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Alaria fragilis Saunders
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 drawing of Alaria fragilis
habit from Setchell and Gardner 1903
Synonyms:
Alaria fragilis f. bullata Saunders, Alaria tenuifolia Setchell, A. tenuifolia f. amplior Setchell
Illustrations:
Sporophyte: Saunders 1901, pl. 21 ( habit ); Setchell and Gardner 1903, pl. 22, fig. 34 ( habit ), figs. 35 & ndash; 37 ( x-section of stipe and midrib ); Widdowson 1972 a, p. 44, fig. 22: a ( habit of plant from exposed locality ), b ( habit of plant from sheltered locality ), c ( sporophylls of lectotype of A. fragilis ), d ( sporophylls of lectotype of A. fragilis f. bullata ), e ( sporophylls of lectotype of A. tenuifolia f. amplior ), f ( sporophylls of holotype of A. tenuifolia )  Display references
Pacific Coast Distribution:
Attu I ., Aleutian Is ., Alaska to Whidbey I ., Wash. ( Druehl 1969, p. 165 )  Display references
Taxonomy:
see Taxonomic Notes, p. 000; Widdowson 1972 a, p. 42; Widdowson 1972 b  Display references
Molecular Taxonomy:
Kraan and Guiry 2000  Display references
Life History:
alternation of heteromorphic phases, with a macroscopic sporophyte and dioecious microscopic gametophytes ( Robinson and Cole 1971 b )  Display references
Chromosomes:
Robinson and Cole 1971 a; Robinson and Cole 1971 b; Robinson 1967, p. 23  Display references
Biology/Ecology:
L & uuml; ning 1990; Druehl 1970, p. 241; Widdowson 1965 b, p. 1428; Widdowson 1964, p. 71; Scagel 1961, p. 528; Rigg and Miller 1949  Display references
Ultrastructure:
Henry and Cole 1982 a, p. 551; Henry 1980, p. 9  Display references
Chemistry:
Duncan and Harrison 1982, p. 446 ( as Alaria marginata )  Display references
Physiology:
Cole 1964 ( as Alaria sp. ); Schmitz 1984  Display references

Pl =plurilocular; U =unilocular; S =sterile
J F M A M J J A S O N D
BRITISH
COLUMBIA
Pl                         Uncommon, on rocks and wood in the low intertidal and upper subtidal at sheltered sites often associated with strong tidal currents. Scagel 1957, p. 109. Widdowson 1972 a, p. 45.  Display references
U        green dot  green dot  green dot  green dot  green dot  green dot  green dot  green dot  
S          green dot  green dot            
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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