* Richardson PA, Daughtrey M, Hong CX (2020) Indications of susceptibility to Calonectria pseudonaviculata in some common groundcovers and boxwood companion plants. Plant Disease 104:1127-1132. https://doi.org/10.1094/PDIS-08-19-1582-RE
------- inoculation trials.
* Cave GL, Randall-Schadel B & Redlin SC (2008) Risk analysis for Phytophthora ramorum Werres, de Cock & Man in’t Veld, causal agent of sudden oak death, ramorum leaf blight, and ramorum dieback. US Department of Agriculture, Animal and Plant Health Inspection Service, Raleigh, NC.
* Rooney-Latham S, Blomquist CL, Soriano MC, Uhler M (2020) First report of Phytophthora ramorum causing foliar and stem blight of two California native Arctostaphylos species, A. viridissima and A. glauca. Plant Disease. https://doi.org/10.1094/PDIS-07-19-1359-PDN
------- A. viridissima is a confirmed host.