Grindelia squarrosa, also known as a curly-top gumweed or curlycup gumweed, is a small North American biennial or short-lived perennial plant.
Thelypodium howellii, the Howell's thelypody or Howell's thelypodium, is a rare plant of the Western United States. It is endemic to a relatively small area on the borders of three western States: Oregon, Nevada, and California.
Julian Alfred Steyermark was an American botanist. His focus was on New World vegetation, and he specialized in the family Rubiaceae.
Chorizanthe howellii is a species of flowering plant in the buckwheat family known by the common names Mendocino spineflower and Howell's spineflower. It is endemic to coastal Mendocino County, California, where it is known only from the sand dunes and coastal scrub near Fort Bragg. It is estimated that 95% of the remaining individuals of this plant are part of a single population growing at MacKerricher State Park. It is a federally listed endangered species.
Strophostyles is monophyletic three-species genus of flowering plants in the family Fabaceae, subfamily Faboideae. Common names for the genus include wild bean and fuzzybean. It consists of annual and perennial herbaceous vines, ranging in their native distribution from Nevada, east to Florida, and north to the Great Lakes and eastern Canada. The etymology of the name is strophe (turning) + stylos (style), referring to the curve of the style within the keel petal.
Grindelia adenodonta, the Lonestar gumweed, is a species of flowering plants in the family Asteraceae.
Grindelia havardii, or Havard's gumweed, is a North American species of flowering plants in the family Asteraceae. It is native to the south-central United States, in the states of Texas and New Mexico.
Grindelia oxylepis, the Mexican gumweed, is a North American species of flowering plants in the family Asteraceae. It is native to northern Mexico, in the States of Chihuahua, Coahuila, Durango, San Luis Potosí, and Zacatecas. The natural range barely crosses the Río Grande into the United States, with a few populations in western Texas and southern New Mexico
Grindelia pusilla, the little gumweed, is a North American species of flowering plants in the family Asteraceae. It is found only in the state of Texas in the south-central United States.
Grindelia scabra, the rough gumweed, is a rare North American species of flowering plants in the family Asteraceae. It has been found in northern Mexico (Coahuila) and the southwestern United States.
Grindelia subalpina, the subalpine gumweed, is a North American species of flowering plants in the Astereae tribe of the family Asteraceae.
Grindelia tenella is a North American species of flowering plants in the family Asteraceae.
Grindelia greenmanii is a North American species of flowering plants in the family Asteraceae. It is native to northeastern Mexico, found in the States of Coahuila, Nuevo León, and Tamaulipas.
Grindelia palmeri is a rare North American species of flowering plants in the family Asteraceae. It is native to northeastern Mexico, found only in the State of San Luis Potosí.
Grindelia oaxacana is a rare North American species of flowering plants in the family Asteraceae. It is native to southwestern Mexico, found only in the State of Oaxaca.
Grindelia nelsonii is a North American species of flowering plants in the family Asteraceae.
Grindelia sublanuginosa is a North American species of flowering plants in the family Asteraceae. It is native to western Mexico, found only in the State of Jalisco.
Grindelia aggregata is a rare North American species of flowering plants in the family Asteraceae. It is native to western Canada, found only in salt marshes and tidal flats along the seacoast in the southern part of Vancouver Island in British Columbia.
Grindelia confusa is a rare North American species of flowering plants in the family Asteraceae. It is native to northern Mexico, found only low-lying areas in Namiquipa Municipality within the State of Chihuahua.
Quercus peduncularis is an oak in the white oak group native to Mexico and Central America, ranging from Jalisco to Honduras.
