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0 0 Opegrapha Lichen

Opegrapha Lichen

by MachiCity of Gainesville Municipal Boundaries, Florida, USA

White-gray thallus, black splotches.

3 5 Trentepohlia (alga)

Trentepohlia (alga)

by AntónioGinjaGinjaBraga, Portugal

"secret writing" crustose lichen genera Graphis, Graphina, Gyalecta and

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