20
Linear pseudocyphellae of
Ramalina
.
Reticulate pseudocyphellae of
Parmotrema reticulatum
.
Cyphellae
: large holes on the underside of the thallus in the genus
Sticta
, with a complex anatomy.
Fibrils and cilia
: they are arranged at the edge of the lobes. They can be black , like in some species
of
Heterodermia
...and in some species of
Parmotrema
...
