Twelve species of Diaporthe are reported for the state. Of these twelve, eight are associated with tree cankers, three are on shrubs and one is on an herbaceous host, Asclepias. Of the related genera, Apioporthe and Pseudovalsa are represented with one and two species respectively. Unconnected species of Phomopsis are recorded on Acer, Malus, Salix, Pinus, Juniperus, Cosmos, Plantago and Solanum.
Proceedings of the Iowa Academy of Science
©1935 Iowa Academy of Science, Inc.
Gilman, Joseph C. and McNew, G. L.
"Fungi Associated with Tree Cankers in Iowa: II. Diaporthe, Apioporthe, Pseudovalsa and Their Related Conidial Stages,"
Proceedings of the Iowa Academy of Science, 42(1), 92-92.
Available at: https://scholarworks.uni.edu/pias/vol42/iss1/28