Lactuca wilhemsiana DC., Prodr. 7: 134. 1838
Lactuca wilhemsiana, Prodr. 7: 134. 1838
is basionym for Lactuca quercina subsp. wilhemsiana in Folia Geobot. Phytotax. 5: 420. 1970
has orthographic variant Lactuca wilhelmsiana
Lactuca wilhemsiana, Prodr. 7: 134. 1838