⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-57175, with some changes.

Mulgedium spicatum var. integrifolium (Torr. & A.Gray) Small is a synonym of Lactuca biennis (Moench) Fernald

This name is a synonym of Lactuca biennis (Moench) Fernald.

The record derives from TICA which reports it as a synonym (record 4940F35E-B2D1-4798-A69A-845E713D5C75).