Pohlia bulbifera

(Warnstorf) Warnstorf

in C. F. Warnstorf et al., Krypt.-Fl. Brandenburg 1: 429. 1904.

Basionym: Webera bulbifera Warnstorf Bot. Centralbl. 66: 230. 1896
Treatment appears in FNA Volume 28. Treatment on page 206. Mentioned on page 194.

Plants small to medium-sized, green, glossy. Stems 0.3–3 cm. Leaves ± erect, lanceolate, 0.9–1.4 mm; margins serrulate to serrate in distal 1/3; costa subpercurrent; distal medial laminal cells rhombic to rhomboidal, 65–95 µm, walls thin. Specialized asexual reproduction usually present when sterile; axillary gemmae 2–6, spheroid to obovate, shorter than leaves, yellow, orange, or green, leaf primordia restricted to apex and forming dome, laminate. Sexual condition dioicous; perigonial leaves ovate; perichaetial leaves scarcely differentiated, lanceolate. Seta orange-brown. Capsule inclined 95–180°, brown to stramineous, pyriform, neck 1/3 urn length; exothecial cells short-rectangular, walls sinuate; stomata superficial; annulus present; operculum convex-conic; exostome teeth yellow-brown, narrowly triangular-acute; endostome hyaline, basal membrane 1/2 exostome length, segments distinctly keeled, broadly perforate, cilia short to rudimentary. Spores 16–21 µm, finely roughened.

Phenology: Capsules mature summer (Jun–Aug).
Habitat: Acid, gravelly or sandy disturbed soil, path banks, stream banks, peaty soil
Elevation: low to high elevations


V28 329-distribution-map.gif

Greenland, B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Ont., Que., Alaska, Colo., Maine, Mass., Mich., N.H., N.Y., Vt., Wash., Wis., Eurasia.


The gemmae of Pohlia bulbifera appear to be round to oblong because the four or five laminate leaf primordia are concave and form a dome over the gemma apex. The leaves are wide-spreading so the gemmae, although small, can be seen clustered in the distal leaf axils. This species sometimes occurs on peaty soils in bogs but also occurs on gravelly soils in disturbed places.

Selected References


Lower Taxa

... more about "Pohlia bulbifera"
A. Jonathan Shaw +
(Warnstorf) Warnstorf +
Webera bulbifera +
Greenland +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Ont. +, Que. +, Alaska +, Colo. +, Maine +, Mass. +, Mich. +, N.H. +, N.Y. +, Vt. +, Wash. +, Wis. +  and Eurasia. +
low to high elevations +
Acid, gravelly or sandy disturbed soil, path banks, stream banks, peaty soil +
Capsules mature summer (Jun–Aug). +
in C. F. Warnstorf et al., Krypt.-Fl. Brandenburg +
Pohlia bulbifera +
species +