Crossosoma 34(2), Fall-Winter 2008 
64 
Flavopunctelia flaventior (Sirt.) Hale - Corticolous. San Miguel Hill, Bratt 9035 
(SBBG). 
Heterodermia leucomela (L.) Poelt - Corticolous. Nidever Canyon, Knudsen 
6817 (UCR); campground below ranger’s station, Nash 41 1 19 (ASU); San Miguel 
Hill, Nash 41 193 (ASU). 
Heterodermia namaquana Brusse - Corticolous. Green Mountain, Knudsen 
6749 (UCR); Willow Canyon, Knudsen 6810. 1 (UCR); top of bluff above Harford 
Canyon, Marsh 7995 (ASU); Devil’s Knoll, Marsh 7905 (ASU); NW of Green 
Mountain, Marsh 7974 (ASU). 
Hubbsia parishii (Hasse) Tehler, Lohtander, Myllys & Sundin - Saxicolous. 
Harris Point, Benedict L-47731 (ASU); San Miguel Island, Crayton (ASU); 
Willow Canyon, Marsh 8030 (ASU); lower end of Willow Canyon, Nash 41339 
(ASU); Lester Point, Nash 41150 (ASU); Bay Point, Nash 41353 (ASU). 
Lecanactis californica Tuck. - Corticolous. San Miguel Island, Nash 42082 
(ASU); lower end of Willow Canyon, Nash 41315 (ASU); Green Mountain, Nash 
41411 (ASU). 
Lecanactis salicina Zahlbr. - Corticolous. Slope of San Miguel Hill, s/e of 
ranger’s station, Knudsen 6712 (UCR). 
Lecania brunonis (Tuck.) Herre - Saxicolous. Willow Canyon, Knudsen 6886, 
6914 (UCR); trail to Caldwell Point, Knudsen 6900 (UCR); the Gangplanks, 
Nash 41096 (ASU); Green Mountain, Nash 41403, 41402, 41386, 41234, 41483 
(ASU). 
Lecania dudleyi Herre - Terricolous. Willow Canyon, Knudsen 6674 (UCR); 
Green Mountain, Knudsen 6674 (UCR), Nash 41202 (ASU); San Miguel Hill, 
Nash 41187,41113 (ASU); Harris Point, Nash 41176 (ASU); along trail to Harris 
Point, Nash 41127 (ASU); top of bluff east side of Willow Canyon, Nash 41282 
(ASU). The lichenicolous fungus Toninia subtalprum v.d. Boom occurs on L. 
dudleyi on Santa Rosa Island and in Baja and is expected on San Miguel Island. 
Toninia subdispersa (Nyl. ex Hasse) K. Knudsen also occurs on L. dudleyi. 
Lecania fructigena Zahlbr. - Saxicolous. Green Mountain, Knudsen 6693 (UCR), 
Nash 41232, 41421 (ASU); Willow Canyon, Knudsen 6960. 1, 6969 (UCR), Marsh 
8017 (ASU) ; Nidever Canyon, Knudsen 6877 (UCR); Harris Point, Nash 41170, 
41161, 41421, (ASU); on bluff east of Willow Canyon, Nash 41282 (ASU); long 
