Crossosoma 34(2), Fall-Winter 2008 
68 
Nash 41172 (ASU); Green Mountain, Marsh 7979 (ASU). 
Niebla robusta (R. Howe) Rundel - Saxicolous. Devil’s Knoll, Marsh 7901 
(ASU); Willow Canyon, Marsh 8032 (ASU); Bay Point, Marsh 8035 (ASU). 
Opegrapha atra Pers. - Corticolous. Lower end of Willow Canyon, Nash 41289, 
41317 (ASU). 
Opegrapha brattiae Egea & Ertz - Saxicolous. Beach near mouth of Willow 
Canyon, Knudsen 6920.1 (UCR); N side of Harris Point, Nash 41164 (ASU). 
Opegrapha herbarum Mont. - Corticolous, Saxicolous. Near ranger’s station, 
Knudsen 6714 (UCR); Cuyler Harbor, Knudsen 6895 (UCR); Nidever Canyon, 
Knudsen 6891 (UCR). 
Parmotrema hypoleucinum (J. Steiner) Hale - Corticolous. Campground below 
ranger’s station, Nash 41120 (ASU). 
Parmotrema perlatum (Hudson) M. Choisy, syn. P. chinense Hale - Corticolous. 
San Miguel Hill, Knudsen 6784 (UCR), Nash 41191, 41390, 41109 (ASU); near 
ranger’s station, Knudsen 6711 (UCR); Green Mountain, Nash 41471, 41470 
(ASU). 
Pertusaria brattiae Lumbsch & T.H. Nash - Saxicolous. Willow Canyon, 
Knudsen 6913 (UCR); Nidever Canyon, Knudsen 6819 (UCR); side canyon SE 
of Willow Canyon, Nash 41263 (ASU): Green Mountain, Nash 41408, 41240 
(ASU); Lester Point, Nash 41146 (ASU). 
Pertusaria chiodectonoides Bagl. ex A. Massal. - Saxicolous. Between Caldwell 
Point and Willow Canyon, Knudsen 6904 (UCR). 
Pertusaria flavicunda Tuck. - Saxicolous. Green Mountain, Nash 41410 (ASU). 
Pertusaria islandica Bratt, Lumbsch & Schmitt - Saxicolous. Trail between 
Caldwell Point & Willow Canyon, Knudsen 6906 (UCR); lower Willow Canyon, 
Nash 41307, 41330 (ASU). (Schmitt, Lumbsch, Bratt 2006). 
Pertusaria occidentalis Bratt, Lumbsch & Schmitt - Saxicolous. San Miguel 
Hill, Knudsen 6787 (UCR). (Schmitt, Lumbsch, Bratt 2006). 
Phaeophyscia hirsuta (Mereschk.) Essl. - Corticolous, saxicolous. Green 
