Schistostega pennata

(Hedwig) F. Weber & D. Mohr

Index Mus. Pl. Crypt., [2]. 1803,.

Basionym: Gymnostomum pennatum Hedwig Sp. Musc. Frond., 31. 1801
Synonyms: Schistostega osmundacea D. Mohr
Treatment appears in FNA Volume 27. Treatment on page 475.

Leaves of sterile shoots 0.5–1.2 mm, ecostate, median cells smooth, oblong-rhomboidal, thin-walled, 16–20 µm wide, decurrent, confluent at the base, margin entire, weakly bordered by narrow, elongated cells. Protonemal gemmae sticky, obclavate, 80–200 × 15–20 µm, 3–4 cells in length, tapering and thickened near apex. Seta 2–5 mm. Capsule erect, light-brown, smooth, subglobose or ovoid, annulus absent. Spores yellowish green, pitted-reticulate, 10–13 µm.


Phenology: Capsules mature late spring–early summer.
Habitat: Usually found on mineral soil in crevices on lower, sheltered parts of upturned tree root wads, ceilings of caves, crevices in soil banks, animal burrows, rarely on the shaded sides of deep pits along the upper banks of perennial streams, occasionally on rock
Elevation: low to high elevations (0-1700 m)

Distribution

V27 693-distribution-map.gif

Alta., B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que., Alaska, Idaho, Maine, Mich., Minn., Mont., N.H., N.Y., Ohio, Oreg., R.I., Vt., Wash., Wis., Eurasia

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Schistostega pennata"
Judith A. Harpel +
(Hedwig) F. Weber & D. Mohr +
Gymnostomum pennatum +
conic-mitrate +
ovoid +  and subglobose +
tapering +
thickened +  and narrow +
Alta. +, B.C. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, Que. +, Alaska +, Idaho +, Maine +, Mich. +, Minn. +, Mont. +, N.H. +, N.Y. +, Ohio +, Oreg. +, R.I. +, Vt. +, Wash. +, Wis. +  and Eurasia +
low to high elevations (0-1700 m) +
Usually found on mineral soil in crevices Usually found on mineral soil in crevices on lower, sheltered parts of upturned tree root wads, ceilings of caves, crevices in soil banks, animal burrows, rarely on the shaded sides of deep pits along the upper banks of perennial streams, occasionally on rockof perennial streams, occasionally on rock +
distichous-complanate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
planoconvex +
acute +  and linear-lanceolate +
Capsules mature late spring–early summer. +
Index Mus. Pl. Crypt., +
straight +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
frondiform +
yellowish green +
arising +  and erect +
filamentous +
developing +  and specialized +
sexual +  and asexual +
Schistostega osmundacea +
Schistostega pennata +
Schistostega +
species +
bluish gray-green +
female +, male +  and dioicous +