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Myrionema balticum (Reinke) Foslie

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drawing of Myrionema balticum
from Setchell and Gardner 1922a
Synonyms:
Phycocelis balticum (Reinke) Foslie, Myrionema balticum f. pedicellatum Setchell et Gardner; M. balticum f. californicum Setchell et Gardner; M. attenuatum Setchell et Gardner; M. attenuatum f. doliforme Setchell et Gardner
Illustrations:
Abbott and Hollenberg 1976, p. 159, fig. 122 (plurilocular plant); Loiseaux 1970b, p. 250, fig. l (habit, morphological variation); Setchell and Gardner 1922a, pl. 33, figs. 11, 12 (plurilocular plant), pl. 34, figs. 6, 7 (plurilocular plant), figs. 4, 5 (plurilocular organs) Display references
Pacific Coast Distribution:
Sitka, Alaska (Setchell and Gardner 1903, p. 239, as Phycocelis baltica); Trinidad, Humboldt Co., Calif. (Dawson 1965a, p. 13); Bodega Head, Sonoma Co., Calif. (Kjeldsen 1995, p. 25); Moss Beach, San Mateo Co., Calif. (Loiseaux 1970b, p. 249); Monterey Peninsula, California (Smith 1944, p. 106) Display references
Taxonomy:
Loiseaux 1970b, p. 248 Display references
Life History:
microscopic field plants with uniseriate plurilocular organs bore zooids which gave rise to germlings which grew into microscopic discs. Uniseriate filaments grew from these discs, many of which differentiated into uniseriate plurilocular organs identical to the parent plants. Upon discharge, these organs were replaced with pluriseriate plurilocular organs. The life history appears to be asexual via a direct recycling (Loiseaux 1970b, p. 248) Display references
Phenology:
only plurilocular plants known

 
J F M A M J J A S O N D
BRITISH
COLUMBIA
Pl                        
U                        
S                        
COLUMBIA
RIVER
Pl                        
U                        
S                        
CAPE
ARAGO
Pl            x           Uncommon, subtidal epiphyte on Pterygophora stipes. Dawson 1965a, p. 13. Display references
U                        
S            x          
CAPE
MENDOCINO
Pl                        
U                        
S                        
POINT
ARENA
Pl        x      x       Common, subtidal epiphyte on the blades of Laminaria setchellii in moderately exposed habitat. Johansen 1966a, p. 9. Kjeldsen 1995, p. 25. Display references
U                        
S        x  x  x      
SAN
FRANCISCO
Pl x        x    x    x Uncommon, subtidal epiphyte on the stipes of Macrocystis, Laminaria, and the base of Mazzaella corymbifera and outer ends of Phyllospadix leaves. Smith 1944, pp. 105, 107. Display references
U                        
S                        

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