Scagel 1966, pl. 33, fig. F, G ( vegetative filaments ), fig. H ( cellular detail )
Pacific Coast Distribution:
Alaska ( Norton Sound, Bering Sea; Amaknak I ., Unalaska Bay, Aleutian Is.; Kodiak I ., Gulf of Alaska; near Anchorage, Cook Inlet; Orca, Prince William Sound; Annette I.: Setchell and Gardner 1903, p. 221 ); British Columbia ( Campania I ., Kynoch Inlet, Dufferin I.: Hawkes et al. 1979, p. 88 ); Washington ( Friday Harbor, San Juan I.: Setchell and Gardner 1903, p. 221; Neah Bay: Scagel 1957, p. 52 ); Tomales Bay, Marin Co ., Calif. ( Kjeldsen 1995, pp. 3, 4 ); Bah & iacute; a San Quint & iacute; n, Baja Calif. ( Dawson 1962 b, p. 278 )
Life History:
uninvestigated, but presumably alternation of isomorphic phases, with quadriflagellate zoospores and biflagellate gametes
Biology/Ecology:
Rigg and Miller 1949
J
F
M
A
M
J
J
A
S
O
N
D
BRITISH COLUMBIA
Repr
Common, in tangled masses, throughout the tidal range, often intertwined with other algae in pools and on wood. Scagel 1957, p. 52. Scagel 1966, p. 83. Thom et al. 1977, p. 269. Hawkes et al. 1979, p. 88.
Ster
COLUMBIA RIVER
Repr
Ster
CAPE ARAGO
Repr
Ster
CAPE MENDOCINO
Repr
Ster
POINT ARENA
Repr
Uncommon, dredged and entangled, subtidal. Kjeldsen 1995, pp. 3, 4.