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Leptonematella fasciculata (Reinke) Silva

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drawing of Leptonematella fasciculata
Illustrations:
Pedersen 1978, p. 64, figs. 12, 13 (photos: unilocular sporangia mixed with assimilatory filaments), figs. 14–16 (photos: plurilocular organs); Wynne 1969a, p. 12, fig. 4a–c (vegetative and plurilocular filaments), p. 68, pl. 4 (photos: vegetative and plurilocular filaments) Display references
Pacific Coast Distribution:
Alaska (Smith I., Prince William Sound: G. Hansen et al. 1982, p. 116; Juneau: Lindstrom et al. 1986, p. 5) to Salmon Bank, San Juan I., Washington (Wynne 1969a, p. 12) Display references
Life History:
microscopic upright filaments with plurilocular organs bear zooids which without copulation germinate to form uniseriate branched filaments, which form an extensive basal system. Erect assimilatory filaments arise from the basal system which bear plurilocular organs similar to the parent plants. Plurilocular organs can also form on the basal system. Zooids from these continue to form new generation of plants. Occasionally unilocular organs form at the base of the assimilatory filaments. No sex was observed in any isolate (Pedersen 1978; Wynne 1969a; Dangeard 1966) Display references

 
J F M A M J J A S O N D
BRITISH
COLUMBIA
Pl      x    x           Rare, on rocks from five to seven fathoms. Wynne 1969a, p. 12. Display references
U      x                
S                        
COLUMBIA
RIVER
Pl                        
U                        
S                        
CAPE
ARAGO
Pl                        
U                        
S                        
CAPE
MENDOCINO
Pl                        
U                        
S                        
POINT
ARENA
Pl                        
U                        
S                        
SAN
FRANCISCO
Pl                        
U                        
S                        

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