Pleuroziopsis

Kindberg ex E. Britton

Bryologist 9: 39. 1906.

Etymology: Genus Pleurozium and Greek opsis, resembling
Basionym: Climacium sect. Girgensohnia Lindberg Contr. Fl. Crypt. As., 249. 1873,
Treatment appears in FNA Volume 28. Treatment on page 513. Mentioned on page 508, 512, 514, 647.
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 TaxonIllustrator 
PleuPleuroziopsisRuthenica.jpegPleuroziopsis ruthenicaPatricia M. Eckel

Plants 4–8 cm. Stems with secondary stems and branches red, branchlets green or red; rhizoids matted on primary-stems. Stem-leaves 3–4 × 1.5–2.5 mm; margins plane, entire; costa single, weak, ending mid leaf, smooth; laminal cells smooth or minutely prorulose, walls not pitted or pits not evident. Proximal branch leaves similar, smaller; median branchlet leaves ovate to ovatelanceolate, 0.5–1 × 0.3–0.5 mm; costa strong, ending before apex, abaxial surface usually toothed; laminal cells smooth or minutely prorulose by projecting cell ends, walls not pitted or pits not evident. Seta orange to red, 1.5 cm, twisted. Capsule single, 3 × 1 mm, smooth; annulus absent; operculum unknown; endostome as long as exostome. Spores sometimes germinating inside capsule.

Distribution

w North America, e Asia

Discussion

Species 1.

Girgensohnia (Lindberg) Kindberg 1896, not Bunge ex Fenzl 1851 [Chenopodiaceae], has been used for this taxon. The operculum of Pleuroziopsis is unknown in the flora area, but has been reported as long-conic and almost rostrate.

Selected References

None.

... more about "Pleuroziopsis"
Robert R. Ireland Jr. +
Kindberg ex E. Britton +
long-decurrent +
Climacium sect. Girgensohnia +
erect-spreading +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
3 cm30 mm <br />0.03 m <br /> (?) +
1 cm10 mm <br />0.01 m <br /> (?) +
inflated +
strong +  and weak +
w North America +  and e Asia +
Genus Pleurozium and Greek opsis, resembling +
dioicous +  and sexual +
not evident +
much-branched +
reddish-brown +  and whitish +
papillose +
2-pinnate +  and pinnate +
orange;red +
elongate +
1.5 cm15 mm <br />0.015 m <br /> (?) +
germinating +
1.5mm;2.5mm +
Pleuroziopsis +
Pleuroziopsaceae +
medium-sized;large +