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Photo#1194937
Sunflower galls - Olpodiplosis helianthi

Sunflower galls - Olpodiplosis helianthi
Plymouth Rock, Winneshiek County, Iowa, USA
July 25, 2015
Sunflower, Heliantus, galls
On what I've always called Woodland Sunflower
Gall shape is familiar but I don't think I've seen it on this plant
ID confirmed by R Gagné

Moved
Moved from Unidentified Galls.

Different from Gagne's illustration, but he says they're highly variable.

 
Thanks.
Gagne's distribution even includes Iowa.
Do you think these could be the same as ?
Gagne says: Galls are mono- or polythalamous and highly variable in shape and length. The open, reflexed ends are filled with fine hairs." Although he doesn't list this species of sunflower

 
Yes
Those even seem like a better fit.

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