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habit, branch tip, and x.s.
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Synonyms:
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Dictyosiphon sinicola Gardner
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Illustrations:
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Sporophyte: Gardner 1940, pl. 31 (photo: habit) Setchell and Gardner 1925, pl. 40, fig. 47 (habit), fig. 48 (branch tip), fig. 49 (unilocular sporangia); Peters and Müller 1985, p. 443, fig. 1 (photo: habit), figs. 9, 10 (photos: young protonemal plants). Gametophytes: Peters and Müller 1985, p. 443 fig. 2 (photo: plurilocular plant)
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Pacific Coast Distribution:
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Amchitka I., Aleutian Is., Alaska (Lebednik and Palmisano 1977, p. 360) to Friday Harbor, San Juan I., Wash. (Setchell and Gardner 1903, p. 248, as D. chordaria f. gelatinosa); Cape Blanco, Ore. (G. Hansen 1997, p. 189)
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Life History:
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alternation of heteromorphic phases. Isolates from Sweden and Newfoundland had a macroscopic sporophyte with unilocular organs which bore zoospores which germinated to form dioecious microscopic filaments with plurilocular gametangia. Zygotes and unfused isogametes gave rise to filamentous protonemas from which grew macroscopic plants similar to field sporophytes (Saga 1986; Peters and Müller 1985; Arasaki 1949)
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Chromosomes:
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Cole 1967b, p. 522
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Biology/Ecology:
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Lüning 1990
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Physiology:
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Lüning 1990
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Chemistry:
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Ragan and Glombitza 1986
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