Pohlia vexans

(Limpricht) H. Lindberg

Acta Soc. Fauna Fl. Fenn. 16(5): 20. 1899.

Basionym: Mniobryum vexans Limpricht Laubm. Deutschl. 2: 273. 1892
Treatment appears in FNA Volume 28. Treatment on page 212. Mentioned on page 196, 209.

Plants small, green to reddish, very glossy. Stems 0.5–1.5 cm, cherry red. Leaves stiffly erect and ± imbricate to erect-spreading, lanceolate, 0.6–1.3 mm; base not or scarcely decurrent; margins weakly serrulate in distal 1/3; costa ending well before apex; distal medial laminal cells broadly rhomboidal, 65–110 µm, walls thin. Specialized asexual reproduction absent. Sexual condition dioicous; perigonial leaves to 3 mm; perichaetial leaves somewhat differentiated, lanceolate. Seta orange-brown. Capsule inclined ± 180°, brown to red-brown, sometimes stramineous, short-pyriform to urceolate, neck less than 1/3 urn length; exothecial cells isodiametric, walls sinuate; stomata immersed; annulus absent; operculum short- to long-conic; exostome teeth yellow to light brown, triangular-acute; endostome yellow to yellow-brown, basal membrane 1/2 exostome length or slightly longer, segments tapered apically, distinctly keeled, broadly perforate, cilia long, nodulose. Spores 15–21 µm, finely roughened.

Phenology: Capsules mature spring (Apr–Jun).
Habitat: Disturbed clay or rarely sandy soil, path banks, along streams
Elevation: low to moderate elevations


V28 340-distribution-map.gif

Alta., B.C., Man., N.W.T., Alaska, Mont., Wash., Europe.


Pohlia vexans is a slender species characterized by abundant, elongate sterile shoots with erect, rather glossy leaves. The exostome teeth are pale brown. The species is common on moist calcareous clays in cold continental regions of northwestern North America.

Selected References


Lower Taxa

... more about "Pohlia vexans"
A. Jonathan Shaw +
(Limpricht) H. Lindberg +
Mniobryum vexans +
Alta. +, B.C. +, Man. +, N.W.T. +, Alaska +, Mont. +, Wash. +  and Europe. +
low to moderate elevations +
Disturbed clay or rarely sandy soil, path banks, along streams +
Capsules mature spring (Apr–Jun). +
Acta Soc. Fauna Fl. Fenn. +
Pohlia vexans +
species +