Harold Ernest Robinson was an American botanist and entomologist.
Oclemena is a small genus of North American flowering plants in the tribe Astereae within the family Asteraceae.
Grindelia (gumweed) is a genus of plants native to the Americas belonging to the family Asteraceae. The genus was named for Latvian botanist David Hieronymus Grindel, 1776–1836.
Hymenoxys is a genus of plants in the sunflower family, native to North and South America. It was named by Alexandre Henri Gabriel de Cassini in 1828.
Lessingia is a genus of plants in the family Asteraceae which are native to western North America. Several species are endemic to California.
Glyptopleura is a genus of North American plants in the family Asteraceae. The common names for this plant include carveseed, holy dandelion or holly dandelion, keysia or keyesia, and crustleaf.
Hymenoxys odorata is a species of flowering plant in the daisy family known by the common names bitter rubberweed and western bitterweed. It is native to the southwestern and south-central United States from southern California to Texas north as far as Kansas and Colorado, as well as northern Mexico. It grows in dry regions.
Tetraneuris, commonly known as four-nerve daisy or bitterweed, is a genus of North American plants in the sneezeweed tribe within the daisy family.
Heterolepis is a genus of flowering plants in the sunflower family. It has three or four species, all endemic to the Western Cape Province in South Africa.
Lagascea is a genus of flowering plants in the family Asteraceae. It occurs primarily in Mexico, but some species extend into Central America and one reaches north into the western United States. One species, L. mollis, has been widely introduced to other localities around the tropics and subtropics.
Artemisia papposa is a species of flowering plant in the aster family known by the common names Owyhee sage, Owyhee sagebrush, and fuzzy sagebrush. It is native to the Snake River Plain and surrounding areas in the northwestern United States, occurring in southern Idaho, eastern Oregon, and northern Nevada.
Tetraneuris acaulis is a North American species of flowering plants in the sunflower family. Common names include angelita daisy, stemless four-nerve daisy, stemless hymenoxys, butte marigold, and stemless rubberweed.
Hymenoxys ambigens is a species of flowering plant in the daisy family known by the common name Pinaleño Mountains rubberweed. It is native to the states of Arizona and New Mexico in the southwestern United States.
Hymenoxys brandegeei is a species of flowering plant in the daisy family known by the common names Brandegee's four-nerve daisy, Brandegee's rubberweed or western bitterweed. It is native to the states of Arizona, Colorado, and New Mexico in the southwestern United States.
Hymenoxys grandiflora is a North American species of flowering plant in the daisy family known by the common names graylocks four-nerve daisy, graylocks rubberweed, or old man of the mountain. It is native to high elevations in the Rocky Mountains of the western United States.
Hymenoxys robusta is a South American species of flowering plant in the daisy family. It has been found primarily in Bolivia with a few populations in nearby Peru and Argentina.
Hymenoxys tweediei is a South American species of flowering plant in the daisy family. It has been found mostly in Uruguay with a few populations in northeastern Argentina and southern Brazil.
Tetraneuris linearifolia is a North American species of plants in the sunflower family, known by the common name fineleaf fournerved daisy. It grows in the south-central United States and northern Mexico.
Tetraneuris turneri is a North American species of plants in the sunflower family, known by the common name Turner's four-nerve daisy. It has been found in the US state of Texas and in the nearby Mexican state of Coahuila.
Velva Elaine Rudd was an American botanist, specializing in tropical legumes. She worked as a curator at the Smithsonian Institution's National Museum of Natural History and also conducted research at the herbarium at California State University, Northridge.
