Andreaea schofieldiana

B. M. Murray

Bryologist 90: 15, figs. 1–7. 1987,.

Treatment appears in FNA Volume 27. Treatment on page 107. Mentioned on page 103.

Plants greenish brown to brown-black. Leaves spreading, straight to secund, broadly subulate from an ovate base or lanceolate, widest in proximal half of leaf, apex symmetric; costa present, percurrent and usually filling the leaf apices, moderately differentiated to more often strong, terete, commonly reaching the leaf insertion; leaf margins entire or occasionally weakly crenulate; basal laminal cells rectangular, marginal cells grading to short-rectangular, walls usually sinuose, sometimes slightly pitted; medial laminal cells roundedquadrate, 2-stratose entirely or in large patches except near costa where commonly 1-stratose, rarely 1-stratose throughout, lumens rounded; laminal papillae rare, low. Sexual condition cladautoicous; perichaetial leaves differentiated, convolute-sheathing. Spores 20–30 µm.


Habitat: Dry rock outcrops
Elevation: moderate elevations

Discussion

The small spores immediately separate Andreaea schofieldiana from the similar A. rothii.

Selected References

None.

Lower Taxa

None.

"widest" is not a number.

... more about "Andreaea schofieldiana"
Richard H. Zander +
B. M. Murray +
ending before the apex +, percurrent +  and branched +
campanulate-mitrate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
distinct +
1-stratose +  and percurrent +
differentiated +
B.C. +  and Calif. +
moderate elevations +
filamentous +
Dry rock outcrops +
dioicous +, cladautoicous +, autoicous +  and sexual +
cladautoicous +  and sexual +
straight +
subulate +
rounded +
recurved +  and incurved +
short-rectangular +
in large patches +  and 2-stratose +
tetrahedral +, oval +  and spheric +
small;large +
elongate +
Andreaea schofieldiana +
Andreaea +
species +
transverse +  and longitudinal +
thin +  and thick +
greenish brown;brown-black +