Evax breviflora A.Nelson & J.F.Macbr. (original description)
Evax brevifolia (A.Gray) A.Nelson & J.F.Macbr. accepted as Hesperevax sparsiflora var. brevifolia (A.Gray) Morefield (original description)
Lactuca spicata var. multifida A.Nelson & J.F.Macbr. (original description)
Machaeranthera inops A.Nelson & J.F.Macbr. accepted as Dieteria canescens var. shastensis (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Machaeranthera inops var. atrata A.Nelson & J.F.Macbr. accepted as Dieteria canescens var. shastensis (A.Gray) D.R.Morgan & R.L.Hartm. (original description)
Machaeranthera rhizomata A.Nelson & J.F.Macbr. (original description)
Macronema filiforme A.Nelson & J.F.Macbr. (original description)
Macronema filiformis A.Nelson & J.F.Macbr. (original description)
Macronema glomerata A.Nelson & J.F.Macbr. (original description)
Macronema glomeratum A.Nelson & J.F.Macbr. (original description)
Macronema imbricata A.Nelson & J.F.Macbr. (original description)
Macronema imbricatum A.Nelson & J.F.Macbr. (original description)
Macronema pulvisculifera A.Nelson & J.F.Macbr. (original description)
Macronema pulvisculiferum A.Nelson & J.F.Macbr. (original description)
Macronema scoparia A.Nelson & J.F.Macbr. (original description)
Macronema scoparium A.Nelson & J.F.Macbr. (original description)
Macronema walpoliana A.Nelson & J.F.Macbr. (original description)
Macronema walpolianum A.Nelson & J.F.Macbr. (original description)