Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules present;

central strand weak or absent.

unbranched and branched;

axillary hyaline nodules absent;

central strand 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 10 pairs, lanceolate to lingulate, acute to obtuse-apiculate, to 1.3 × 0.4 mm;

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

vaginant laminae ± 1/2 leaf length, equal;

margin serrulate, limbate and entire on complete length of vaginant laminae and often on proximal portion of adjacent ventral laminae of all leaves except smallest, limbidial cells 1-stratose;

costa percurrent to ending 2–3 cells before apex, bryoides-type;

laminal cells 1-stratose, distinct, mammillose, firm-walled, quadrate to hexagonal, 7–9 µm.

to 12 mm.

to 3.5 mm.

rhizoautoicous;

perigonia gemmiform, proximal to infertile and fertile stems.

rhizautoicous;

perigonia gemmiform, proximal to fertile and infertile 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 exserted, erect, radially symmetric, to 0.6 mm;

peristome scariosus-type;

operculum to 9.4 mm.

cucullate, smooth, 0.5 mm.

cucullate, smooth, to 0.5 mm.

11–18 µm.

11–23 µm.

1 per perichaetium.

1 per perichaetium.