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… by genus: Ramalina

Genus Ramalina

Latin: ramas means branch. This shrubby or fruticose group has erect or pendulous thalli. The branches are flattened and rather stiff and grow from a holdfast. Branches may have ridges or grooves with fenestrations, papillae and pseudocyphellae. Photobiont is Trebouxioid. Colour varies from pale green though yellow-grey to white-grey. Apothecia and soralia are common. Apothecia are usually concave or flat and often pruinose; mature apothecia may be convex. They tend to grow on bark, but may grow on rocks in areas influenced by the sea. Ramalina siliquosa is common on rocky seashores.