Amphidium californicum

(Hampe ex Müller Hal.) Brotherus

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

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


V28 43-distribution-map.gif

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


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


Lower Taxa

... more about "Amphidium californicum"
Dale H. Vitt +
(Hampe ex Müller Hal.) Brotherus +
Zygodon californicus +
B.C. +, Calif. +, Idaho +, Oreg. +  and Wash. +
moderate elevations +
Crevices of neutral to acidic rock +
in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. +
Endemic +  and Illustrated +
Amphidium californicum +
Amphidium +
species +