Guide page for Sphacelaria plumigera Holmes

Sphacelaria plumigera Holmes
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in part after Prud'homme van Reine 1982

Illustrations:: Kitayama 1994, p. 47, 48, fig. 3 (photo: habit in nature), p. 50, fig. 5 (photos: habit, plants in culture with unilocular and plurilocular sporangia); Prud'homme van Reine 1982, p. 132, figs. 264, 265, 269 (habit), p. 136, figs. 304, 305 (unilocular organs), figs. 302, 303, 306 (plurilocular organs)
Pacific Coast Distribution:: Devils Punch Bowl, Marine Gardens, Lincoln Co., Oregon (Henry in OSC, Lyford in OSC, Lopes in OSC, Phinney in OSC); Trinidad, Humboldt Co., Calif. (HSC 5250)
Taxonomy:: Kitayama 1994; Prud'homme van Reine 1982, p. 131
Life History:: unknown; unilocular and plurilocular organs occurring in Europe, mostly on the same plant; no specialized propagules, vegetative reproduction by fragmentation (Prud'homme van Reine 1982, pp. 143–145)
Phenology:: fertile in winter and early spring in Europe, but only sterile and plurilocular plants known from our coast


`BRITISH COLUMBIA`	`Pl`
	`U`
	`S`
`COLUMBIA RIVER`	`Pl`	Rare, on tops of boulders in sand-choked areas and in bed of Acrosiphonia coalita in the mid to upper intertidal (Henry in OSC, Lyford in OSC, Lopes in OSC, Phinney in OSC).
	`U`
	`S`
`CAPE ARAGO`	`Pl`	Rare, on a rock wall mixed with Endocladia in the upper intertidal (HSC 5250); Hansen 1997, p. 191.
	`U`
	`S`
`CAPE MENDOCINO`	`Pl`
	`U`
	`S`
`POINT ARENA`	`Pl`
	`U`
	`S`
`SAN FRANCISCO`	`Pl`
	`U`
	`S`

Sphacelaria plumigera Holmes