Schistidium papillosum

Culmann in J. Amann et al.

in J. Amann et al., Fl. Mouss. Suisse 2: 386. 1918,

Treatment appears in FNA Volume 27. Treatment on page 221. Mentioned on page 207, 209, 213.
Click plate for higher resolution version.
Illustrator: Patricia M. Eckel
Plants in open tufts or mats, usually olivaceous, often with red, yellow, brown, or orange tones, rarely nearly black. Stems 1–10 cm, central strand indistinct or absent. Leaves erect or curved when dry, ovate-lanceolate, sharply keeled distally, (1.2–)1.6–2.4 mm, 1-stratose, sometimes with 2-stratose striae distally; margins recurved to near apex, often denticulate distally, usually 2-stratose, occasionally in more than one row; apices acute; costa percurrent or excurrent as a denticulate or spinulose, often flexuose, usually non-decurrent awn, abaxial surface papillose; basal marginal cells quadrate or short-rectangular, usually trigonous; distal cells short-rectangular, angular, or ovate, 8–10 µm wide, papillose, sinuose. Sexual condition autoicous. Capsule dark red-brown or brown, short-cylindric, 0.9–1.4(–1.75) mm; exothecial cells isodiametric or short-elongate, thin-walled, sometimes with small trigones; stomata present; peristome patent to erect, twisted, red- or orange-brown, 300–500 µm, papillose, entire or weakly perforated. Spores 10–13 µm, granulose or verruculose.

Phenology: Capsules mature late spring to early summer.
Habitat: Rock, rarely on tree bark, in mesic habitats
Elevation: low to high elevations (0-2000 m)


V27 302-distribution-map.gif

Greenland, Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Nunavut, Ont., Que., Yukon, Ala., Alaska, Colo., Idaho, Mich., Minn., Mont., N.Y., Oreg., Wash., Eurasia.


See comments under 5. Schistidium boreale regarding differences among the North American species of the genus with papillose laminal cells.



Lower Taxa

No lower taxa listed.

AuthorTerry T. McIntosh +
AuthorityCulmann in J. Amann et al. +
DistributionGreenland +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Nunavut +, Ont. +, Que. +, Yukon +, Ala. +, Alaska +, Colo. +, Idaho +, Mich. +, Minn. +, Mont. +, N.Y. +, Oreg. +, Wash. + and Eurasia. +
Elevationlow to high elevations (0-2000 m) +
HabitatRock, rarely on tree bark, in mesic habitats +
IllustratorPatricia M. Eckel +
PhenologyCapsules mature late spring to early summer. +
Publication titlein J. Amann et al., Fl. Mouss. Suisse +
ReferenceNone +
Source xml grained fna xml/V27/V27 302.xml +
Taxon familyGrimmiaceae +
Taxon nameSchistidium papillosum +
Taxon parentSchistidium +
Taxon rankspecies +
VolumeVolume 27 +