Search results for termid:"Rusts" (21 object Results)
Photographic image
Gymnosporangium juniperi-virginianae (cedar-apple rust), gall on juniper and spore horns emerging2013
Yiesla, Sharon
Photographic image
Gymnosporangium juniperi-virginianae (cedar-apple rust), leaf spots on crabapple 2015
Yiesla, Sharon
Photographic image
Gymnosporangium clavipes (cedar-quince rust), spore horns on fruit2013
Yiesla, Sharon
Specimen
Cedar-apple rust (Gymnosporangium juniperi-virginianae) on Malus coronaria var. dasycalyx Rehd. (wild sweet crabapple)July 30 1997
Danielson, Donna
Specimen
Cedar-quince rust on (Gymnosporangium clavipes) on Crataegus pruinosa (Wendl.) K. Koch (frosted hawthorn)May 7 1997
Danielson, Donna
Specimen
Cedar-quince rust (Gymnosporangium clavipes) on Juniperus scopulorum ‘Pathfinder’ (Pathfinder Rocky Mountain juniper)April 23 1997
Danielson, Donna
Specimen
Crown rust (Puccinia coronata) on Rhamnus cathartica L. (common buckthorn)May 27 1999
Whelan, Christopher J.
Specimen
Pine-pine gall rust (Endocronartium harknessii) on Pinus sylvestris L. (Scots pine)September 2001
Specimen
White pine blister rust (Cronartium ribicola) on Pinus strobus L. (eastern white pine)September 18 1998
Jacobs, Karel
Specimen
Cedar quince rust