Hypnum revolutum var. revolutum

Treatment appears in FNA Volume 28. Treatment on page 547.

Plants medium-sized. Stems 3–5 cm, regularly to irregularly pinnate, branches 0.3–0.7 cm. Stem-leaves ovate, plicate, 1.1–1.8 mm; margins strongly revolute to near apex; costa double, distinct; medial laminal cells 30–40 × 4–5 µm.


Phenology: Capsules mature Jul–Sep.
Habitat: Open sites, earth, rock faces, epiphytic on tree bases, logs in forests, commonly calcicole but not confined to calcareous substrates
Elevation: low to high elevations

Distribution

V28 851-distribution-map.gif

Greenland, Alta., B.C., Man., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Sask., Yukon, Alaska, Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., S.Dak., Tex., Utah, Wash., Wyo., s South America, Europe, Asia, Antarctica

Discussion

Variety revolutum produces sporophytes in summer.

Selected References

None.

Lower Taxa

None.
differentiated +
acuminate +
Wilfred B. Schofield† +
(Mitten) Lindberg +
not auriculate +  and not decurrent +
Stereodon revolutus +
dioicous +  and sexual +
ovate +  and not undulate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
cucullate +
yellowish;brown +
inclined +  and horizontal +
oblong-cylindric +
constricted +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
hyaline +  and not pigmented +
3 +  and 2 +
rectangular;subquadrate +
enlarged +
differentiated +
rudimentary +
distinct +
dioicous +, autoicous +, sexual +  and asexual +
Greenland +, Alta. +, B.C. +, Man. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, S.Dak. +, Tex. +, Utah +, Wash. +, Wyo. +, s South America +, Europe +, Asia +  and Antarctica +
low to high elevations +
fused +  and free +
filamentous +
Open sites, earth, rock faces, epiphytic on tree bases, logs in forests, commonly calcicole but not confined to calcareous substrates +
ovate +  and lanceolate or subulate +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
0 (?) +  and 1/4 (?) +
distinct +
sinuate +  and entire proximally +
dioicous +, autoicous +  and sexual +
Capsules mature Jul–Sep. +
decurrent +
lanceolate;ovate +
Öfvers. Kongl. Vetensk.-Akad. Förh. +
papillose +  and smooth +
yellowish +  and reddish +
elongate +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Illustrated +
falcate-secund +
0.5mm;1.8mm +
narrowed +, ovate-oblong +  and ovate +
0.4mm;0.6mm +
secund +, not +  and complanate-foliate +
falcate-secund +
yellow-green +
straight +
creeping +, suberect +  and erect +
ovate +  and not undulate +
3 cm30 mm <br />0.03 m <br /> (?) +  and 5 cm50 mm <br />0.05 m <br /> (?) +
differentiated +
Breidleria +, Drepanium +, Pseudostereodon +  and Stereodon +
Hypnum revolutum var. revolutum +
Hypnum revolutum +
variety +
rusty brownish +  and yellowish +
dull +  and glossy +