Flora of North America species comparison

usually profusely branched;

axillary hyaline nodules present;

central strand absent.

usually profusely branched;

axillary hyaline nodules absent;

central strand absent.

in as many as 60 or more pairs, lanceolate, obtuse to rounded, to 3 × 0.5 mm;

dorsal lamina narrowed proximally, ending at insertion;

vaginant laminae 1/2–2/3 leaf length, acute, equal;

margin ± entire to crenulate, elimbate;

costa usually difficult to discern, ending a few cells before apex, variable in structure, basically taxifolius-type;

lamina cells 1- to 4-stratose at leaf margin, 2- to pluristratose in interior of dorsal and ventral laminae, 1- to 4-stratose in vaginant laminae, smooth, ± plain, quadrate to hexagonal, 7–13 µm long.

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. Sexual condition cladautoicous;

perigonia on elongate, axillary branches;

perichaetia terminal on mains stems and elongate, axillary branches.

13–19 mm.

0.7–1.5 mm, often bent at the vaginula.

dioicous (?);

perigonia not seen;

perichaetia on short axillary branches in medial leaves.

theca slightly arcuate, bilaterally symmetric, astomatose, exothecial cells quadrate to oblong, vertical walls thicker than horizontal walls, 1.5–2 mm;

peristome taxifolius-type.

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.

not seen.

20–23 µm.

14–32 µm.

1–2 per perichaetium.