Abstract
A description is provided for Mycosphaerella rubi, which sometimes causes lesions on leaves of Rubus caesius. Some information on its dispersal and transmission and conservation status is given, along with details of its geographical distribution (Africa (Kenya, Libya, Mauritius, South Africa, Zimbabwe)), North America (Canada (British Columbia, New Brunswick, Nova Scotia, Ontario), Mexico, USA (Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Vermont, Virginia, Washington, West Virginia, Wisconsin), South America (Argentina, Chile, Colombia, Uruguay, Venezuela), Asia (Armenia, Azerbaijan, China (Sichuan), Georgia, India, Iran, Iraq, Japan, Kazakhstan, Kyrgyzstan, Russia (Kurgan oblast, Primorskyi krai, Tiumen oblast, Tomsk oblast), South Korea, Taiwan, Turkey, Turkmenistan, Uzbekistan), Australasia (Australia, New Zealand (as exotic)), Caribbean (American Virgin Islands, Puerto Rico), Europe (Albania, Austria, Belarus, Belgium, Bulgaria, Czech Republic, former Czechoslovakia, Estonia, France, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Macedonia, Malta, Moldova, Montenegro, Netherlands, Norway, Poland, Portugal, Romania, Russia (Astrakhan oblast, Kabardino-Balkarskaya Autonomous Republic, Krasnodarskyi krai, Kursk oblast, Leningrad oblast, Moscow oblast, Oryol oblast, Perm oblast, North Ossetia-Alania Autonomous Republic, Samara oblast, Saratov oblast, Stavropolskyi krai, Tambov oblast, Tatarstan, Tula oblast, Tver oblast, Udmurtia, Ufa oblast, Voronezh oblast), Serbia, Spain, Sweden, Switzerland and Ukraine)) and hosts (Rubus spp.).