description Caloplaca flavescens Overview
Caloplaca flavescens is a saxicolous, calcicolous lichen in the orange or yellow-orange group of crustose lichens traditionally placed in the genus Caloplaca. It grows on exposed calcareous rock, especially limestone, where its colored thallus and reproductive structures form visible patches. The species is relevant to field lichen identification and to studies of lichen colonization on stone surfaces.
help Caloplaca flavescens FAQ
What color is Caloplaca flavescens?
Caloplaca flavescens is a bright orange-yellow crustose lichen. Its vivid color can stand out strongly against pale calcareous stone.
Where does Caloplaca flavescens usually grow?
It heavily colonizes calcareous stone, including limestone and similar mineral surfaces. It is notably associated with European monuments where the lichen can alter the stone’s appearance.
Can Caloplaca flavescens damage historic monuments?
It is associated with aesthetic biodeterioration on European monuments. The main visible effect described for this lichen is discoloration and surface colonization of calcareous stone.
Is Caloplaca flavescens a crustose or leafy lichen?
It is a crustose lichen, meaning it grows tightly against the surface. Its orange-yellow crust commonly appears on calcareous stone rather than forming leafy branches.
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