Hazardia is a small genus of North American flowering plants in the family Asteraceae. Plants in this genus may be called bristleweeds or goldenbushes.
Hazardia cana is a rare North American species of shrubs in the family Asteraceae known by the common names Guadalupe hazardia, San Clemente Island hazardia, or simply island hazardia. It is native to San Clemente Island, one of the Channel Islands of California, and to Guadalupe Island.
Hazardia detonsa is a rare species of shrub in the family Asteraceae known by the common name island bristleweed. It is endemic to the Channel Islands of California, having been found on 4 islands.
Hazardia squarrosa is a North American species of shrub in the family Asteraceae known by the common name sawtooth goldenbush. It is native to California in the United States and Baja California in Mexico.
Lasthenia ferrisiae is a species of flowering plant in the family Asteraceae known by the common name Ferris' goldfields. It is endemic to the California Central Valley, where it grows in vernal pools and alkali flats.
Flaveria trinervia is a species of flowering plant in the family Asteraceae known by the common names clustered yellowtops, speedyweed, and yellow twinstem. It is native to parts of the Americas, including the southeastern and southwestern United States, most of the Bahamas, Mexico, Belize, and parts of the Caribbean, especially Cuba, Cayman Islands, Jamaica, Hispaniola, Puerto Rico and Barbados. It is also known in many other places as an introduced species and often a noxious weed, such as in Hawaii.
Hazardia brickellioides is a species of shrub in the family Asteraceae known by the common name brickellbush goldenweed. It is native to the Mojave Desert of California and Nevada, where it grows in rocky limestone habitat.
Hazardia orcuttii is a rare North American species of flowering plant in the family Asteraceae known by the common names Orcutt's bristleweed and Orcutt's goldenbush. It is native to California in the United States and Baja California in Mexico. It can be found in one location in California, in the city of Encinitas. There, it is located in and near a protected zone known as the Manchester Conservation Area. In Baja California it can be found at 11 to 17 locations.
Ericameria parishii, or Parish's rabbitbrush, is a western North American species of flowering plants in the daisy family.
Flourensia pringlei, common name Pringle's tarwort, is a species of flowering plant in the aster family. It is native to the States of Chihuahua and Durango in northern Mexico, the range extending just barely over the international border into Hidalgo County in southwestern New Mexico.
Gundlachia triantha, the TransPecos goldenshrub or Trans-Pecos desert goldenrod, is a North American species of plants in the sunflower family. It is native to northern Mexico, with the range extending just over the Río Grande into western Texas in and near Big Bend National Park.
Hazardia berberidis is a Mexican species of shrub in the family Asteraceae. It grows in both states of the Baja California peninsula in northwestern Mexico: Baja California and Baja California Sur.
Hazardia stenolepis, the serpentine bristleweed, is a North American species of shrub in the daisy family. It has been found only in California in the western United States, and in Baja California in northwestern Mexico.
Hazardia whitneyi, common name Whitney's bristleweed, is a North American species of shrub in the daisy family. It has been found only in the states of Oregon and California in the western United States.
Hazardia rosarica is a Mexican species of shrub in the family Asteraceae.
Hazardia vernicosa is a Mexican species of shrub in the family Asteraceae. It has been found only in the state of Baja California in northwestern Mexico, specifically near El Rosario. It has not been found in the United States although one of the Mexican populations is less than 10 km south of the international border.
Heliomeris multiflora is a North American species of flowering plants in the sunflower family called the showy goldeneye. It grows in Mexico and the western United States from Montana to Jalisco.
Polygonum achoreum, common names Blake's knotweed, leathery knotweed or striate knotweed, is a North American species of plants in the buckwheat family. It is widespread across much of Canada and the northern United States.
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.
Isocoma hartwegii is a Mexican plant species in the family Asteraceae. It has been found in the states of Jalisco, Zacatecas, Aguascalientes, Hidalgo, Guanajuato, and San Luis Potosí.
