Here's the list of *susceptible* plants we use in the Extension Service offices. (Don't know if you'll find a list of resistant ones.)

Plants Susceptible to Phytophthora Diseases
Genus Common Name
Abies* - true fir
Alnus - alder
Arctostaphylos - kinnikinnick
Brassica - cabbage
Buxus* - boxwood
Chamaecyparis* - Port-Orford-cedar
Cornus* - dogwood
Cotoneaster - cotoneaster
Daphne* - daphne
Erica - heath
Fragaria* - strawberry
Gaultheria - salal
Ilex* - holly
Juniperus* - juniper
Kalmia - mountain laurel
Lycopersicon* - tomato
Malus* - apple, crabapple
Medicago - alfalfa
Microbiota* - Russian cypress
Pieris* - andromeda
Pinus* - pine, mugo pine
Prunus - cherry
Pseudotsuga - Douglas-fir
Rhododendron* - azalea, rhododendron
Rosa - rose
Rubus* - raspberry
Solanum* - potato
Tsuga* - hemlock
Vaccinium* - blueberry, cranberry
Viburnum - viburnum
* Commonly infected by Phytophthora