Abbott and Hollenberg 1976, p. 109, fig. 68 (branching pattern and rhizoids); Sakai 1964, pl. VII (photo: habit), p. 51, fig. 23 (branching pattern and rhizoids); Scagel 1966, pl. 46, fig. E (terminal cell of branchlet), pl. 48, fig. B (terminal portion of branchlet), fig. C (branching pattern)
Pacific Coast Distribution:
Neva I., near Chichagof I., Alaska (Lindstrom 1977, p. 22); British Columbia (Langara I., Queen Charlotte Is.: Garbary et al. 1980: 322; Ucluelet and Amphitrite Pt., near entrance to Barkley Sound, Vancouver I.: Scagel 1957, p. 55); Washington (Neah Bay: Scagel 1957, p. 55; Seattle: Thom et al. 1977, p. 269); Oregon (G. Hansen 1997, p. 187); Humboldt Co., Calif. (HSC 3262); Mission Bay, San Diego, Calif. (Collins et al. 1900 [1895–1919], no. 729)
Chromosomes:
Koshizaka 1978
Biology/Ecology:
Thom 1980a, p. 9; Koshizaka 1978; Rigg and Miller 1949
J
F
M
A
M
J
J
A
S
O
N
D
BRITISH COLUMBIA
Repr
Uncommon, on stones and shells, in the low, mid, and upper intertidal. Scagel 1957, p. 55. Scagel 1966, p. 93. Garbary et al. 1980, p. 322.