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DECEW'S GUIDE

Silvetia compressa ( J. Agardh ) Serr & atilde; o, Cho, Boo, et Brawley
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Synonyms: Pelvetia compressa ( J. Agardh ) DeToni, P. fastigiata ( J. Agardh ) DeToni, P. fastigiata f. gracilis Setchell et Gardner. Illustrations: Abbott and Hollenberg 1976, p. 262, fig. 210 ( habit ), p. 263, fig. 211 ( habit of f. gracilis ); R. Aguilar-Rosas et al. 2002, p. 151, fig. 4 A ( photo: c. s. conceptacle ), 4 B ( photo: mature oogonium and paraphyses ); Smith 1938, pp. 268 & ndash; 272, figs. 151 & ndash; 154 A & ndash; G ( vegetative and reproductive anatomy ) Pacific Coast Distribution: Shelter Cove, Humboldt Co ., Calif. ( DeCew in HSC ); Cormorant Cove, Mendocino Co ., Calif. ( Dawson 1965 a, p. 20 ) to Agua Blanca, Baja Calif. ( R. Aguilar-Rosas et al. 2002, p. 152 ); Channel Is. Calif. ( San Miguel I ., Santa Cruz I.: Littler 1980 b, pp. 273, 275; Santa Rosa I ., Santa Barbara I.: Dawson 1949 a, p. 22; Anacapa I.: Murray and Littler 1989, p. 68; San Nicolas I.: Caplan and Boolootian 1967, p. 209; Santa Catalina I.: Gardner 1917, p. 386; San Clemente I.: Sims 1974, p. 16 ) Taxonomy: R. Aguilar-Rosas et al. 2002; G. Cho et al. 2001; Silva 1996 Molecular Taxonomy: Y. K. Lee et al. 1999; Serr & atilde; o et al. 1999 Life History: diplontic Genetics: Williams and Di Fiori 1996 Biology/Ecology: Speransky et al. 2001; Pearson and Brawley 1998 a; Pearson and Brawley 1998 b; Murray and Gibson 1997; Foster 1992, p. 66; Brawley and Johnson 1991; L & uuml; ning 1990; Murray and Horn 1989, p. 459; Foster et al. 1988, p. 11; McMurtry 1988; Gunnill 1985, p. 151; Steinberg 1985; Gunnill 1984; Oates and Murray 1984 ( as P. fastigiata f. gracilis ); Horn et al. 1983, p. 84; Littler and Arnold 1982 ( as P. fastigiata f. gracilis ); Seapy and Littler 1982; Gunnill 1980 a, p. 239; Gunnill 1980 b; Littler 1980 a, p. 163; Thom 1980 b, p. 105; Littler 1981, p. 401; Emerson and Zedler 1978, p. 317; Littler and Murray 1978, p. 588 ( as P. fastigiata f. gracilis ); Seapy and Littler 1978, p. 298; Caplan and Boolootian 1967, p. 209 Epiphytes: Spongonema tomentosum Cell Biology: Bisgrove et al. 1997 Growth: Str & ouml; mgren 1984 Physiology: Pearson and Brawley 1998 b; Cabello-Pasini and Alberte 1997 Chemistry: Van Alstyne et al. 1999; Hoppe and Levring 1982, p. 15; Dekker et al. 1949

							J	F	M	A	M	J	J	A	S	O	N	D
BRITISH COLUMBIA						Pl													Reports of this taxon in the area ( Scagel 1957, p. 121 ) have not been substantiated by herbarium records.
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COLUMBIA RIVER						Pl													As stated in Doty 1947, p. 45, records from Coos Bay have not been found in UC, OSC, or ORE.
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CAPE ARAGO						Pl
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CAPE MENDOCINO						Pl													Common, on mid intertidal rocks. Dawson 1965 a, p. 20. Kjeldsen 1995, p. 26.
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POINT ARENA						Pl													Abundant, on mid intertidal rocks in moderately to fully exposed habitats. Johansen 1966 a, p. 104. Kjeldsen 1995, p. 26.
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SAN FRANCISCO						Pl													Abundant, everywhere on the Monterey Peninsula, on mid and upper intertidal rocks in exposed habitats; scarce inside San Francisco Bay. Smith 1944, p. 154. Silva 1979, p. 338.
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