Table 1.

Trees and fungi used in Cytospora pathogenicity studies.

TreeTree speciesCytospora speciesIsolate numbersFungal source location
AspenPopulus tremuloides Michx.C. chrysosperma52,67Fort Collins, CO
CottonwoodPopulus deltoides Bartr.C. chrysosperma54,59Poudre Canyon, CO
Green ashFraxinus pennsylvanica Marsh.C. pruinosa (Fr.:Fr.)11,15Fort Collins, CO
Siberian elmUlmus pumila L.C. sacculus (Schw.) Gvrit.28,31Fort Collins, CO
AlderAlnus spp.C. umbrina (Bonord.) Sacc.45,65Poudre Canyon, CO
Multi-stemmed willowSalix spp.C. fugax (Bull.:Fr.)Fr.35,36Poudre Canyon, CO
Single-stemmed willowSalix spp.C. fugax(Bull.:Fr.)Fr.89,90,91,92,93,94Fort Collins, CO