Plagiomnium drummondii

(Bruch & Schimper) T. J. Koponen

Ann. Bot. Fenn. 5: 146. 1968.

Basionym: Mnium drummondii Bruch & Schimper London J. Bot. 2: 669. 1843 (as drummondi)
Treatment appears in FNA Volume 28. Treatment on page 232. Mentioned on page 230.

Erect stems 1–4 cm, not dendroid; sterile stems to 7 cm. Leaves light green or yellow-green, moderately contorted when dry, flat when moist, obovate or sometimes elliptic, 2–6 mm; base long-decurrent; margins toothed from about mid leaf to apex, sometimes to just below mid leaf, teeth sharp, of 1–2 (–3) cells; apex acuminate or acute, occasionally obtuse or rounded, short to long-cuspidate, cusp toothed; costa percurrent, excurrent, or rarely subpercurrent; medial laminal cells ± isodiametric or short-elongate, 30–50 (–60) µm, much smaller near margins, often less than 1/2 size, in longitudinal, not diagonal rows, not or weakly collenchymatous, walls not pitted; marginal cells linear, in 2–4 rows. Sexual condition synoicous. Seta 1–3 (–4), yellow to reddish-brown, 1.2–3 cm. Capsule horizontal to pendent, ovoid or obovoid, 2–3 mm, neck not distinct; operculum conic-apiculate. Spores 18–25 µm.


Phenology: Capsules mature late spring.
Habitat: Humus, soil, logs, rock, stumps or tree bases in fire-dependent forests/woodlands, mesic hardwood forests, swamps, wet forests
Elevation: low elevations

Distribution

V28 369-distribution-map.gif

Alta., B.C., Man., N.B., N.W.T., N.S., Ont., Que., Sask., Idaho, Md., Mich., Minn., Mont., Nebr., N.Y., N.C., Ohio, Pa., Wash., W.Va., Europe, Asia

Discussion

See discussion for this species under 3. Plagiomnium cuspidatum.

Selected References

None.

Lower Taxa

None.
... more about "Plagiomnium drummondii"
blackish +, orange-yellow +, reddish-brown +, yellowish-brown +, yellowish green +, red +, brown +  and yellow +
rounded +, obtuse +, acute +  and acuminate +
Terry T. McIntosh +  and Steven G. Newmaster +
(Bruch & Schimper) T. J. Koponen +
long-decurrent +
Mnium drummondii +
cucullate +
yellowish-brown +  and yellow +
horizontal;pendent +
obovoid +  and ovoid +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
undifferentiated +
1 +  and 2 +
nodulose +
excurrent +  and percurrent +
subpercurrent +
toothed +
Alta. +, B.C. +, Man. +, N.B. +, N.W.T. +, N.S. +, Ont. +, Que. +, Sask. +, Idaho +, Md. +, Mich. +, Minn. +, Mont. +, Nebr. +, N.Y. +, N.C. +, Ohio +, Pa. +, Wash. +, W.Va. +, Europe +  and Asia +
low elevations +
yellow +  and yellowish-brown +
brown +  and yellow +
lanceolate-acuminate +
Humus, soil, logs, rock, stumps or tree bases in fire-dependent forests/woodlands, mesic hardwood forests, swamps, wet forests +
crowded +  and distant +
elliptic +  and contorted +
yellow-green +  and light green +
erect-spreading +
obovate +
larger +  and small +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
yellow-green +  and green +
0 +  and 1/2 +
synoicous +  and sexual +
rhomboidal +  and linear +
short-elongate +  and isodiametric +
not distinct +
rostrate +  and conic-apiculate +
Capsules mature late spring. +
Ann. Bot. Fenn. +
smaller +  and larger +
not diagonal +
yellow +  and reddish-brown +
straight +  and flexuose +
1 +  and 3 +
elongate +
1.2 cm12 mm <br />0.012 m <br /> (3 cm30 mm <br />0.03 m <br />) +
spheric +
not dendroid +
brownish +, yellow-green +  and green +
0 cm0 mm <br />0 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Plagiomnium drummondii +
Plagiomnium +
species +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +