Ranunculus occidentalis Nutt.

are eaten by

• Global Biotic Interactions: Lagopus muta (Montin 1781)

are host of

• Global Biotic Interactions: Erysiphe aquilegiae DC. 1815
• Global Biotic Interactions: Uromyces jonesii Peck 1882
• Global Biotic Interactions: Puccinia clematidis
• Global Biotic Interactions: Synchytrium variabile Karling 1957
• Global Biotic Interactions: Synchytrium variabile Karling 1957

have flowers visited by

• Global Biotic Interactions: Priocnemis
• Global Biotic Interactions: Andrena suavis Timberlake 1938
• Global Biotic Interactions: Hilara
• Global Biotic Interactions: Tenthredinidae
• Global Biotic Interactions: Andrena cuneilabris Viereck 1926