1. Lichen is classified into Crustose, foliose and fruticose species

2. Orange Crustose Lichen Candelina submexicana Candelina submexicana orange Crustose lichen interspersed with Circinaria caesiocinerea Crustose lichen (light gray), Collema fuscovirens foliose lichen (black) and tiny bits of Caloplaca foliose lichen (yellow)

3. Squamulose: scaly lichens made of numerous small rounded lobes, intermediate between foliose and Crustose lichens.

4. Crustose lichens Foliose and fruticose lichens are clearly three dimensional and show much obvious variation in form.

5. Definition of Crustose : having a thin thallus adhering closely to a substrate (as of rock, bark, or soil) Crustose lichens — compare foliose, fruticose First Known Use of …

6. 44% that reproduce primarily through sexual ascospores; iii) comprised of 65% Crustose taxa, 29% foliose taxa, and 6% fruticose taxa: iv) one wherein many species arc rare (e.g., 55% of species were collected fewer than three times) and frulicose lichens other than Cladonia were entirely absent; and v) one wherein cyanolichens were poorly