Sphacelaria racemosa Greville

in part after Prud'homme van Reine 1982

Illustrations:

Abbott and Hollenberg 1976, p. 219, fig. 182 (cellular detail); Hollenberg 1970a, p. 164, fig. l (branching pattern); Prud'homme van Reine 1982, p. 161, figs. 353, 354 (habit), p. 163, figs. 368, 369 (unilocular organs), p. 164, figs. 371, 372 (unilocular organs), figs. 370, 374 (plurilocular organs). Note: Scagel 1967, p. 85, fig. 28 is not this species, but is S. norrisii

Pacific Coast Distribution:

St. Lawrence I., Bering Sea, Alaska (Setchell and Gardner 1925, p. 81, as S. racemosa var. arctica) to Devil's Gate, Cape Mendocino, Humboldt Co., Calif. (Dawson 1965a, p. 13)

Taxonomy:

Prud'homme van Reine 1982, p. 160

Life History:

unilocular plants are found more common in culture (Prud'homme van Reine 1982, p. 167)

Phenology:

unilocular plants are found in the south, and a mix of unilocular and plurilocular plants are found in the north. Plants reproduce during the winter.

Biology/Ecology:

Burns et al. 1984 (as S. furcigera); Burns et al. 1982 (as S. furcigera); Burns 1981 (as S. furcigera); Dworetzky et al. 1980 (as S. furcigera)

Epiphytes:

Erythrotrichea carnea