Compositae source details
(1934). Amer. J. Bot. 21
308208
1934
Publication
Date
action
by
Amphiachyris spinosa (A.Nelson) A.Nelson accepted as Amphipappus fremontii var. spinosus (A.Nelson) Ced.Porter (original description)
Amphipappus spinosus A.Nelson (original description)
Arnica maguirei A.Nelson accepted as Arnica chamissonis Less. (original description)
Arnica trina A.Nelson accepted as Pentacalia amplexicaulis (Kunth) Cuatrec. (original description)
Erigeron lobatus A.Nelson (original description)
Machaeranthera hiemalis A.Nelson accepted as Dieteria canescens var. leucanthemifolia (Greene) D.R.Morgan & R.L.Hartm. (original description)
Amphipappus spinosus A.Nelson (original description)
Arnica maguirei A.Nelson accepted as Arnica chamissonis Less. (original description)
Arnica trina A.Nelson accepted as Pentacalia amplexicaulis (Kunth) Cuatrec. (original description)
Erigeron lobatus A.Nelson (original description)
Machaeranthera hiemalis A.Nelson accepted as Dieteria canescens var. leucanthemifolia (Greene) D.R.Morgan & R.L.Hartm. (original description)
