Doubtful
?N. glaucifolius (Pourret) Rouy; N. humilis Heynhold; N. linnaeanus subsp. dubius (Goüan) Rouy; N. pallidus Poiret; N. pumila Haworth; N. pumilus Delile; N. pumilus Herbert; N. tazetta subsp. dubius (Goüan) Baker
N. dubius var. dubius, Div 13,
Foto #48200 Theo Sanders, DeutschlandN. dubius var. dubius, Div 13,
Foto #48199 Theo Sanders, DeutschlandN. dubius var. dubius, Div 13,
Foto #44033 Theo Sanders, DeutschlandN. dubius var. dubius, Div 13,
Foto #44032 Theo Sanders, DeutschlandN. dubius var. dubius, Div 13,
Foto #43859 Juan Andres Varas Braun, ChileN. dubius var. dubius, Div 13,
Foto #43858 Juan Andres Varas Braun, ChileN. dubius var. dubius, Div 13,
Foto #43857 Juan Andres Varas Braun, ChileN. dubius var. dubius, Div 13,
Foto #43856 Juan Andres Varas Braun, Chile