Eastern Leatherwood

Dirca palustris L.

are eaten by

• Global Biotic Interactions: Puccinia dioicae Magnus 1877
• Global Biotic Interactions: Leucanthiza dircella Braun 1914

are host of

• Global Biotic Interactions: Puccinia hydnoidea (Berk. & M. A. Curtis) Arthur 1904
• Global Biotic Interactions: Peniophora cinerea (Pers.) Cooke 1879
• Global Biotic Interactions: Sphaeropsis dircae Ellis & Everh. 1900
• Global Biotic Interactions: Sphaeropsis dircae Ellis & Everh. 1900
• Global Biotic Interactions: Puccinia dioicae Magnus 1877

have flowers visited by

• Global Biotic Interactions: Trypoxylon tridentatum Packard 1867
• Global Biotic Interactions: Typocerus lugubris (Say 1824)
• Global Biotic Interactions: Chalcosyrphus nemorum (Fabricius 1805)
• Global Biotic Interactions: Peleteria robusta (Wiedemann 1830)
• Global Biotic Interactions: Cryptorhopalum triste Le Conte 1854