Intertaxon relationships
species
White Pine Blister Rust
Cronartium flaccidum (Alb. & Schwein.) G. Winter
Castilleja Mutis ex L.f. - Indian paintbrush
Pedicularis L. - lousewort
Ribes nigrum L. - European Black Currant 
Ribes uva-crispa L. - Gooseberry
Ribes × culverwellii Macfarl. - Jochel-beere
Strobus Loudon - white pines