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Lichens Type Index

Lichens
Cladonia

Crustose or squamulose primary thallus followed by a secondary fruticose thallus comprised of hollow stalk-like podetia (stalk-like fruiting bodies) with fruiting bodies at the tips.

Lichens
Crustose

Thick or thin crusts firmly attached to the substrate. Placodioid lichens are crustose but lobed at the margins and leprose lichens have a powdery appearance.

Lichens
Foliose

Leaf-like lobes usually attached to the substrate by rhizines (root-like outgrowth of fungal filaments).

Lichens
Fruticose

Tufted and shrubby, erect or pendant and attached to the substrate at a single point. Filamentous lichens are soft and hair-like.