Plantago psyllium Linnaeus, Species Plantarum 1: 115. 1753, nom. utique rej. prop.
"Habitat in Europae australis sepibus." RCN: 941.
Replaced synonym of: Plantago indica L. (1759), nom. illeg.
Type not designated.
Original material: Herb. Linn. No. 144.26 (LINN); Herb. Burser X: 97 (UPS); Herb. Linn. No. 144.27 (LINN); Herb. Clifford: 37, Plantago 8 (BM) .
Current name: Plantago arenaria Waldst. & Kit. ( Plantaginaceae).
Note: Having long been informally treated as a nomen ambiguum, Applequist (in Taxon 55: 235. 2006) formally proposed the rejection of this name.