Synonyms: Asphodelus fistulosus subsp. tenuifolius (Cav.) Richter, Asphodelus fistulosus var. tenuifolius (Cav.) Baker, Asphodelus maroccanus Gand.
Asphodelus tenuifolius Cav., A. ayardii Jahand. & Maire and A. fistulosus L. are morphologically, genetically, and biologically different species (Diaz Lifante & Valdes, 1996). A. tenuifolius Cav. is a annual diploid species (2n = 28) and autogame. The scapes are scabrous at the base, rarely smooth. Tepals (3-)5-7.5(-8) mm long and capsules 3 à 4 (-4.5) mm long. Pedicel articulation of the capsule generally under the medium. In the South-Western Morocco Asphodelus tenuifolius is the species most largely represented.