Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules present;

central strand weak or absent.

usually profusely branched;

axillary hyaline nodules absent;

central strand absent.

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 numerous pairs, lanceolate to linear-lanceolate, acute, to 6.5 × 0.7 mm;

dorsal lamina narrowed proximally, usually ending before insertion;

vaginant laminae 1/4–1/2 leaf length, acute, unequal in most leaves, minor lamina rounded above, attached on or near costa, ± equal on proximal part of stem, minor lamina ending near leaf margin;

margin ± entire, elimbate or limbate in the proximal 2/3 or less of vaginant laminae;

costa ending 5–15 cells before apex, bryoides-type;

laminal cells 1-stratose, distinct, smooth, slightly bulging, ± firm-walled, quadrate to oblong to hexagonal, 10–15 × 9–11 µm.

to 12 mm.

0.7–1.5 mm, often bent at the vaginula.

rhizoautoicous;

perigonia gemmiform, proximal to infertile and fertile stems.

cladautoicous;

perigonia on elongate, axillary branches;

perichaetia terminal on mains stems and elongate, 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 erect, radially symmetric, 0.4–0.8 mm;

peristome anomalous, teeth variable, undivided and often fenestrate to divided 2/3 their length, even in same capsule, nearly smooth to papillose proximally, filaments with straight or spiral thickenings or striations;

operculum 0.4–0.6 mm.

cucullate, smooth, 0.5 mm.

not seen.

11–18 µm.

14–32 µm.

1 per perichaetium.

1–2 per perichaetium.