| phytophthora siskiyouensis, a new species from soil, water, myrtlewood (umbellularia californica) and tanoak (lithocarpus densiflorus) in southwestern oregon. | an unknown phytophthora species was recovered in southwestern oregon from rhododendron and tanoak leaf baits used for monitoring streams and soils for the presence of phytophthora ramorum, from a blighted shoot of myrtlewood and from tanoak bark cankers. isolates of this species yielded its-dna sequences that differed substantially from other phytophthora sequences in genbank. morphological features also differed from available descriptions of known phytophthora species. based on the combination ... | 2007 | 18268898 |