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Artemisia cana, Silver sagebrush, is an aromatic shrub found in grasslands, floodplains and montane forests. [7] Artemisia cana is native to the Canadian provinces of British Columbia, Alberta, Saskatchewan and Manitoba and the American states of Alaska, Oregon, California, Idaho, Nevada, Utah, Arizona, Montana, Wyoming, Colorado, New Mexico, North and South Dakota, Nebraska and Minnesota.
Since the establishment of the Office of Seed and Plant Introduction there has been an office within the USDA with this responsibility, though its name changes periodically. [2] Today, the branch of the USDA responsible for collecting and introducing new plant species is called the National Germplasm Resources Laboratory. [2] [7]
In 2012 the USDA updated their plant hardiness map based on 1976–2005 weather data, using a longer period of data to smooth out year-to-year weather fluctuations. [7] Two new zones (12 and 13) were added to better define and improve information sharing on tropical and semitropical plants, they also appear on the maps of Hawaii and Puerto Rico.
Rhamnus crocea subsp. ilicifolia, synonym Rhamnus ilicifolia, is a subspecies of flowering plant in the buckthorn family, [1] known by the common name hollyleaf redberry. [2] It is native to western North America, where it is a common plant growing in many types of habitat, including chaparral and wooded areas.
Gardening books encompass a variety of subjects from garden design, vegetable gardens, perennial gardens, to shade gardens. Every plant genus or category of plants may also be covered including roses, clematis, bulbs, hellebores, and hydrangeas. The Internet has expanded and enhanced the availability of gardening resources.
The U.S. National Plant Germplasm System (NPGS) is a network of institutions and agencies (federal, state and private) led by the Agricultural Research Service (ARS) of the U.S. Department of Agriculture in the effort to conserve and facilitate the use of the genetic diversity of agriculturally important plants and their wild relatives.
The plant is somewhat variable in appearance, and the species is divided into a few subspecies; some authors also recognize varieties within subspecies. In general, this is a perennial herb growing to maximum heights well over one meter from a woody taproot .
This plant grows in forests, woods, prairies, grasslands, and disturbed areas such as old fields and roadsides. [8] It is a pioneer species and it can become weedy. [6]The flowers have a variety of insect pollinators, including honey bees, carpenter bees, sweat bees, plasterer bees, sphecid wasps, vespid wasps, butterflies, moths, beetles, hoverflies, tachinid flies, flesh flies, blow flies ...