by Cristian Solari
0 
Gymnosporangium juniperi-virginianae (+) Disease (-) Juniperus virginiana
Observation
Shared in TW by Dr. Matt Kasson @kasson_wvu: This is the telial stage of the heteroecious (2 host), demicyclic (4 spore stage) rust fungus, Gymnosporangium juniperi-virginianae, on eastern red cedar.
Check this link for more information.
