Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules present;

central strand weak or absent.

unbranched and sparingly 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 80 pairs, somewhat undulate, oblong, obtuse to broadly acute, usually bluntly mucronate, to 4 × 1 mm;

dorsal lamina rounded proximally, ending at insertion;

vaginant laminae 1/2 the leaf length, acute, ± equal, minor lamina ending on or near margin;

margin entire but denticulate distally, elimbate;

costa percurrent to ending 2–4 cells before apex, taxifolius-type;

laminal cells 1-stratose, distinct, smooth, slightly bulging, firm-walled, irregularly hexagonal, 10–20 µm, larger juxtacostally, smaller at margin.

to 12 mm.

to 15 mm.

rhizoautoicous;

perigonia gemmiform, proximal to infertile and fertile stems.

dioicous;

perigonia and perichaetia on short axillary branches and main stems.

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

peristome bryoides-type;

operculum 0.25–0.3 µm. Calyptra cucullate, smooth, 0.5 mm.

theca slightly inclined, radially symmetric or slightly arcuate, bilaterally symmetric, to 2.5 mm;

operculum about as long as theca.

cucullate, smooth, 1.5–1.55 mm.

11–18 µm.

9–11 µm.

1 per perichaetium.

1–2 per perichaetium.