Equisetum praealtum Raf., 1817 accepté comme Equisetum hyemale subsp. affine (Engelm.) Calder & Roy L.Taylor, 1965	1045616

BIBLIO

Taxonomie
Christenhusz, M., Bangiolo, L., Chase, M., Fay, M., Husby, C., Witkus, M. & Viruel, J. 2019. Phylogenetics, classification and typification of extant horsetails (Equisetum, Equisetaceae). Botanical Journal of the Linnean Society, 189 (4) : 311-352.

 

NOTES

Neotype : ​Neotype (designated here): USA (Michigan): Allegan State Game Area, 2 October 2011, M. Christenhusz 6544 (H!). 

Note: No original specimen was cited and there seems to be no original material preserved in the Rafinesque collections, hence a neotype was selected here.

     Références : Christenhusz et al. (2019)