Host:Canary Island date palm (Phoenix canariensis
hort. ex Chabaud) Descriptor: Sign Description: Palm leaflets with numerous sori and emerging spores. Note that this leaf does not have potassium deficiency. There are no leaf spot symptoms, only the sori of the fungus. Image type: Field Image location: , United States
Specimen in collection: No Specimen Condition: Identification Method:
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Image Citation:(?) Monica Elliott, Symptoms of Palm Diseases and Disorders, USDA APHIS ITP, Bugwood.org