Divaricate Navarretia, Mountain Navarretia: Navarretia divaricata ssp. divaricata
Needleleaf Navarretia, Needle-leaf Navarretia: Navarretia intertexta (Synonyms: Navarretia intertexta ssp. intertexta, Navarretia intertexta var. intertexta, Navarretia minima var. intertexta) -
Great Basin Navarretia, Needleleaf Navarretia: Navarretia propinqua (Synonym: Gilia propinqua, Navarretia intertexta ssp. propinqua, Navarretia intertexta var. propinqua) -
Least Navarretia: Navarretia leucocephala ssp. minima (Synonym: Navarretia minima) -
Marigold Navarretia, Northern Navarretia, Marigold Pincushion-plant: Navarretia tagetina - This is reported from Conboy Lake National Wildlife Refuge, but I have yet to encounter it there.