SriLankaLichens_Book_eng - page 33

33
103
Lower surface with a
broad bare white zone;
lobes rather suberect.
Medulla with
protolichesterinic acid
Parmotrema
hababianum
(Gyelnik) Hale
103
Lower surface light
brown to black, rarely
with mottled white
areas at the margin.
Medulla whithout
protolichesterinic acid
104
104 Thallus without
marginal cilia
Parmotrema
praesorediosum
(Nyl.) Hale
104
Thallus with sparse to
abundant marginal
cilia.
105
105
Medulla C+ rose/red,
UV- (gyrophoric or
lecanoric acid)
106
105
Medulla C-, UV+
blue-white (alectoronic
and α–collatolic acids)
107
106
Soredia farinose.
Medulla with
gyrophoric acid
Parmotrema
sancti–angelii
(Lynge) Hale