Rhodobryum ontariense

(Kindberg) Kindberg

Eur. N. Amer. Bryin. 2: 346. 1898.

Illustrated
Basionym: Bryum ontariense Kindberg Bull. Torrey Bot. Club 16: 96. 1889
Treatment appears in FNA Volume 28. Treatment on page 177. Mentioned on page 176.

Stems 1–5 cm, unbranched or rarely with slender subapical innovations. Stem-leaves 18–55 in rosettes, usually more than 20, 4–10 mm; margins strongly revolute to beyond mid leaf, often nearly to apex; apex broadly acute to cuspidate; costa in rosette leaves percurrent to short-excurrent, hairpoint slender, in cross-section stereid band distinct, reaching dorsal epidermal layer, without intervening layer of thin-walled cells. Perichaetial inner leaves with costa long-excurrent, hairpoint denticulate. Spores 16–24 µm.


Phenology: Capsules mature Nov–Feb (late fall–late winter).
Habitat: Rich soil, forests, forest edges, rotten logs, tree bases, soil over rock, rock, often calcareous, boggy sites
Elevation: low to high elevations (0-3000 m)

Distribution

V28 282-distribution-map.gif

Alta., Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que., Sask., Ariz., Ark., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Kans., Ky., Maine, Md., Mass., Mich., Minn., Mo., Nebr., N.H., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., W.Va., Wis., Mexico, Eurasia (India), Eurasia (Japan), Eurasia (mainland se Asia)

Discussion

Rhodobryum ontariense is a common and characteristic species of the eastern deciduous forests, occurring as far south as Arkansas and Georgia, with disjunct populations in the mountains of west Texas, New Mexico, and southeastern Arizona. The species is not found in arctic tundra and is rare in the northern boreal forests.

Selected References

None.

Lower Taxa

None.

"narrower" is not a number."narrow" is not a number.

... more about "Rhodobryum ontariense"
broadly acute;cuspidate +
John R. Spence +
(Kindberg) Kindberg +
distinct +
curved +  and straight +
not decurrent +
Bryum ontariense +
cucullate +
inclined +  and nutant +
long-exserted +
oblong +  and cylindric +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
elongate +
not differentiated +
appendiculate +
long-excurrent +
subpercurrent +
hexagonal;rhomboidal +
Alta. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, Que. +, Sask. +, Ariz. +, Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Vt. +, Va. +, W.Va. +, Wis. +, Mexico +, Eurasia (India) +, Eurasia (Japan) +  and Eurasia (mainland se Asia) +
low to high elevations (0-3000 m) +
hyaline;pale-yellow +
not adherent +
hyaline +, yellowbrown +  and brown +
Rich soil, forests, forest edges, rotten logs, tree bases, soil over rock, rock, often calcareous, boggy sites +
denticulate +
smaller and narrower +
2 +  and 4 +
polyoicous +, monoicous +, dioicous +  and sexual +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
imbricate;variously contorted +
erect-spreading +
spathulate +, obovate +  and ovate +
shrunken +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1 (?) +, 3 (?) +  and 4 (?) +
short-rectangular +  and quadrate +
short-conic +
lateral +  and terminal +
lateral +  and terminal +
diplolepidous-alternate +
Capsules mature Nov–Feb (late fall–late winter). +
elongate-rectangular +
Eur. N. Amer. Bryin. +
differentiated +
smooth;papillose +
lanceolate +  and subulate +
straight +  and slightly flexuose +
1 +  and 8 +
elongate +
Illustrated +
yellowbrown +
germinating +
rarely +  and unbranched +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Rhodobryum ontariense +
Rhodobryum +
species +
acuminate;lanceolate +
distinct +
straight +
specialized +
dioicous +, sexual +  and asexual +
sinuate +
red +, olive green +  and dark green +