Lichens as pollution monitors
| Lichens as pollution monitors | |||
| Pollution Zone I | Pollution Zone II | Pollution Zone II | Pollution Zone II |
| Lecidea granifera Parmelia Caperata Beacidia convexula | Lecidea granifera Parmelia Caperata Pyrenula nitida Graphis scripta | Lecidea granifera Parmelia Caperata Pyrenula nitida Graphis scripta Lecanactis premnea Arthania antillarum Catilaria indica | Lecidea granifera Parmelia Caperata Pyrenula nitida Graphis scripta Lecanactis premnea Arthania antillarum Catilaria indica Trypethelium tropicum Gyrostomum scyphiliferum Phaeographis leprosulans Ramalina caricaris |