OREGON: Rogue Valley, Klamath Basin, Crater Lake

Penstemon rupicola is a species of penstemon known by the common name cliff beardtongue. It is native to the west coast of the United States from Washington to the Klamath Mountains of far northern California, where it grows in rocky mountainous habitat. It is a clumpy, mat-forming subshrub growing no more than 14 centimeters high. The thick, waxy, oppositely arranged leaves are round or oval and up to 2 centimeters long. The showy wide-mouthed tubular flowers... less ↑

Penstemon speciosus is a species of penstemon known by the common name royal penstemon. It is native to the western United States where it can be found in many types of habitat, including plateau and foothill scrub and subalpine mountain forests. It is a perennial herb growing erect to a maximum height near 60 centimeters. The leaves are usually lance-shaped and sometimes folded lengthwise, measuring up to 9 centimeters long. They are arranged oppositely and often... less ↑

Penstemon laetus is a species of penstemon known by the common names mountain blue penstemon and gay penstemon. It is native to the inland mountains of Oregon and California, where its distribution extends from the Klamath Mountains through the Sierra Nevada to the Transverse Ranges. It grows in forest, scrub, and other local mountain habitat. It is a perennial herb growing erect to about 75 centimeters tall, its base becoming woody. The leaves are linear to... less ↑

Eschscholzia californica (California poppy, Californian poppy, golden poppy, California sunlight, cup of gold) is a species of flowering plant in the Papaveraceae family, native to the United States and Mexico. It is an ornamental plant and it is used medicinally and in cooking, and it became the official state flower of California in 1903. less ↑

Delphinium nuttallianum is a species of larkspur known by the common names twolobe larkspur and Nuttall's larkspur. It is widely distributed across western North America from California to Alberta. This wildflower has a white to pink erect stem usually not exceeding half a meter in height which may branch several times. Deeply lobed leaves are located mostly about the base of the plant. The inflorescence occupying the top end of the stem has few widely spaced... less ↑

Anemone occidentalis, the white pasqueflower or western pasqueflower, is a herbaceous plant species in the genus Anemone and family Ranunculaceae. Other authorities place it in the genus Pulsatilla. Individuals are 10 to 60 cm tall, from caudices, with 3 to 6 leaves at the base of the plant that are 3-foliolate, each leaflet pinnatifid to dissected in shape. Leaf petioles are 6-10 cm long. Leaves have villous hairs and their margins are pinnatifid or diss less ↑

Anemone drummondii is a species of anemone known by the common name Drummond's anemone. This wildflower is native to western North America from California to Alaska. It is a squat perennial with short erect stems and small, soft, wrinkled leaves. Each clumping plant produces several showy flowers, each with five to eight petal-like sepals but no petals. The sepals are usually white, often with a distinct blue tint. The flower center is filled with many yellow-anthered... less ↑

Dipsacus fullonum, syn. Dipsacus sylvestris, is a species of flowering plant known by the common names wild teasel or fuller's teasel, although the latter name is usually applied to the cultivated species Dipsacus sativus. It is native to Eurasia and North Africa, but it is known in the Americas, southern Africa, Australia and New Zealand as an introduced species and often a noxious weed. The inflorescence is a cylindrical array of lavender flowers which less ↑

Plectritis congesta is a species of flowering plant in the honeysuckle family known by several common names, including shortspur seablush and rosy plectritis. It is native to western North America from Vancouver Island to southern California, where it is a common plant in coastal forests, seashores, mountain meadows, and other habitat. It is an annual herb growing erect 10 to 60 centimeters tall. The widely spaced, paired and oppositely arranged leaves are oval or some less ↑

Heracleum maximum, cow parsnip (also known as Indian celery, Indian rhubarb or pushki) is the only member of the genus Heracleum native to North America. Its classification has caused some difficulty, with recent authoritative sources referring to it variously as Heracleum maximum or Heracleum lanatum, or as either a subspecies, H. sphondylium subsp. montanum, or a variety, H. sphondylium var. lanatum, of t less ↑

Liriodendron tulipifera—known as the tulip tree, American tulip tree, tuliptree, tulip poplar, whitewood, fiddletree, and yellow-poplar—is the Western Hemisphere representative of the two-species genus Liriodendron, and the tallest eastern hardwood. It is native to eastern North America from Southern Ontario and Illinois eastward to southeastern Massachusetts and Rhode Island, and south to central Florida and Louisiana. It can less ↑

Populus tremuloides is a deciduous tree native to cooler areas of North America, one of several species referred to by the common name aspen. It is commonly called quaking aspen, trembling aspen, American aspen, Quakies, mountain or golden aspen, trembling poplar, white poplar, popple, as well as others. The trees have tall trunks, up to 25 meters (82 feet) tall, with smooth pale bark, scarred with black. The glossy gree less ↑

Hypericum calycinum is a species of prostrate or low-growing shrub in the flowering plant family Hypericaceae. Widely cultivated for its large yellow flowers, its names as a garden plant include Rose-of-Sharon in Britain and Australia, and Aaron's beard, Great St-John's wort, and Jerusalem star. Grown in Mediterranean climates, widely spread in the Strandja Mountains along the Bulgarian and Turkish Black Sea coast. less ↑

Ribes aureum, known by the common names golden currant, clove currant, pruterberry and buffalo currant, is a species in the genus Ribes. It is native to Canada, most of the United States (except the southeast) and northern Mexico. The variety Ribes aureum var. villosum is sometimes considered a full species, Ribes odoratum. less ↑

Ribes cereum is a species of currant known by the common names wax currant and squaw currant (R. c. var. pedicellare is known as whisky currant). It is native to western North America, including British Columbia, Alberta, and much of the western United States, from Washington, Oregon, and California east as far as the western Dakotas and the Oklahoma Panhandle. less ↑

Sedum is a large genus of flowering plants in the family Crassulaceae, members of which are commonly known as stonecrops. The genus has been described as containing up to 600 species updated to 470. They are leaf succulents found primarily in the Northern Hemisphere, but extending into the southern hemisphere in Africa and South America. The plants vary from annual and creeping herbs to shrubs. The plants have water-storing leaves. The flowers usually have five petals,... less ↑

Corallorhiza mertensiana, or Pacific coralroot, is a coralroot orchid native to the shady conifer forests of northwestern North America. It also goes by the common names Western coralroot and Mertens' coralroot. Corallorhiza mertensiana was previously considered a subspecies of Corallorhiza maculata but was given species rank in 1997 by Freudenstein. less ↑

Maianthemum stellatum (star-flowered, starry, or little false Solomon's seal, or simply false Solomon's seal; star-flowered lily-of-the-valley or starry false lily of the valley; syn. Smilacina stellata) is a species of flowering plant, native across North America generally from Alaska to California to North Carolina to Newfoundland, plus northern Mexico (Sonora, Chihuahua, Coahuila, Nuevo León). It has been found in every Canadian pr less ↑

Olsynium douglasii (syn. Sisyrinchium douglasii, Sisyrinchium grandiflorum) is a flowering plant, commonly known as Douglas' olsynium, Douglas' grasswidow, grasswidow, blue-eyed grass, purple-eyed-grass, or satin flower, in the genus Olsynium, native to western North America from southern British Columbia south to northern California, and east to northwest Utah. It is the only species in the genus Olsynium in Nort less ↑

Erythronium hendersonii, Henderson's fawn lily, is a plant in the Lily family native to southwestern Oregon, and northern California. It can be locally very abundant within its range which is in the Rogue River, and Applegate River drainage basins in Josephine County and Jackson County in Oregon, and well as sites in Siskiyou, Del Norte, and Mendocino Counties in California.... less ↑

Veratrum californicum (California corn lily, white or California false hellebore) is a poisonous plant native to mountain meadows at 3500 to 11,000 ft elevation in southwestern North America, the Sierra Nevada and Rocky Mountains, and as far north as Alaska and as far south as Durango. It grows 1 to 2 meters tall, with an erect, unbranched, heavily leafy stem resembling a cornstalk. It prefers quite moist soil, and can cover large areas in dense stands near... less ↑

Veratrum viride, known as Indian poke, corn-lily, Indian hellebore, false hellebore, green false hellebore, or giant false-helleborine, is a species of Veratrum native to eastern and western (but not central) North America. It is extremely toxic, and is considered a pest plant by farmers with livestock. The species has acquired a large number of other common names within its native range, including American false hellebore, American w less ↑

Trillium ovatum, the Pacific trillium, western trillium, western wakerobin, or western white trillium, is a member of the Trilliaceae family, or sometimes included within the Liliaceae or Melanthiaceae. It occurs in parts of the western United States and western Canada, usually in rich forest. In the northern part of its range, which includes southern British Columbia, extreme southwestern Alberta, Washington, Oregon and east to Montana, Wyoming and north less ↑