Rhytidium

(Sullivant) Kindberg

Bih. Kongl. Svenska Vetensk.-Akad. Handl. 6(19): 8. 1882.

Etymology: Greek rhytis, wrinkle, alluding to strongly rugose leaves
Basionym: Hypnum sect. Rhytidium Sullivant in A. Gray, Manual ed. 2, 675. 1856
Treatment appears in FNA Volume 28. Treatment on page 339. Mentioned on page 652.
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 TaxonIllustrator 
RhytRhytidiumRugosum.jpegRhytidium rugosumPatricia M. Eckel

Stem-leaves erect, crowded, imbricate, falcate-secund, obscurely plicate, strongly rugose; base not or short-decurrent; laminal cells coarsely prorate at distal ends. Branch leaves similar, less falcate-secund, smaller. Capsule oblong-ellipsoid to cylindric, arcuate, not plicate, constricted below mouth when dry; operculum high-conic to short-rostrate. Spores 10–17 µm.

Distribution

North America, Mexico, Central America (Guatemala), South America (Bolivia), Eurasia, Africa

Discussion

Species 1.

Selected References

None.

Lower Taxa

"broad" is not a number.

... more about "Rhytidium"
acuminate +
Joseph R. Rohrer +
(Sullivant) Kindberg +
short-decurrent +
Hypnum sect. Rhytidium +
cucullate +
suberect;horizontal +
oblong-ellipsoid;cylindric +
constricted +
quadrate;short-rectangular +
1/3 +  and 2/3 +
North America +, Mexico +, Central America (Guatemala) +, South America (Bolivia) +, Eurasia +  and Africa +
Greek rhytis, wrinkle, alluding to strongly rugose leaves +
cross-striolate +
lanceolate +, ovatelanceolate +  and oblong-ovate +
serrate +  and serrulate +
dioicous +  and sexual +
high-conic;short-rostrate +
lanceolate;narrowly lanceolate +
Bih. Kongl. Svenska Vetensk.-Akad. Handl. +
elongate +
falcate-secund +, imbricate +  and crowded +
sometimes sparsely branched +  and regularly pinnate +
erect-ascending +
Rhytidium +
Rhytidiaceae +
large +  and large to very +