Pinus edulis Engelm.
Engl.: twoneedle pinyon, American pinon, Colorado pinyon, pignolia, pinyon.
Classic texts: Sturtevant 1919.
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.
http://www.henriettes-herb.com - Copyright 1995–2020 Henriette Kress.