Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules present;

central strand weak or absent.

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.

in as many as 20 pairs, obovate to lanceolate, usually widest proximal to the middle, broadly acute to obtuse, often apiculate, 0.7– 2 × 0.3–0.7 mm;

dorsal lamina rounded-truncate proximally, ending at or sometimes before insertion;

vaginant laminae ± 1/2–3/4 the leaf length, ± equal, minor lamina ending on or near margin;

margin crenulate throughout or evenly serrulate distally, elimbate;

costa ending 2–14 cells before apex, taxifolius-type;

lamina cells 1-stratose, distinct, smooth, bulging, firm-walled, ± hexagonal, 10–18 µm.

to 12 mm.

2–2.5 mm.

rhizoautoicous;

perigonia gemmiform, proximal to infertile and fertile stems.

dioicous;

perigonia and perichaetia on elongate 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.

theca erect, bilaterally symmetric, to 1 mm;

peristome taxifolius-type;

operculum 1 mm.

cucullate, smooth, 0.5 mm.

mitrate, smooth, 1.5 mm.

11–18 µm.

16–23 µm.

1 per perichaetium.

1 per perichaetium.