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Hincksia granulosa (J. E. Smith) Silva

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drawing of Hincksia granulosa
plurilocular plant and plurilocular detail
Synonyms:
Ectocarpus granulosus (J. E. Smith) C. Agardh, Giffordia granulosa (J. E. Smith) Hamel, E. oviger Harvey, G. oviger (Harvey) Hollenberg et Abbott
Illustrations:
Abbott and Hollenberg 1976, p. 142, fig. 103 (plurilocular plant); Apt et al. 1988, p. 60, fig. 17 (photomicrograph: habit, plant with plurilocular sporangia); Cardinal 1964, fig. 19a, b (branching pattern), fig. 19c (cellular detail), figs. 19d, f, h, j (plurilocular plant), figs. 19e, g (plurilocular organs); Fletcher 1981, p. 214, fig. 1 (photo: habit), figs. 2–4 (photos: developing germlings), figs. 5–11 (photos: developing rhizoids and basal system); Smith 1944, pl. 11, fig. 1 (plurilocular plant), fig. 2 (plurilocular organ); W. Taylor 1937, pl. 7, fig. 7 (plurilocular plant), fig. 8 (plurilocular detail) Display references
Pacific Coast Distribution:
Victoria, Esquimalt, British Columbia (Scagel 1957, p. 70) to Puget Sound, Wash. (Scagel 1957, p. 70); Oregon (Arch Cape, Clatsop Co.: Markham and Celestino 1977, p. 258; Coos Bay; Cape Arago: Doty 1947, p. 31); Humboldt Bay, Calif. (DeCew in HSC); Tomales Pt. and Tomales Bay, Marin Co., Calif. (Kjeldsen 1995, p. 23); San Francisco Bay, Calif. (Kjeldsen 1995, p. 23); Monterey Peninsula, Calif. (Smith 1944, p. 81); San Luis Obispo Co., Calif. (Sparling 1977, p. 34) to San Juan Capistrano, Orange Co., Calif. (UC 507563); Channel Is., Calif. (Santa Cruz I.: Apt et al. p. 41; San Nicolas I., Santa Catalina I.: Murray 1974, p. 40); Baja Calif. (Punta Descanso: Dawson 1953b, p. 111; Cabo Thurloe: Dawson 1960a, p. 36) Display references
Chemical Taxonomy:
Müller and Eichenberger 1994 Display references
Life History:
only plurangial plants reported for the Pacific coast. In England, plurilocular plants are the most dominant, with only an occasional unilocular plant. Isolates bearing plurilocular organs released zooids which settled without fusing and grew into plants like the parent, bearing plurilocular organs. On only one occasion was a unilocular plant observed in culture (Fletcher 1981). In Australia, field plants with plurilocular organs recycled directly in the same manner as the English plants (Clayton 1974) Display references
Phenology:
spring/summer annual
Biology/Ecology:
Fletcher 1981; Devinny 1978, p. 358; Aleem 1973, p. 88 Display references

 
J F M A M J J A S O N D
BRITISH
COLUMBIA
Pl    xxxxxx         Uncommon, on stones in pools, the low intertidal, and upper subtidal, and as an epiphyte on Desmarestia and the stipe of Nereocystis. Scagel 1957, pp. 69, 76. Display references
U                        
S            x          
COLUMBIA
RIVER
Pl    x    xx           Common on rock, buoys, wood, in pools, in the low intertidal, and upper subtidal, epiphytic on larger brown algae. Doty 1947, p. 31. Sanborn and Doty 1947, p. 27. Markham and Celestino 1977, p. 258. Display references
U                        
S                        
CAPE
ARAGO
Pl      x  x  x         Uncommon, in bays, on rocks in pools and the low intertidal. (DeCew in HSC). (HSC 4342).
U                        
S                        
CAPE
MENDOCINO
Pl                        
U                        
S                        
POINT
ARENA
Pl    x    x             Uncommon, in the low intertidal, on rocks or as an epiphyte. Kjeldsen 1995, p. 23. Display references
U                        
S                        
SAN
FRANCISCO
Pl  x    xxxx         Uncommon, in pools and the low intertidal and subtidal to 35 feet, on rocks and as an epiphyte on larger algae. Smith 1944, p. 81. Display references
U                        
S                        

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Page dated: Mon Feb 13 21:24:26 2006
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