* Garbelotto M, Popenuck T, Hall B, Schweigkofler W, Dovana F, Goldstein de Salazar R, Schmidt D, Sims LL (2020) Citizen science uncovers Phytophthora ramorum as a threat to several rare or endangered California Manzanita species. Plant Disease 104(12), 3173-3182.
------- Arctostaphylos hooveri, A. montereyensis, A. morroensis, A.pilosula.