Arnica porsildiorum B. Boivin
Arnica porsildiorum B. Boivin is a synonym sensu Scoggan, 1978-79 of:
Arnica lessingii (Torrey & A. Gray) Greene, an accepted species name sensu FNA Ed. Comm., 2006c.
Arnica porsildiorum B. Boivin is a synonym sensu Scoggan, 1978-79 of:
Arnica lessingii (Torrey & A. Gray) Greene, an accepted species name sensu FNA Ed. Comm., 2006c.