Flora of North America species comparison

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Rhytidiopsis robusta

pipecleaner moss, robust rhytidiopsis moss
Habit Plants to 12 cm.
Stem(s)

leaves 1.2–2.2 mm wide;

alar cells shorter, wider than basal cells, 18–38 × 12–25 µm;

medial laminal cells 40–90 × 5–9 µm. Branch leaves 2.2–4 × 0.9–1.3 mm.
Seta

1.7–3 cm.
Capsule

arcuate when dry, ellipsoid when moist, 2–3.4 mm.

Rhytidiopsis robusta
Habitat Soil, litter, and rock in montane coniferous forests of Pacific Northwest, occasionally extending into alpine tundra
Elevation moderate to high elevations (300-2500 m) (moderate to high elevations (1000-8200 ft))
Distribution
from FNA
AK; CO; ID; MT; OR; WA; AB; BC
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Discussion

Plants of Rhytidiopsis robusta in subalpine forest and alpine tundra are generally smaller, with leaves 2.5–3.5 mm and leafy stems 3–4 mm wide.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 28, p. 336.
Parent taxa Hylocomiaceae > Rhytidiopsis
Synonyms Hypnum robustum
Name authority (Hooker) Brotherus: in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 232/233[I,3]: 1057. (1908)
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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