World Register of Marine Species (WoRMS)
Macronema greenei var. mollis (A.Gray) Jeps.
Compositae Working Group (CWG) (2026). Global Compositae Database. Macronema greenei var. mollis (A.Gray) Jeps.. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1233446 on 2026-08-29
(1925). A Manual of the Flowering Plants of California . . .