Plant pests and diseases:
Algae on a leaf in a forest
Plant pests and diseases:
Ironwood (Casuarina equisetifolia) trees at a beach, golden yellow due to algae
Plant pests and diseases:
Ironwood (Casuarina equisetifolia) grove at a beach, golden yellow due to algae
Plant pests and diseases:
'Awa: Coconot Scale -- damage top side of leaf & parasitic algae
Plant pests and diseases:
Non-parasitic algae on palm leaf
Plant pests and diseases:
Moss, lichens, algae and slime molds on stem or branch
Plant pests and diseases:
Moss, lichens, algae on stem or branch
Plant pests and diseases:
Moss, lichens, and algae on tree stem
Plant pests and diseases:
Tree fern: Non-parasitic algae
Plant pests and diseases:
Eiphytic algae on a leaf