Autoecious Uromyces that Infect New-World Euphorbiaceae

ABSTRACT

Twenty valid autoecious species of Uromyces occur on new-world Euphorbiaceae. These are U. actinostemonis, U agnatus, U. andinus, U. carthagenensis, U. cisneroanus, U. cni- doscoli, U. coordinatus, U. dictyosperma, U. euphorbiae, U. globosus, U. jatrophae, U. jatro-phicola, U. macounianus, U. manihoticola, U. mayorii, U. oaxacanus, U. tolerandus, U. tranzschelii, U. uleanus, and U. vestitus. Host plants in the Euphorbiaceae and new-world distributions are given for each species.

Key Words:

• autoecious Uromyces
• new-world Euphorbiaceae
• taxonomic