Howellia aquatilis
Howellia aquatilis, the water howellia, is a small plant in the family Campanulaceae and was considered a threatened species between 1994 and 2024. It is the only species in the monotypic genus Howellia. Thomas Jefferson Howell and Joseph Howell discovered the species in 1878. Meer weergeven The water howellia is found in large area of the Pacific Northwest region of the United States. It can be found in California, Idaho, Montana, and Washington, and it is known historically from Oregon. The plant … Meer weergeven The plant produces two types of flowers. Submerged cleistogamous flowers remain closed and self-pollinate, and flowers that bloom above the surface of the water open into white blossoms and may cross with other individuals. Because it often pollinates … Meer weergeven • USDA Plants Profile Meer weergeven Threats to this species include loss of habitat to logging and draining and conversion to urban use, alteration of the local hydrology by placement of dams and dikes, deposition of silt, livestock activity, introduced species of plants, low genetic diversity, … Meer weergeven Webadversely impacts water howellia populations. We hypothesized that water howellia persists in certain wetlands because habitat conditions are less favorable to reed canarygrass than in other wetlands. To test this hypothesis we located seven wetlands with water howellia and six without howellia that had dominant reed canarygrass stands.
Howellia aquatilis
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WebAbstract: Howellia aquatilis (Campanulaceae) is a rare aquatic plant considered endangered throughout its range in the Pacific Northwest. Howellia appears to have a narrow ecological amplitude, occurring only in temporary ponds suwounded by trees. WebHowellia aquatilis Gray: Encyclopedia of life: Howellia aquatilis Gray: Integrated Taxonomic Information System: Howellia aquatilis: PLANTS Database (USDA/NRCS) Howellia aquatilis: Plants of the World Online: Howellia aquatilis: The International Plant Names Index: Howellia aquatilis A. Gray: USDA-ARS GRIN Taxonomy: search …
Web24 dec. 2024 · Howellia aquatilis in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2024 Aug. 02. … WebGeographic subdivisions for Howellia aquatilis: NCoRH : MAP CONTROLS 1. You can change the display of the base map layer control box in the upper right-hand corner. 2. County and Jepson Region polygons can be turned off and on using the check boxes.
WebTaxa: Howellia. Search Criteria: excluding cultivated/captive occurrences. 1. Page 1, records 1-87 of 87 Washington State University Marion Ownbey Herbarium. WS. Howellia aquatilis A. Gray. 104083 Howell, Jos. United States, Oregon, detailed locality information ... Howellia aquatilis ...
Web7 okt. 2024 · Water howellia is an annual, aquatic herb in the bellflower family (Campanulaceae). The entire plant is smooth, possessing no hairs or projections. The stems are fragile, submerged and floating, reaching up to 39 inches (in.) (100 centimeters (cm)) in length. Stems branch several inches from the base, and each branch extends to the …
WebPOPULATION AND HABITAT MONITORING OF WATER HOWELLIA (HOWELLIA AQUATILIS) AT THE HARVARD–PALOUSE RIVER FLOOD PLAIN SITE, IDAHO: FIFTH-YEAR RESULTS . Idaho Conservation Data Center Idaho Department of Fish and Game PO Box 25 Boise, Idaho Juanita Lichthardt 83707 Karen Gray . 2004 . circumference to square footWebHowellia aquatilis (water howellia) is a small plant in the family Campanulaceae and is considered to a threatened species since 1994. It is the only species in the monotypic … diamond in the rough jewelryWebRead & Download PDF Range-wide status assessment of Howellia aquatilis (water howellia) Free, Update the latest version with high-quality. Try NOW! diamond in the rough lyrics arik ancelinWebLivestock use of howellia wetlands; Invasion by non-native plant species, especially reed canary grass; Outright conversion of wetland habitat to other uses by draining, diking, … diamond in the rough llcWebGeographic subdivisions for Howellia aquatilis: NCoRH : MAP CONTROLS 1. You can change the display of the base map layer control box in the upper right-hand corner. 2. … circumference waist measurementWebHowellia aquatilis, the water howellia, is a small plant in the family Campanulaceae and was considered a threatened species between 1994 and 2024.[1] It is the only species in the monotypic genus Howellia.[2] Thomas Jefferson Howell and Joseph Howell discovered the species in 1878.[3] circumference value body fat chartWebHOWELLIA AQUATILIS (Water Howellia) RECOVERY PLAN . Prepared by: J. Stephen Shelly . Montana Natural Heritage Program/U.S. Forest Service Missoula, Montana . John Gamon . Washington Natural Heritage Program Olympia, Washington . Prepared for: U.S. Fish and Wildlife Service 100 N. Park Ave., Suite 320 Helena, Montana 59601 . January … diamond in the rough logo