00426nas a2200109 4500008004100000245007000041210006600111300001200177490000700189100001700196856010300213 1931 eng d00aA crown rot of hollyhock caused by Phytophthora megasperma n. sp.0 acrown rot of hollyhock caused by Phytophthora megasperma n sp a513-5260 v211 aDrechsler, C uhttps://forestphytophthoras.org/references/crown-rot-hollyhock-caused-phytophthora-megasperma-n-sp