Rare blooming Silversword plant (Argyroxiphium sandwicense macrocephalum) at the 10,000 foot summit of Haleakala, Haleakala National Park, Maui's dormant volcano, Hawaii, USA. It is rare, threatened and federally protected; Maui, Hawaii, United States of AmericaImage #: 34803678 See More From: Dave Fleetham