| http://www.w3.org/ns/prov#value | - Two strains of Phytophthora, P. ramorum and P. kernoviae, have been identified, the second more virulent, but more specialised in its targets (mainly Rhododendron ponticum and beech trees), the former attacking a wide range of hardy trees and shrubs, in particular rhododendrons, viburnums, camellias, cornus and some exotic oak species.
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