SriLankaLichens_Book_eng - page 12

12
20 Thallus orange, K+ red
Teloschistes
flavicans (Sw.)
Norman
20 Thallus grey to green 21
21 Thallus yellowish
green to greenish 22
21 Thallus white, grey or
brown 23
22 Thallus flattened
Ramalina
conduplicans
Vain.
22 Thallus thread-like Ramalina usnea
(L.) R. Howe
23
Thallus consisting of
pseudopodetia which
are densely covered by
granular or leaf-like
structures
(phyllocladia)
24
23
Thallus not densely
covered by
phyllocladia
25
24 Phyllocladia granular
to cylindrical
Stereocaulon
austroindicum
I.M. Lamb.