Monsanto, 3rd, D, 280
Memoirs of the American Academy of Arts and Science, new series 4(1): 80. 1849. (Mem. Amer. Acad. Arts, n.s.
Fendler 406 ; July-Oct 1847; USA: Santa Fe, foot of hills, Poni creek
[The MO sheet gives in large handwriting "378", which is the species number and also written on this sheet in small handwriting is "406" (the collection number). The locality is that of the first cited syntype. (jp-2006)]
Ambrosia simulans Shinners
Combinations for this basionym:
Gaertneria tenuifolia (Harv. & A. Gray) Kuntze
Xanthidium tenuifolium (Harv. & A. Gray) Delpino