1. Achillea aspleniifolia Vent., Descr. Pl. Nouv.: tab. 95. 1802.

Lectotypus (designated here): [UNITED STATES]: Hort. Cels, Ventenat s.n. (G [G00341485]!).

= Achillea millefolium L.

Notes. – Two different collections have been located in Ventenat’s herbarium at G. The plant collected by Michaux from his travel to North America (G [G00341484]) and the plant cultivated in Cels’s garden. The latter is designated here as the lectotype as it is more complete and clearly served primarily for the description of Achillea aspleniifolia . No specimen has been located at P.