SriLankaLichens_Book_eng - page 36

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114 Medulla K+ yellow or
K+ yellow turning red
Hypotrachyna
crenata (Kurok.)
Hale
114 Medulla K-
Hypotrachyna
imbricatula
(Zahlbr.) Hale
115
Medulla K+ yellow
turning red (salazinic
acid)
Parmelinella
wallichiana
(Taylor) Elix &
Hale
115 Medulla K- or K+
dirty brown 116
116
Lower surface with a
broad marginal zone
without rhizines.
Lobes 4-20 mm wide
Parmotrema
tinctorum (Nyl.)
Hale
116
Lower surface
rhizinate to margins or
with a narrow
marginal zone without
rhizines. Lobes 0.5-4(-
5) mm wide
117