Psathyrotes is a genus of North American plants in the sneezeweed tribe within the sunflower family. It contains annual and perennial forbs and low subshrubs native to dry areas of southwestern North America. Common names include turtleback, brittlestem, and fanleaf.
Per Axel Rydberg was a Swedish-born, American botanist who was the first curator of the New York Botanical Garden Herbarium.
Hulsea is a small genus of North American flowering plants in the family Asteraceae known commonly as alpinegold.
Antennaria umbrinella is a North American species of flowering plants in the family Asteraceae known by the common names umber pussytoes and brown pussytoes. It is native to southwestern Canada and the western United States as far south as Colorado, Coconino County in Arizona, and Tulare County in California). It grows in a variety of habitats at a variety of elevations, from lowland sagebrush steppe to subalpine meadows.
Boeberastrum is a genus of flowering plants in the family Asteraceae.
Leucactinia is a genus of flowering plants in the tribe Tageteae within the family Asteraceae.
Gymnolaena is a genus of Mexican flowering plants in the family Asteraceae.
Oreochrysum is a genus of flowering plants in the family Asteraceae.
Platyschkuhria is a genus of North American flowering plants in the daisy family.
Pseudobahia is a genus of California plants in the tribe Madieae within the family Asteraceae. These plants are known generally as sunbursts.
Pseudoclappia, the false clapdaisies, is a genus of North American shrubs in the tribe Tageteae within the family Asteraceae.
Psathyrotopsis is a genus of North American plants in the tribe Bahieae within the family Asteraceae.
Arnica gracilis is a North American species of flowering plant in the family Asteraceae, known by the common name smallhead arnica. It is native to western Canada and the northwestern United States (Washington, Oregon, Idaho, Montana, Wyoming, north-central Colorado, and northern Utah.
Encelia scaposa, common name onehead brittlebush is a North American species of flowering plants in the family Asteraceae. It has been found in western Texas, southwestern New Mexico, and Chihuahua.
Ericameria obovata, or Rydberg's goldenbush, is a North American species of flowering shrubs in the family Asteraceae. It has been found only in the state of Utah in the western United States.
Erigeron formosissimus is a North American species of flowering plants in the family Asteraceae known by the common name beautiful fleabane.
Erigeron nematophyllus is a North American species of flowering plant in the family Asteraceae known by the common name needle-leaf fleabane. It native to the western part of the United States, in Utah, Colorado, and Wyoming.
Erigeron subtrinervis, called the three-nerved daisy, the three-nerve fleabane, or the hairy showy daisy, is a North American species of flowering plants in the family Asteraceae. It grows in various mountains of western Canada and the western United States: Rocky Mountains, northern Cascades, Black Hills, etc., from British Columbia and Washington state east to North Dakota and south as far as New Mexico.
Tagetes pusilla, the lesser marigold, is a Latin American species of marigolds in the family Asteraceae. It is native Central America and western South America from Guatemala to northern Argentina.
