Hieracium deltophyllum Arv.-Touv. in Ann. Soc. Linn. Lyon, ser. 2, 34: 120. 1888
Hieracium deltophyllum in Ann. Soc. Linn. Lyon, ser. 2, 34: 120. 1888
is basionym for Hieracium rigidum subsp. deltophyllum, Hierac. Centre France: 32. 1902
Hieracium deltophyllum in Ann. Soc. Linn. Lyon, ser. 2, 34: 120. 1888