Narrowleaf Onion

Allium amplectens Torr.

are eaten by

• Global Biotic Interactions: Bombus melanopygus Nylander 1848 (Black Tail Bumble Bee)
• Global Biotic Interactions: Bombus sitkensis Nylander 1848 (Sitka bumble bee)

are host of

• Global Biotic Interactions: Uromyces bicolor Ellis 1893
• Global Biotic Interactions: Puccinia porri (Sowerby) G. Winter 1881
• Global Biotic Interactions: Puccinia porri (Sowerby) G. Winter 1881
• Global Biotic Interactions: Puccinia porri (Sowerby) G. Winter 1881
• Global Biotic Interactions: Puccinia porri (Sowerby) G. Winter 1881

have flowers visited by

• Global Biotic Interactions: Colletes kincaidii Cockerell 1898 (Kincaid's Cellophane Bee)