REMAINING (number with state) Apothecia disk color Brown (29) Black (11) Red (8) White (6) Blue-gray (3) Gray (3) Green (1) Yellow (1) Apothecia form Disk, margin (42) None (28) Stalk (16) Cup (12) Lirellae (7) Perithecium (7) Disk, no margin (4) Disk, sunken (2) Apothecia rim color Gray (16) Green (10) Black (5) White (4) Yellow (1) Branch cross-section Round (6) Flat (2) Chlorine turns medulla No (69) Pink (3) Red (3) Cilia None (100) Unbranched (19) Branched (3) Distinctive color Green (67) Grey (65) Brown (10) White (9) Black (8) Yellow (7) Red (1) Thallus not or barely visible (1) Form Crust (55) Leaf (43) Scale (16) Stalk (14) Bush (9) Other (2) Habitat Bark (81) Siliceous rock (29) Sand or soil (16) Wood (7) Conifers (2) Carbonate rock (1) Isidia None (106) Present (14) Ciliate (3) KOH followed by Chlorine turns medula No reaction (66) Red (4) Purple (3) Pink (2) KOH turns medulla No reaction (51) Yellow (13) Yellow turning red (11) Blood red (2) Pinkish brown (2) Purple (2) Lobe surface pattern Solid (58) Strongly ridged and wrinkled (3) Reticulate cracks (2) With white spots pseudocyphellae (2) White lines (1) Lobe width at narrowest Under 5mm (17) Over 5mm (7) Lobules present No (67) Yes (5) Medulla color White (59) Yellow (4) Red-orange (3) Photo No (82) Yes (38) Pycnidia None (32) Black, surface (12) Brown (10) Red (6) Soralia position None (90) Edge (13) Top (13) Stalk (7) Diffuse (6) Tips of lobes (5) Scales (1) Soredia color White (16) Green (13) Yellow (3) Blue-gray (1) Stalk shape Branch (11) Cup (3) Point (2) Thallus underside color Black (24) White (16) White at edge, black at center (4) Uniformly brown (3) Orange (2) UV light on cortex glows No reaction (74) Yellow (2) UV light on medulla glows No (73) Blue/White (1) Orange (1) Yellow (1)