CENTER FOR PHYCOLOGICAL DOCUMENTATION
DECEW'S GUIDE

Rhizoclonium tortuosum ( Dillwyn ) K & uuml; tzing
	CONTENTS     FIGURES     ABOUT     INDEXES: Reds · Greens · Browns     KEYS: Browns

Synonyms: Chaetomorpha tortuosa ( Dillwyn ) Kleen Illustrations: Blair 1983, p. 200, fig. 12 ( photo: habit ), fig. 13 ( photo: reproductive cell with anisogametes ); Kornmann 1972 a, p. 21, fig. 16 ( photos: vegetative and zoosporangial filaments ), p. 22, fig. 17 A ( zoospores ), fig. 17 B, C ( germlings from zoospores ), fig. 17 D ( gametes ); Kornmann and Sahling 1977, p. 39, fig. 13: A, B ( photos: habit ), C, D ( photos: vegetative filaments ) Pacific Coast Distribution: Alaska ( Unalaska Bay, Aleutian Is.: Setchell and Gardner 1903, p. 221, as Chaetomorpha cannabina ; to Annette I ., Revillagigedo Channel: Saunders 1901, p. 413, as C. cannabina ); British Columbia ( Felix Bay: Blair 1983, p. 199; Barkley Sound, Vancouver I.: Garbary et al. 1985, p. 43 ); Washington ( San Juan I.: Blair 1983, p. 199; Whidbey I.: Setchell and Gardner 1903, p. 223 ); Oregon ( Coos Bay, Coos Co. to Chetco Cove, Curry Co.: Doty 1947, p. 25 ); Duxbury Reef, Marin Co ., Calif. ( Silva 8013 in UC ); Land ' s End, San Francisco, Calif. ( Silva 10160 in UC ); Moss Beach, San Mateo Co ., Calif. ( Blair 1983, p. 199 ); Monterey Peninsula, Calif. ( Smith 1944, p. 62 ); Long Beach, Los Angeles Co ., Calif. ( Blair 1983, p. 199 ); San Elijo Lagoon, San Diego Co ., Calif. ( Hollenberg 1971 b, p. 283 ) Taxonomy: Miyaji 1992; Burrows 1991, p. 175; Blair 1983; Patel 1971 Life History and Morphology: probably alternation of isomorphic phases, with quadriflagellate zoospores and biflagellate isogametes ( Kornmann 1972 a ); vegetative reproduction predominating in nature ( Burrows 1991, pp. 175, 177 ) Chromosomes: Miyaji 1992; Patel 1971; Sinha 1958 Biology/Ecology: Lubchenco 1982

							J	F	M	A	M	J	J	A	S	O	N	D
BRITISH COLUMBIA						Repr													Uncommon, on various algae, in upper and mid intertidal. Scagel 1957, p. 49.
						Ster
COLUMBIA RIVER						Repr													Uncommon, entangled with Neorhodomela larix , forming wooly masses in pools. Doty 1947, p. 25. Sanborn and Doty 1947, p. 26.
						Ster
CAPE ARAGO						Repr
						Ster
CAPE MENDOCINO						Repr
						Ster
POINT ARENA						Repr													Uncommon, entangled with other algae in upper intertidal ( Silva 8013 in UC ).
						Ster
SAN FRANCISCO						Repr													Uncommon, entangled in dense stands of Corallina vancouveriensis and Bossiella plumosa in mid intertidal at river mouth; on boulder tops entangled with Mazzaella and Endocladia in long strandy masses. Smith 1944, p. 62.
						Ster