Warren Lambert Wagner

Oenothera lindheimeri, commonly known as Lindheimer's beeblossom, white gaura, pink gaura, Lindheimer's clockweed, and Indian feather, is a species of Oenothera. Several of its common names derive from the genus Gaura, in which this species was formerly placed. The perennial plant is native to southern Louisiana and Texas. The specific epithet is after Ferdinand Jacob Lindheimer, a German-born botanist who collected extensively in Texas for Harvard University professor Asa Gray. It is commonly grown as an ornamental plant.

Hibiscadelphus woodii, or Wood's hau kuahiwi, is a species of flowering plant in the family Malvaceae endemic to Kauai, Hawaii.

Tetrapteron is a genus of flowering plants belonging to the family Onagraceae. Its native range is Northern America. Species: Tetrapteron graciliflorum (Hook. & Arn.) W.L.Wagner & Hoch Tetrapteron palmeri (S.Watson) W.L.Wagner & Hoch

Neoholmgrenia is a genus of flowering plants belonging to the family Onagraceae. Its native range is Western Canada (in the states of Alberta, British Columbia and Saskatchewan) to Western USA (in the states of California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington and Wyoming). The genus name of Neoholmgrenia is in honour of Patricia Kern Holmgren (b. 1940) an American botanist. Holmgren's main botanical interests are the flora of the U.S. intermountain west. It also honour's her husband Noel Herman Holmgren (b. 1937) another botanist, and Patricia's father-in-law, Arthur

Kadua st-johnii (formerly Hedyotis st-johnii) is a rare species of flowering plant in the coffee family known by the common name Nā Pali beach starviolet. It is endemic to Hawaii, where it is known only from the Nā Pali coast of Kauai. It is a federally listed endangered species of the United States. This is a succulent perennial herb with squared stems that trail along the ground. The leaves are fleshy and mostly concentrated low on the stem. The flowers are borne in clusters. Each has a tubular corolla of green petals. This plant occurs on north-facing cliffs above the beaches of the Nā

Kadua degeneri (formerly Hedyotis degeneri) is a rare species of flowering plant in the coffee family known by the common names Waianae Range starviolet and Degener's bluet. It is endemic to Hawaii, where it is known only from the island of Oahu. There are four known populations totalling 370 individuals. It is a federally listed endangered species of the United States. This is a branching shrub with clusters of flowers. The plant is limited to the Waianae Range on Oahu. It grows on cliffs and ridges in forested mountain habitat. The main threat to its existence is the degradation and

Kadua coriacea (formerly Hedyotis coriacea) is a rare species of flowering plant in the coffee family known by the common name kioʻele. It is endemic to Hawaii, where it is known only from the island of Hawaiʻi and one individual remaining on Maui. It is a federally listed endangered species of the United States. Today there are nine populations of the plant at the Pohakuloa Training Area on Hawaii totalling 155 individuals, plus 75 which have been planted in the habitat. There is one individual plant on Maui, but it was severely burned in a fire in 2007. The plant has been watered and

Dryopteris macropholis is a species of fern. It is distributed on the Marquesas Islands.

Tetrapteron graciliflorum is a species of evening primrose known by the common name hill suncup. It is native to Oregon and California, where it grows in several habitat types, often on clay soils. It is an annual herb generally with no stem but producing an upright, nodding inflorescence. It features a cluster of narrow leaves, each measuring one to ten centimeters in length. The flowers are adorned with bright yellow petals, ranging from half a centimeter to two centimeters in length. The fruit is a leathery capsule, less than a centimeter long, containing four chambers with bumpy brown

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Phyllostegia renovans is a rare species of flowering plant in the mint family known by the common name red-leaf phyllostegia. It is endemic to Hawaii, where it is known only from the island of Kauai. It was federally listed as an endangered species of the United States in 2010. This species was discovered in 1989 and described to science in 1999. It is known from about 6 populations, but some of these populations contain only one plant each. This subshrub has climbing stems that can reach 3 or 4 meters in length. The oval leaves are up to 20 centimeters long by 8.8 wide. The inflorescence is

Oenothera curtiflora (syn. Gaura parviflora), known as velvetweed, velvety gaura, downy gaura, or smallflower gaura, is a species of flowering plant native to the central United States and northern Mexico, from Nebraska and Wyoming south to Durango and Nuevo Leon.

Neoholmgrenia hilgardii is an annual flowering plant in the Onagraceae family with the common name Hildgard's suncup. It is a narrow endemic native to central Washington State. This species was first described as Oenothera hilgardii by Greene, and was transferred to the genus Neoholmgrenia in 2009 by W.L.Wagner & Hoch.

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Eremothera refracta is a species of evening primrose known by the common name narrowleaf suncup. It is native to the southwestern United States, especially desert areas. It is an annual herb producing a hairy red or reddish green leafy stem up to about 45 centimeters in maximum height. The nodding inflorescence produces flowers with white petals a few millimeters long which turn reddish as they wither. The fruit is a straight or coiling capsule up to 5 centimeters long.

Eremothera chamaenerioides is a species of evening primrose known by the common name long-capsule suncup. It is native to the southwestern United States and northern Mexico, where it grows especially in desert regions. It is an annual herb producing an erect, hairy, glandular stem which is reddish in color and up to half a meter tall. The leaves are lance-shaped or oval and up to 7 or 8 centimeters long. The nodding inflorescence produces several flowers, each with white petals a few millimeters long and drying to dull red. The fruit is a capsule 3 to 5 centimeters long.

Eremothera boothii is a species of wildflower known as Booth's evening primrose or Booth's sun-cup. This plant is native to the western United States and northwestern Mexico where it is most abundant in arid areas such as deserts. This is an annual plant with hairy reddish-green stems and mottled foliage. The stem ends in a nodding inflorescence of many small flowers which may be white to red or yellowish, often with darker shades on the external surfaces of the four spoon-shaped petals. They have long stamens with clublike yellowish anthers. Flowers of this species tend to open at dusk

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Cyrtandra paliku is a rare species of flowering plant in the African violet family known by the common name cliffside cyrtandra. It is endemic to Hawaii, where it is known only from the island of Kauai. The plant was first discovered in 1993 and it was described to science as a new species in 2001. At the time it was discovered there was only one population containing 70 individuals; a 2006 count revealed only ten plants remaining. It was federally listed as an endangered species in 2010. Like other Hawaiian Cyrtandra it is called ha`iwale. This plant grows only on Mount Namahana in the

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Camissoniopsis pallida is a low growing, yellow-flowered annual plant in the evening primrose family, Onagraceae. It is known by the common names pale primrose or pale yellow suncup. It is native to the desert and scrub habitat of the region where Arizona, California, and Nevada meet. It is a roughly hairy annual herb growing in a low patch on the ground, sometimes producing an erect stem from the basal rosette. The herbage is gray-green to reddish green. The leaves are lance-shaped and up to 3 centimeters long. The nodding inflorescence produces flowers with yellow petals 2 to 13 millimeters

Camissoniopsis micrantha is a species of flowering plant in the evening primrose family known by the common names miniature suncup or small evening primrose. This is a small, hairy annual herb producing a basal rosette of leaves. It is characterized by small yellow flowers with petals less than 5 millimeters long. The flowers dry to a reddish color as they close. This species is found in Arizona and California in the United States, along with Baja California in Mexico. It grows in sandy areas in a number of habitats, from beaches to inland slopes. It is the smallest member of the genus

Camissoniopsis lewisii is a species of evening primrose known by the common name Lewis' evening primrose. It is native to southern California and Baja California, where it grows in coastal habitat and on the grasslands of the inland mountain ranges. as an example occurrence in Baja California, C. lewisii occurs in association with Mimulus aridus and Adiantum jordanii.

Camissoniopsis hirtella is a species of evening primrose known by the common name Santa Cruz Island suncup. It is native to California and Baja California, where it grows on the slopes of coastal and inland hills and mountains, especially in areas that have recently burned. It is an annual herb producing a hairy stem up to about half a meter in height. Most of the leaves are located in a basal rosette at ground level and are oval in shape and a few centimeters in length. The nodding inflorescence produces flowers with sepals coated in long, glandular hairs, and bright yellow petals under a

Camissoniopsis hardhamiae is a species of evening primrose known by the common name Hardham's evening primrose. It is endemic to California, where it grows in the chaparral and woodland of San Luis Obispo and Monterey Counties. It is a robust annual herb producing a hairy stem up to about half a meter tall. The leaves are lance-shaped to narrowly oval and up to 12 centimeters long. The nodding inflorescence bears flowers with yellow petals each a few millimeters long. The fruit is a cylindrical capsule up to 2.5 centimeters long containing several dark-colored seeds.

Camissoniopsis cheiranthifolia, the beach suncup or beach evening primrose, is a species of the evening primrose family and is native to open dunes and sandy soils of coastal California, Baja California and Oregon.

Camissoniopsis bistorta is a species of flowering plant in the evening primrose family known by the common names southern suncup and California suncup. It is native to southern California and Baja California, where it grows in several types of plant community along the coast and in the coastal hills and mountain ranges. This is a hairy annual or short-lived perennial herb spreading from a basal rosette, with stems reaching up to 80 centimeters long. The leaves are narrow and sometimes toothed, and 1 to 12 centimeters in length. Toward the end of the spreading stems are nodding inflorescences

Camissoniopsis is a plant genus in the evening primrose family (Onagraceae).