Least concern flora of the United States

Holodiscus dumosus is a species of flowering plant in the rose family, with the common names mountain spray, rock-spiraea, bush oceanspray, and glandular oceanspray.

Abies procera, the noble fir, also called red fir and Christmastree, is a western North American fir, native to the Cascade Range and Coast Range mountains of extreme northwest California and western Oregon and Washington in the United States.

Asplenium serratum, the Bird's nest spleenwort, Wild birdnest fern, and New World birdnest fern, is a fern of the New World/Americas.

Quercus macrocarpa, the bur oak, sometimes spelled burr oak, is a species of oak in the white oak section Quercus sect.

Leymus innovatus is a species of grass known by the common names downy ryegrass, boreal wildrye, hairy wildrye, fuzzyspike wildrye, northern wildrye, and northwestern wildrye.

Lilaeopsis schaffneriana is a rare species of flowering plant in the carrot family known by the common names Schaffner's grasswort and cienega false rush.

Sarracenia psittacina, also known as the parrot pitcherplant, is a carnivorous plant in the genus Sarracenia.

Cupressus nootkatensis is a species of trees in the cypress family native to the coastal regions of northwestern North America.

Pinus cembroides, also known as pinyon pine, Mexican pinyon, Mexican nut pine, and Mexican stone pine, is a pine in the pinyon pine group, native to western North America.

Western white pine (Pinus monticola) also called silver pine, and California mountain pine, in the family Pinaceae, is a species of pine that occurs in the mountains of the western United States and Canada, specifically the Sierra Nevada, the Cascade Range, the Coast Range, and the northern Rocky Mountains.

Pseudotsuga menziesii var.

Pycnanthemum tenuifolium, the narrowleaf mountainmint, slender mountainmint, common horsemint or Virginia thyme, is a plant in the mint family, Lamiaceae.

Sarracenia minor, also known as the hooded pitcherplant, is a perennial, terrestrial, rhizomatous, herbaceous, carnivorous plant in the genus Sarracenia.

Trixis californica , the American threefold or American trixis, is a species of flowering plant in the family Asteraceae.

Quercus ellipsoidalis, northern pin oak or Hill's oak, is a North American species of trees native to the north-central United States and south-central Canada, primarily in the Great Lakes region and the Upper Mississippi Valley.

Dennstaedtia punctilobula, the eastern hayscented fern or hay-scented fern, is a species of fern native to eastern North America, from Newfoundland west to Wisconsin and Arkansas, and south in the Appalachian Mountains to northern Alabama; it is most abundant in the east of its range, with only scattered populations in the west.

Rosa virginiana, commonly known as the Virginia rose, common wild rose or prairie rose, is a woody perennial in the rose family native to eastern North America, where it is the most common wild rose.

Mammillaria lasiacantha is a species of cactus in the subfamily Cactoideae, with the common names lacespine nipple cactus, small pincushion cactus, and Biznaga de Espinas Pubescentes (Spanish).

Diervilla lonicera, commonly referred to as northern bush honeysuckle (low bush honeysuckle, dwarf bush honeysuckle, yellow-flowered upright honeysuckle) is a native deciduous shrub found in the northeastern United States and Canada.

Diervilla sessilifolia, the southern bush honeysuckle, a member of the honeysuckle family Caprifoliaceae which blooms in summer, is a perennial shrub found in the Great Smoky Mountains.

Campyloneurum angustifolium is a fern species in the Polypodiaceae family, commonly known as narrow strapfern or narrow-leaf strap fern.

Dennstaedtia bipinnata common names the cuplet fern, cuplet hay-scented fern is a species of fern in the family Dennstaedtiaceae.

Hyptis emoryi (desert lavender) is a large, multi-stemmed shrub species of flowering plant in the Lamiaceae.

Arbutus arizonica, commonly known as Arizona madrone, is a tree species in the heath family family that is native to the southwestern United States and northwestern Mexico.