Haleakalā Crater, along Sliding Sands Trail, Maui. Vegetative rosettes of the silversword Argyroxiphium sandwicense subsp. macrocephalum (‘ahinahina) in alpine cinder habitat. This subspecies is endemic to East Maui and is listed as Threatened under the U.S. Endangered Species Act.
Pēpē‘ōpae Bog, The Nature Conservancy Kamakou Preserve, Moloka‘i, a Montane Wet Mixed Bog Community dominated by low-growing Metrosideros polymorpha (‘ōhi‘a) and two sedges, the tussock-forming Oreobolus furcatus and the clumping Rhynchospora chinensis subsp. spiciformis (kuolohia).
Hedyotis fluviatilis, a scandent shrub along Castle Trail, Punalu‘u, O‘ahu, is endemic to O‘ahu and Kaua‘i. The species is a potential candidate (C2) for listing under the U.S. Endangered Species Act.
Lobelia gaudichaudii subsp. gaudichaudiion windward slope of Ko‘olau summit at the end of ‘Aiea Ridge Trail. The species is endemic to the Ko‘olau Mountains, O‘ahu.
Hesperomannia arbuscula along the Waianae Kai Trail, Wai‘anae Range, O‘ahu. This rare tree is endemic to the Waianae Mountains of O‘ahu and to West Maui, and is listed as endangered under the U.S. Endangered Species Act.
Trematolobelia macrostachys (koli‘i) on Summit Ridge above Ha‘ikū Valley, O‘ahu.
Wilkesia gymnoxiphium (iliau), a Kaua‘i endemic, on the Iliau Nature Loop, Koke‘e, Kaua‘i.