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 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.

as many as 12 pairs, oblong to lingulate, broadly acute to obtuse, sometimes apiculate, to 1.4 × 0.5 mm;

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

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

margin crenulate-serrulate but limbate and entire on proximal 1/3–1/2 of vaginant laminae of most leaves, limbidial cells 1-stratose;

costa ending 2–6 cells before apex, bryoides-type;

lamina cells 1-stratose, distinct, mammillose, firm-walled, irregularly hexagonal, 7–12 µm, smooth, larger, ± oblong, pellucid juxtacostally in proximal parts of vaginant laminae.

to 12 mm.

to 2 mm.

rhizoautoicous;

perigonia gemmiform, proximal to infertile and fertile stems.

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, erect, radially symmetric, 0.5 mm;

peristome scariosus-type;

operculum 0.4 mm.

cucullate, smooth, 0.5 mm.

cucullate, smooth, 0.3–0.5 mm.

11–18 µm.

10–16 µm.

1 per perichaetium.

1 per perichaetium.