63 
Crossosoma 34(2), Fall-Winter 2008 
Harris Point, Nash 41160 (ASU); Bay Point, Nash 41348 (ASU). 
Dimelaena californica (H. Magn.) Sheard - Parasitic, saxicolous. Green 
Mountain, Nash 41229 (ASU). 
Dimelaena radiata (Tuck.) Mull. Arg. - Saxicolous. Lester Point, Nash 41137B, 
41136 (ASU); Green Mountain, Nash 41461, 41396, 41401, 41230 (ASU); lower 
end of Willow Canyon, Nash 41327A (ASU); Willow Canyon, Nash 41256 
(ASU); Harris Point, Nash 41175 (ASU); Devil’s Knoll, Marsh 7879 (ASU); the 
Gangplank, Nash 41094 (ASU). 
Dimelaena weberi Sheard - Saxicolous. The Gangplank, Nash 41095 (ASU). The 
specimen is poor and I am not entirely convinced about the determination but it is 
a rare species expected on the Channel Islands. 
Diploicia canescens (Dickson) A. Massal. - Corticolous. Green Mountain, 
Knudsen 6750, 6694.1 (UCR) Nash 41361 (ASU); lower part of Willow Canyon 
Nash 41301, 41313 (ASU); the Gangplank, Nash 41084 (ASU). 
Diploschistes muscorum (Scop.) R. Sant. - Parasitic on Cladonia , Leprocaulon , 
and Lepraria xerophila. Becoming independent, terricolous. Willow Canyon, 
Knudsen 6966 (UCR). 
Dirina catalinariae Hasse - Saxicolous. SE of Willow Canyon, Nash 41257 
(ASU); Lester Point, Marsh 7910, Nash 41138 (ASU); lower end of Willow 
Canyon, Nash 41329, 41340 (ASU); Willow Canyon, Marsh 8018 (ASU); Green 
Mountain, Nash 41437 (ASU). 
Endocarpon loscosii Miill. Arg. - Terricolous. Upper Willow Canyon, Knudsen 
6950, 6951 (UCR). 
Endocarpon pusillum Hedw. - Terricolous. San Miguel Hill, Knudsen 6701, 
6757 (UCR); along airstrip edge near ranger’s station, Knudsen 6720 (UCR); 
Green Mountain, Knudsen 6690 (UCR); Willow Canyon, Knudsen 6967 (UCR). 
Evernia prunastri (L.) Ach. - Corticolous. Upper Willow Canyon near fox 
kennels. Knudsen 6725 (UCR); Green Mountain, Nash 41476 (ASU); lower part 
of Willow Canyon, Nash 41293 (ASU); San Miguel Hill, Nash 41190 (ASU). 
Flavoparmelia caperata (L.) Hale - Corticolous. Slope above SE beach, Nash 
41103 (ASU); Green Mountain, Nash 41382, 41479, Marsh 7996 (ASU). 
