Derral Raymon Herbst

Euphorbia haeleeleana, the Kauaʻi spurge, is a species of flowering plant in the croton family, Euphorbiaceae, that is endemic to the islands of Kauaʻi and Oaʻhu in Hawaii. Like other Hawaiian spurges it is known as ʻakoko. It inhabits dry, coastal mesic, and mixed mesic forests from 205–670 m (673–2,198 ft). Associated plants include ʻōhiʻa lehua (Metrosideros polymorpha), koa (Acacia koa), lama (Diospyros sandwicensis), kukui (Aleurites moluccanus), ʻaʻaliʻi (Dodonaea viscosa), wiliwili (Erythrina sandwicensis), hala pepe (Dracaena spp.), ʻohe kukuluāeʻo (Reynoldsia sandwicensis), and āulu

Hibiscadelphus distans (Kauai hau kuahiwi) is an extremely rare species of flowering plant in the mallow family, Malvaceae, that is endemic to the island of Kauaʻi in Hawaii. It is known as hau kuahiwi in Hawaiian, which means "upland Hibiscus tiliaceus." It is a bush or small tree with heart-shaped leaves and yellow flowers and grows at between 1,000 and 1,800 feet (300 and 550 m) in the remnants of native dry forests. Despite its rarity, it is believed to be the only surviving species in the genus Hibiscadelphus which is only known from Hawaii, the other five species having recently become

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Silene perlmanii is a rare species of flowering plant in the family Caryophyllaceae known by the common name cliff-face catchfly. It is endemic to Hawaii, where it is known only from the southern Waiʻanae Range of Oahu. Today there are no plants left in the wild. The species is in cultivation at the National Tropical Botanical Garden. It is a federally listed endangered species of the United States. This white-flowered subshrub was first discovered in 1987. When it was placed on the Endangered Species List in 1991 there were 10 to 20 individuals known to exist, growing on cliff faces in the

Nesogenes rotensis is a rare species of flowering plant in the family Orobanchaceae. It is endemic to Rota, one of the Northern Mariana Islands in the Pacific Ocean. An inhabitant of the commonwealth, it was federally listed as an endangered species of the United States in 2004. This plant has oppositely arranged lance-shaped leaves and white flowers which occur in the leaf axils. It grows on coastal limestone outcrops with several other plants, including nanaso (Scaevola taccada), talisai ganu (Terminalia samoensis), paodedo (Hedyotis strigulosa), and gausali (Bikkia tetrandra). Little else

Remya montgomeryi is a rare species of flowering plant in the family Asteraceae known by the common name Kalalau Valley remya. It is endemic to Hawaii, where it is known only from the island of Kauai. It is threatened by the degradation of its habitat. It is a federally listed endangered species of the United States. This shrub grows up to a meter tall and bears open panicles of flower heads. This plant is one of three species in Remya, a genus endemic to Hawaii, and one of the two Remya that are limited to the island of Kauai. This plant was discovered in 1985 and described in 1987. By 2003

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