Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules present;

central strand weak or absent.

unbranched;

axillary hyaline nodules absent;

central strands weak.

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 5 pairs, oblong to oblanceolate to lanceolate, acute to short-acuminate, to 2.1 × 0.6 mm;

margin crenulate-serrulate but often sharply serrate on distal parts of vaginant laminae, elimbate;

dorsal lamina usually narrowed proximally, ending at insertion, not decurrent;

vaginant laminae ± 1/2–2/3 leaf length, unequal, minor lamina ending near margin;

costa ending 6–15 cells before apex, bryoides-type;

laminal cells 1-stratose, distinct, smooth, plane, firm-walled, long-hexagonal to oblong to regularly quadrate, decreasing in size from costa to margin, medial cells 10–54 × 12–25 µm, largest along costa, marginal cells 9–15 µm, juxtacostal cells in vaginant laminae pellucid, greatly enlarged.

to 12 mm.

2.5–5 mm.

rhizoautoicous;

perigonia gemmiform, proximal to infertile and fertile stems.

rhizautoicous and gonioautoicous.

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 exserted, usually inclined, slightly arcuate, bilaterally symmetric, infrequently erect, nearly radially symmetric, 0.7 mm;

peristome scariosus-type;

operculum 0.3–0.8 mm.

cucullate, smooth, 0.5 mm.

cucullate, smooth, 0.4 mm.

11–18 µm.

9–13 µm.

1 per perichaetium.

1 per perichaetium.