appear

Crustose appears as a layer of paint on the surface.

Crustose appears as layers on the surface.

Crustose lichens appears as a layer of paint on the surface.

Crustose lichens appears as layers on the surface.

How do crustose appear?

How do crustose lichens appear?

In what form do crustose appear?

In what form do crustose lichens appear?

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