, axillary branches.

theca exserted, ± erect, radially symmetric to inclined, arcuate, bilaterally symmetic, 0.35–1.25 mm;

peristome bryoides-type;

operculum 0.25–0.3 µm.

theca slightly inclined, slightly arcuate, bilaterally symmetric, to 1.5 mm;

peristome taxifolius-type;

operculum to 1 mm.

cucullate, smooth, 0.5 mm.

cucullate, smooth, to 2 mm.

11–18 µm.

13–18 µm.

1 per perichaetium.

1 per perichaetium.