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habit (young sporophyte)
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Synonyms:
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Cystophyllum geminatum (C. Agardh) J. Agardh, Cystoseira thyrsigera Postels et Ruprecht, Cystoseira thyrsigera var. lepidium Postels et Ruprecht, Cystoseira lepidium (Postels et Ruprecht) Kützing, Cystophyllum lepidium (Postels et Ruprecht) Harvey
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Illustrations:
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Fensholt 1955, p. 308, figs. 7–10 (x-section, development of conceptacle), pp. 314, 316, figs. 35, 36 (photo: oogonial development), figs. 37–39 (paraphyses); Scagel 1967, p. 163, fig. 67a (habit), fig. 67b (vesicles), fig. 67c (receptacle); Waaland 1977, p. 65, fig. 20 (habit)
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Pacific Coast Distribution:
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Morzhovoi Bay, Alaska Peninsula, Alaska to Whidbey I., Wash. (Setchell and Gardner 1903, p. 285)
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Life History:
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uninvestigated, but presumably diplontic, with a diploid thallus producing eggs and antheridia in conceptacles
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Taxonomy:
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Fensholt 1955, p. 313; Nagai 1940, p. 129
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Biology/Ecology:
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R. Lee 1965a, p. 20; R. Lee 1965b, p. 118 ; Widdowson 1965b, p. 1428; Scagel 1961, p. 528; Stephenson and Stephenson 1961b, p. 228; Outram 1957, p. 2
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Epiphytes:
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Coilodesme californica
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Economic Applications:
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Mumford 1980, p. 19
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