Flora of North America species comparison

unbranched and branched;

axillary hyaline nodules present;

central strand weak or absent.

usually unbranched;

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 40 pairs, lanceolate to oblong-lanceolate, generally broadly acute, 0.4–1.5 × 0.2–0.3 mm;

dorsal laminae narrowed proximally, often ending well before insertion;

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

margin entire but often ± serrate distally, limbate on the vaginant laminae, infrequently limbate on dorsal and ventral laminae of perichaetial leaves, limbidial cells 1-stratose;

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

laminal cells 1-stratose, distinct, smooth, slightly bulging, firm-walled, irregularly quadrate to hexagonal, 8–11 µm.

to 12 mm.

1.75–6 mm.

rhizoautoicous;

perigonia gemmiform, proximal to infertile and fertile stems.

polyoicous, most frequently gonioautoicous;

naked antheridia often in axils of distal leaves.

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 erect, radially symmetric, 0.4–0.8 mm;

peristome bryoides-type;

operculum 0.6 mm.

cucullate, smooth, 0.5 mm.

not seen.

11–18 µm.

14–20 µm.

1 per perichaetium.

1 per perichaetium.