Location: upper leaf, lower leaf, between leaf veins
Form: leaf blister, rust
Cells: not applicable
Possible Range:i
Common Name(s):
Synonymy:
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Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.
Gallformers ID Notes
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Broad, hairless, light-green, slightly raised blisters on the upper side of leaves of Rudbeckia laciniata, accompanied by dense white-gray furring below. Resembles Albugo more than erineum but the inducer is currently unknown. Observed in Minnesota in September.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value r-laciniata-white-rust on iNaturalist. You can view them here: