Amphidium californicum

(Hampe ex Müller Hal.) Brotherus in H. G. A. Engler and K. Prantl

in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 215[I,3]: 460. 1902.

EndemicIllustrated
Basionym: Zygodon californicus Hampe ex Müller Hal. Bot. Zeitung (Berlin) 20: 361. 1862
Treatment appears in FNA Volume 28. Treatment on page 39.

Plants 1–4 cm. Stem-leaves linear-lanceolate, 1.5–4 mm; margins recurved, toothed or entire proximally, toothed or notched distally; basal laminal cells yellowish, walls thick; distal cells 9–11 µm, slightly obscured by papillae, papillae elliptic, small. Sexual condition dioicous; perichaetial leaves elongate, narrow, base subsheathing, apex long-pointed. Seta 1.5–2 mm. Capsule immersed to emergent, 1.2–1.6 mm; operculum conic-apiculate, less than diam. of capsule. Spores 10–15 µm.


Habitat: Crevices of neutral to acidic rock
Elevation: moderate elevations

Distribution

V28 43-distribution-map.gif

B.C., Calif., Idaho, Oreg., Wash.

Discussion

Amphidium californicum is distinguished by the linear leaves with notched distal margins. Amphidium lapponicum has decidedly broader leaves and distal cells obscured by large, warty, cuticular papillae.

Selected References

None.

Lower Taxa

None.
... more about "Amphidium californicum"
awned +  and apiculate +
Dale H. Vitt +
(Hampe ex Müller Hal.) Brotherus in H. G. A. Engler and K. Prantl +
not decurrent +
Zygodon californicus +
cucullate +
mid +  and exserted +
constricted +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
differentiated +
short-excurrent +  and percurrent +
B.C. +, Calif. +, Idaho +, Oreg. +  and Wash. +
moderate elevations +
linear-lanceolate +
reflexed +, recurved +  and erect +
striate +  and papillose +
rectangular;elliptic +
connate +
occasional +
Crevices of neutral to acidic rock +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
linear-lanceolate +
flexuose +
not rugose +
linear +  and narrowly lanceolate +
notched +, toothed +, , +  and entire +
dioicous +, autoicous +  and sexual +
rostrate;convex;conic +
mammillose +  and smooth +
dioicous +  and sexual +
2-fid +  and conic +
lateral +  and terminal +
in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. +
sinistrorse +, dextrorse +  and erect +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Endemic +  and Illustrated +
superficial +
Amphidium californicum +
Amphidium +
species +
specialized +
cladautoicous +, pseudautoicous +, dioicous +  and sexual +
incrassate +
olive brown;reddish-brown;olive brown;reddish-brown;dark green +