Bistorta officinalis, known as bistort, common bistort, European bistort or meadow bistort, is a species of flowering plant in the dock family Polygonaceae native to Europe and north and west Asia. The generic placement of this species is in flux. While treated here in Bistorta, it has also been placed in Polygonum or Persicaria. Other common names include snakeroot, snake-root, snakeweed and Easter-ledges.
Lake Chelan is a narrow, 50.5-mile (81.3 km) long lake in Chelan County, north-central Washington state, U.S. Before 1927, it was the largest natural lake in the state by any measure. Upon the completion of Lake Chelan Dam in 1927, the elevation of the lake was increased by 21 feet (6.4 m) to its present maximum-capacity elevation of 1,100 feet (340 m). Two communities lie on the southern end of the lake, and a third sits at the far north end, providing a gateway to the North Cascades National Park.
This is a list of properties and historic districts in Washington that are listed on the National Register of Historic Places. There are at least three listings in each of Washington's 39 counties.
Bistorta affinis, the Himalayan bistort, fleece flower, or knotweed, is a species of flowering plant in the family Polygonaceae, native to the Himalayas.
Dendrobium kingianum, commonly known as the pink rock orchid, is a flowering plant in the orchid family Orchidaceae and is endemic to eastern Australia. It usually grows on rocks, rarely as an epiphyte, and has thin, spreading leaves and spikes of up to fifteen, usually pink flowers in late winter to spring. It is popular in Australian native horticulture and is a commonly cultivated orchid among Australian orchid species growers.
Petrophytum is a small genus of plants in the rose family known as the rock spiraeas or rockmats. These are low mat-forming shrubs which send up erect stems bearing spike inflorescences of flowers. The brushy flowers are white and have many stamens and hairy, thready pistils. Rockmats are native to western North America.
Petrophytum caespitosum is a species of flowering plant in the rose family known by the common name mat rock spiraea.
Selaginella cinerascens is a species of spikemoss known by the common names mesa spikemoss, gray spikemoss, and ashy spikemoss. It is native to Baja California as well as some locations just north of the border in San Diego County, California. It grows in dry habitat, often on clay soil, both in open areas and in the shade of larger plants. This lycophyte forms mats of spreading, forking stems up to 18 centimeters long. The plant is often gray or brown in color, forming a dull-colored carpet on the substrate. The linear or lance-shaped leaves are 1 to 3 millimeters long and lack bristles at the tips. The leaves are green when new or moist. They are flattened to the stem or stick out just a little. The strobili borne at the leaf bases are yellow in color and no more than 4 to 5 millimeters long.
Conradina verticillata is a species of flowering plant in the mint family known by the common names Cumberland rosemary, or Cumberland false rosemary, and upland rabbitbane. It is endemic to the Cumberland Plateau in the United States, where it occurs along the tributaries of the Cumberland River and the Tennessee River in Kentucky and Tennessee. It is known from several occurrences which are mostly small and often degraded in quality. Because many occurrences of the plant are threatened by numerous processes, the plant is federally listed as threatened.
Roscoea cautleyoides is a perennial herbaceous plant occurring in the Sichuan and Yunnan provinces of China. The scientific name is also spelt Roscoea cautleoides. Most members of the ginger family (Zingiberaceae), to which it belongs, are tropical, but R. cautleyoides, like other species of Roscoea, grows in much colder mountainous regions. It is sometimes grown as an ornamental plant in gardens.
Roscoea humeana is a perennial herbaceous plant occurring in the Sichuan and Yunnan provinces of China. Most members of the ginger family (Zingiberaceae), to which it belongs, are tropical, but R. humeana, like other species of Roscoea, grows in much colder mountainous regions. It is sometimes grown as an ornamental plant in gardens.
Roscoea forrestii is a perennial herbaceous plant occurring in the Sichuan and Yunnan provinces of China. Most members of the ginger family (Zingiberaceae), to which it belongs, are tropical, but R. forrestii, like other species of Roscoea, grows in much colder mountainous regions. It is sometimes grown as an ornamental plant in gardens. It was named after George Forrest (1873-1932) who discovered it in Yunnan.
Sedum moraniii is a rare species of flowering plant in the stonecrop genus known by the common name Rogue River stonecrop. It is endemic to Oregon in the United States, where it only grows in Josephine County next to the Rogue River.
Viola frank-smithii is a rare species of violet known by the common name Frank Smith's violet. It is endemic to Utah in the United States, where it is known only from Logan Canyon in the Bear River Range in Cache County.
Roscoea australis is a perennial herbaceous plant found in Burma, to the south of all other members of the genus. Most members of the ginger family (Zingiberaceae), to which it belongs, are tropical, but R. australis, like other species of Roscoea, grows in much colder mountainous regions.
Roscoea nepalensis is a perennial herbaceous plant found in Nepal. Most members of the ginger family (Zingiberaceae), to which it belongs, are tropical, but R. nepalensis, like other species of Roscoea, grows in much colder mountainous regions.
Penstemon barrettiae is a species of flowering plant in the plantain family known by the common name Barrett's beardtongue. It is endemic to the Pacific Northwest of North America, where it occurs only in Washington and Oregon.
Silene seelyi is a species of flowering plant in the pink family known by the common names Seely's catchfly and Seely's silene. It is endemic to Washington State in the United States, where it is limited to the Wenatchee Mountains of Chelan and Kittitas Counties.
Haworthiopsis venosa, formerly Haworthia venosa, known in Afrikaans as venstertjie, is a species of flowering plant in the genus Haworthiopsis belonging to the family Asphodelaceae, native to Namibia and South Africa.
Hypericum przewalskii, commonly called Przewalski's St. John's wort, is a flowering plant in Hypericumsect. Roscyna that is native to China.
At Kew Gardens in London
