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Petroderma maculiforme (Wollny) Kuckuck

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Illustrations:
Abbott and Hollenberg 1976, p. 175, fig. 140 (x-section, unilocular organs); Edelstein and McLachlan 1969, p. 562, figs. 1, 3 (unilocular organs), figs. 9, 12–14 (plurilocular organs), pl. 1, fig. 15 (photo: habit on pebble), figs. 16, 17 (photos: plurilocular organs), figs. 18, 19 (unilocular organs); Fritsch 1945, p. 64, fig. 10h (x-section, plurilocular organs); Hollenberg 1969, p. 300, fig. 30 (x-section, unilocular organs); Wynne 1969a, p. 10, pl. 3, figs. a–f (vegetative development with unilocular organs); p. 67, pl . 3 (photos: cultured plants) Display references
Pacific Coast Distribution:
Washington (Smith I.: Hollenberg 1969, p. 296; Steamboat I.: R. Norris and Wynne 1969, p. 137); Humboldt Bay, Humboldt Co., Calif. (DeCew in HSC); Duxbury Reef, Marin Co., Calif. (Wynne 1969a, p. 9); San Francisco Bay, Calif. (Silva 1979, p. 335); San Mateo Co., Calif. (Moss Beach and Pillar Pt.: Wynne 1969a, p. 9); Monterey Harbor, Monterey Peninsula, Calif. (Wynne 1969a, p. 9) Display references
Life History:
Pacific field plants bear only unilocular organs, which contain zooids that recycle directly. Plurilocular plants have been described from Europe (Wynne 1969a, p. 9; Fletcher 1974) Display references
Biology/Ecology:
Dethier 1987, p. 1841; Wilce et al. 1970 Display references
Pl=plurilocular; U=unilocular; S=sterile
J F M A M J J A S O N D
BRITISH
COLUMBIA
Pl                         Rare, on rocks in the intertidal and subtidal to 60 feet. R. Norris and Wynne 1969, p. 137. Wynne 1969a, p. 9. Harlin 1970, p. 259. Dethier 1987, pp. 1841, 1842. Display references
U xxxx  x          x
S                        
COLUMBIA
RIVER
Pl                        
U                        
S                        
CAPE
ARAGO
Pl                         Rare, on a small pebble in Humboldt Bay (DeCew in HSC).
U      x                
S                        
CAPE
MENDOCINO
Pl                         As a phycobiont of the marine lichen Verrucaria tavaresiae at Shelter Cove (Moe in UC).
U                        
S          x            
POINT
ARENA
Pl                         Free living on rocks (Wynne 1969a, p. 9) and as a phycobiont of the marine lichen Verrucaria tavaresiae (Moe in UC). Display references
U          x        x  
S          x            
SAN
FRANCISCO
Pl                         Rare, as a phycobiont of the marine lichen Verrucaria tavaresiae and free living on rocks and on sheets of polyethylene embedded in the mud in the low intertidal. Wynne 1969a, p. 9. Silva 1979, p. 335. Display references
U xx                    
S        x  xx        

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