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Syringoderma abyssicola (Setchell et Gardner) Levring

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drawing of Syringoderma abyssicola
from Setchell and Gardner 1925
Synonyms:
Chlanidophora abyssicola Setchell et Gardner
Illustrations:
Abbott and Hollenberg 1976, p. 211, fig. 174 (habit); Kawai and Yamada 1990, p. 327, figs. 1–8 (photos: habit and anatomy of field plants), p. 329, figs. 9–22 (photos: growth and reproduction in culture); Setchell and Gardner 1925, pl. 50, fig. 1 (habit), figs. 2, 3 ("aplanosporangia"), figs. 4 (surface view, meristematic margin), figs. 5–7 (vegetative sections of blade); Wynne 1972a, p. 130, figs. 1, 2 (surface view, meristematic margin) Display references
Pacific Coast Distribution:
Juneau, Alaska (Lindstrom et al. 1986, p. 5); British Columbia (Portland Canal to Belize Inlet, including Queen Charlotte Is.: Hawkes et al. 1979, p. 95; Vancouver I., [Barkley Sound: Hawkes et al. 1979, p. 112; Port Renfrew: Foreman et al. 1973, p. 268]; Bath I., near Gabriola I., Strait of Georgia: Foreman et al. 1973, p. 268); Washington (San Juan I. and Hein Bank: Scagel 1957, p. 74); Humboldt Co., Calif. (Luffenholtz Beach and Trinidad Bay: Dawson 1965a, p. 19); Fort Bragg, Mendocino Co., Calif. (HSC 6620) Display references
Taxonomy:
Henry 1984; Wynne 1972a, p. 131 Display references
Life History:
alternation of heteromorphic phases, with a macroscopic sporophyte and cytologically interpreted endosporic gametophytes, the contents of a unilocular sporangium dividing into 8 to 16 flagellated but essentially nonmotile cells, each of which secretes a wall and then forms tetrads of presumed gametes; syngamy was not observed; presumed zygote developing into branched filaments which coalesce to form a blade (Kawai and Yamada 1990) Display references
Morphology:
Henry 1984; Henry 1979; Walker and Henry 1978; Wynne 1969a, p. 12 Display references

 
J F M A M J J A S O N D
BRITISH
COLUMBIA
Pl                         Rare, on subtidal stones, to 15 fathoms, always found on steep (50–90 degrees), shaded sides of boulders or bedrock, in extensive patches of thousands of individuals. Scagel 1957, p. 74. Hawkes et al. 1979, pp. 95, 111. Display references
U                        
S          xxx        
COLUMBIA
RIVER
Pl                        
U                        
S                        
CAPE
ARAGO
Pl                         Rare, on rocks and shells, in pools, low intertidal. Dawson 1965a, p. 19. Display references
U                        
S            x          
CAPE
MENDOCINO
Pl                         Rare, on rocks. (HSC 06620).
U                        
S                      x
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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