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Pilayella littoralis (Linnaeus) Kjellman

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drawing of Pilayella littoralis
plant with unilocular organs from Setchell and Gardner 1925
Illustrations:
Abbott and Hollenberg 1976, p. 147, fig. 109 (microscopic detail, plurilocular plant); Cardinal 1964, pl. 1, figs. a, c, f, h, j (branching pattern), fig. b (vegetative detail), fig. d (unilocular detail), figs. e, g, k, l (plurilocular detail); Müller and Stache 1989, p. 75, figs. 6, 7, 8 (photos: various isolates with unilocular and plurilocular organs); Scagel 1967, p. 79, fig. 25a (habit), fig. 25b (branching pattern), fig. 25c (cellular detail), fig. 25d (plurilocular detail, as Pylaiella littoralis); Setchell and Gardner 1925, pl. 37, fig. 32 (unilocular detail, as Pylaiella littoralis); Wilce et al. 1982, p. 341, fig. 7 (vegetative habit), p. 343, figs. 9, 10 (rhizoidal bases), p. 346, figs. 11–17 (unilocular and plurilocular organs) Display references
Pacific Coast Distribution:
St. Lawrence I., Bering Sea (Setchell and Gardner 1925, p. 402, as Pylaiella littoralis) to Trinidad, Humboldt Co., Calif. (Dawson 1965a, p. 11, as Pylaiella littoralis); Belvedere, Marin Co., Calif. (MBG 1018573) to Monterey Peninsula, Calif. (Smith 1944, p. 93, as Pylaiella littoralis); Channel Is., Calif. (San Clemente I.: Miller in UC); San Pedro, Los Angeles Co., Calif. (Smith 1944, p. 93, as Pylaiella littoralis) Display references
Taxonomy:
Siemer and Pedersen 1995; Bolton 1979 Display references
Molecular Taxonomy:
Stache-Crain et al. 1997 Display references
Life History:
Field plants with unilocular organs bore zooids which germinated and grew into plants identical to field collected specimens through successive generations: (West 1967, Washington state); free living Pilayella balls, and much vegetative fragmentation: (Wilce et al. 1982, east coast Atlantic); unilocular and plurilocular plants recycle in culture, with no sex: (Nygren 1979, Sweden); Field plants with unilocular and plurilocular organs recycle directly without sex: (Müller and Stache 1989, Germany, Ireland, and Chile); (also see Pedersen 1984) Display references
Chromosomes:
Nygren 1979; Müller and Stache 1989; Cole 1967b, p. 522 Display references
Biology/Ecology:
Santelices 1992, p. 369; Lüning 1990; Sibert 1982, p. 209; Pomeroy and Levings 1980, p. 3; Prange 1978; Pomeroy 1977, p. 42; Prange 1976, p. 94; Pomeroy and Stockner 1976, p. 1179; Scagel 1961, p. 528 Display references
Ultrastructure:
Kerby and Evans 1981; Kerby and Evans 1978; Markey and Wilce 1976a; Markey and Wilce 1976b; Markey and Wilce 1975 Display references
Physiology:
Maier et al. 1998; R. Schmid et al. 1994 Prahl 1979, p. 166 Display references
Chemistry:
Ragan and Glombitza 1986; Kerby and Evans 1981; Ragan 1981, p. 614; R. Reed 1980; Ragan and Jensen 1979; Rönnerstrand 1943, p. 48 Display references

Pl=plurilocular; U=unilocular; S=sterile
J F M A M J J A S O N D
BRITISH
COLUMBIA
Pl  xx  xxx           Uncommon, on rocks, wood, and other algae in the mid and low intertidal in fully sheltered habitats. Scagel 1957, p. 66. Scagel 1973, p. 134. Hawkes et al. 1979, p. 94. Display references
U  xxxxxxx        
S  x                    
COLUMBIA
RIVER
Pl            x           Uncommon, in mid intertidal on woodwork and on Fucus. Doty 1947, p. 32. Display references
U    x  xxx          
S                  x    
CAPE
ARAGO
Pl                         Uncommon, epiphyte on Fucus and on high, shaded rocks. Dawson 1965a, p. 11. Markham and Celestino 1977, p. 259 (as P. littoralis f. littoralis, and P. littoralis f. rupicola). Display references
U      x        xxx  
S          xx          
CAPE
MENDOCINO
Pl                        
U                        
S                        
POINT
ARENA
Pl    xx                 Rare, on Fucus. (UC 402193, MBG 1018573).
U    xx                
S                        
SAN
FRANCISCO
Pl          x             On the bottom of a fishing boat, or forming tufts of profusely branched filaments on wood, stones or other algae. Smith 1944, p. 93. Silva 1979, p. 332. Display references
U          x            
S      x  x            

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