Flora of North America species comparison

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Claopodium bolanderi

Claopodium pellucinerve

Bolander's claopodium moss

claopodium moss
Habit Plants to 6 cm, in thin mats, green to yellow-green. Plants to 4.5 cm, in loose mats, dark green to yellowish.
Stems

irregularly branched, smooth;

paraphyllia, when present, squamiform.

irregularly branched, densely papillose;

paraphyllia few, scalelike.
Leaves

ovate, to 1.6 mm;

margins serrate, limbidium indistinctly present;

apex long, narrow, hair-point present;

costa ending before apex, abaxial surface smooth;

distal medial laminal cells short, isodiametric, 6–8 µm, multipapillose.

ovate-lanceolate, 1–1.5 mm;

margins entire, limbidium absent;

apex tapering, hair-point present;

costa to leaf length, abaxial surface papillose;

distal medial laminal cells elliptic to rhomboidal, 15–25 µm, densely multipapillose.
Seta

1–1.5 cm, rough.

1.2–1.5 cm, smooth.
Capsule

inclined to horizontal, broadly oval to suborbicular, 1.2–1.8 mm;

operculum long-rostrate.

inclined to horizontal, oblong, 1–2 mm;

operculum conic, short-rostrate.
Spores

12–15 µm, smooth.

15–21 µm, lightly papillose.

Claopodium bolanderi

Claopodium pellucinerve
Habitat Rock, soil over rock Pockets or crevices of shaded cliffs, limestone boulders, humus at cliff bases
Elevation moderate to high elevations low to high elevations
Distribution
from FNA
AK; CA; ID; MT; OR; WA; AB; BC; e Asia (Russia [Commander Islands])
[WildflowerSearch map]
from FNA
AK; NM; BC; YT; Mexico (Distrito Federal, Durango); Asia (China, India, Japan, Korea, Pakistan)
Discussion

A collection of Claopodium pellucinerve reported from Arizona (A. B. Johnsen 1969, 1978) was determined to be Anomodon rostratus. In southwestern United States, C. pellucinerve can be confused with small, depauperate material of A. rostratus. C. pellucinerve is distinguished from A. rostratus by its inclined capsules, plane leaf margins, and simple papillae as opposed to erect capsules, revolute leaf margins, and slightly branched papillae.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 28, p. 344. FNA vol. 28, p. 343.
Parent taxa Leskeaceae > Claopodium Leskeaceae > Claopodium
Sibling taxa
C. crispifolium, C. pellucinerve, C. whippleanum
C. bolanderi, C. crispifolium, C. whippleanum
Synonyms Leskea pellucinervis, C. subpiliferum
Name authority Best: Bull. Torrey Bot. Club 24: 431. (1897) (Mitten) Best: Bryologist 3: 19. (1900)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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