Argyroxiphium sandwicense DC., Prodr. 5: 668 (1836) (syn: Argyrophyton douglasii Hook.); . Hawaiian Islands (Hawaii) as per POWO; . Argyroxiphium sandwicense subsp. sandwicense, a highly Endangered Endemic species of Hawaiian Islands-GS13012023-1: 2 high res. images. Argyroxiphium sandwicense subsp. sandwicense, a highly Endangered Endemic species of Hawaiian Islands, clicked by my Son on a holiday trip to the area […]