1. UC IPM
Orange telia (spore-forming bodies) of stalactiform rust, <i>Peridermium stalactiforme</i> =<i>Cronartium coleosporioides,</i> on Indian paintbrush.
Orange telia (spore-forming bodies) of stalactiform rust, Peridermium stalactiforme =Cronartium coleosporioides, on Indian paintbrush.
Credit: USDA Forest Service, Northern and Intermountain Region, Bugwood.org