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Ulva stenophylla Setchell et Gardner

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drawing of Ulva stenophylla
"x.s. after Doty 1947, surface after Setchell and Gardner 1920b"
Illustrations:
Abbott and Hollenberg 1976, p. 86, fig. 42 (habit); J. Phillips 1989, p. 422, fig. 5 (photos: habit, plants of various ages and habitats), p. 449, fig. 27: a (photo: holotype), b (photo: isotype), p. 451, fig. 28: a–d (photos: surface views, various portions of plant), f–i (photos: x-sections, various portions of plant), p. 452, fig. 29: a (photo: gametes), b (photo: zoospores), c–g (photos: development of plants in culture); Setchell and Gardner, 1920b, pl. 21, fig. 2 (photo: surface of vegetative plant), pl. 24 (photo: holotype); Smith 1947, p. 82, figs. 7–13 (zoospores, anisogametes, zygote) Display references
Pacific Coast Distribution:
Vancouver I., British Columbia (Barkley Sound: Tanner 1979, p. 78; Glacier Pt.: R. Lee 1965b, p. 118); Oregon (Phinney 1977, p. 102); Fort Bragg, Mendocino Co., Calif. (Kjeldsen 1995, p. 13); Sonoma Co., Calif. (Shell Beach, Bodega Head, and Estero Americano: Kjeldsen 1995, pp. 12–13); Marin Co., Calif. (Dillon Beach: Kjeldsen 1995, p. 13; Bolinas: Smith 1944, p. 47); Monterey, Calif. (Smith 1944, p. 47). Note: Doty 6126 (in UC) from Chetco Cove, Curry Co., Ore., reported by Doty (1947, p. 10) as U. stenophylla, is U. fenestrata according to Tanner's annotation. Doty 4039 (in UC) from Big Sur, Monterey Co., Calif., was also reported by Doty as U. stenophylla but is probably not that species. Display references
Taxonomy:
J. Phillips 1989, p. 452; Tanner 1979, p. 78; Setchell and Gardner 1920b, p. 271 Display references
Life History:
alternation of isomorphic phases, with the sporophyte producing quadriflagellate zoospores and unisexual gametophytes producing biflagellate anisogametes; male and female gametes capable of parthenogenetic development mostly of gametophytes, less commonly of sporophytes (J. Phillips 1990; Smith 1947) Display references
Biology/Ecology:
R. Lee 1965b, p. 118 Display references

 
J F M A M J J A S O N D
BRITISH
COLUMBIA
Repr                         Rare, on rocks. Tanner 1979, p. 78. Display references
Ster                        
                       
COLUMBIA
RIVER
Repr                        
Ster                        
                       
CAPE
ARAGO
Repr                        
Ster                        
                       
CAPE
MENDOCINO
Repr                         Rare, on rocks. Kjeldsen 1995, pp. 12, 13. Display references
Ster        x    xx      
                       
POINT
ARENA
Repr        x               Rare, on rocks. Kjeldsen 1995, pp. 12, 13. Display references
Ster  xx  xx            
                       
SAN
FRANCISCO
Repr                    xx Rare, on rocks, low intertidal. Smith 1944, p. 47. Abundant on the Monterey Peninsula. Abbott and Hollenberg 1976, p. 87. Display references
Ster                        
                       

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Page dated: Mon Feb 13 21:24:48 2006
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