Flora of North America species comparison

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Scorpidium revolvens

limprichtia moss, rusty hook-moss, rusty scorpion moss
Habit Plants medium-sized to large (sometimes when submerged), not turgid, green, red, purplish red, dark brownish red, or blackish red.
Stem(s)

leaves ovate or ovate-lanceolate, gradually or sometimes abruptly narrowed to apex, ± suddenly curved distally, concave, 0.5–1 mm wide;

apex acuminate or long-acuminate, sometimes apiculate;

costa single, ending beyond mid leaf;

alar cells 2–10;

medial laminal cells (shorter 1/2 of leaf) 61–140(–179) µm, cell ends short or long fusiform-narrowed, rarely rounded to almost square.
Sexual condition

autoicous.
Capsule

with exostome external surface more than 40–50% cross striolate basally.

Scorpidium revolvens
Habitat Mountains, intermediately mineral-rich and often spring-influenced fens, small periodically water-filled depressions, shores, submerged
Elevation low to high elevations (0-3100 m) [low to high elevations (0-10200 ft)]
Distribution
map from FNA
AK; CO; ID; MI; MN; MT; OH; VT; WI; WY; AB; BC; MB; NL; NT; NU; ON; QC; SK; YT; SPM; South America; Pacific Islands (New Zealand, Papua New Guinea); Greenland; s Africa; Eurasia; Antarctica
[WildflowerSearch map]
Discussion

Scorpidium revolvens often has been confused with 2. S. cossonii; the differences between these species are discussed under the latter.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Parent taxa Calliergonaceae > Scorpidium
Sibling taxa
S. cossonii, S. scorpioides
Synonyms Hypnum revolvens, Drepanocladus revolvens, D. revolvens var. miquelonensis, Limprichtia revolvens
Name authority (Swartz) Rubers: in A. Touw and W. V. Rubers, Nederl. Bladmoss., 380. (1989)
Source FNA vol. 28, p. 388. Treatment author: Lars Hedenäs.
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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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