1. USDA Agricultural Research Service, Tropical Plant Genetic Resources and Disease Research Unit, Hilo, HI 96720, U.S.A.
2. University of Hawai‘i Maui College, Kahului, HI 96732, U.S.A.
3. Hawai‘i Agriculture Research Center, Waipahu, HI 96797, U.S.A.
4. Centro de Investigação das Ferrugens do Cafeeiro, Instituto Superior de Agronomia, Universidade de Lisboa, Quinta do Marquês, Oeiras 2784-505, Portugal
5. LEAF, Linking Landscape, Environment, Agriculture and Food, Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, Lisbon 1349-017, Portugal