Howellia aquatilis
WebHowellia aquatilis HOME Howellia aquatilis Taxonomy: Campanulaceae, Howellia Category: Dicot Click on any image to enlarge it. Turnbull National Wildlife Refuge; Spokane Co., WA – 6/30/2011 Turnbull National Wildlife Refuge; Spokane Co., WA – 6/30/2011 Turnbull National Wildlife Refuge; Spokane Co., WA – 6/29/2011 Web1 nov. 1992 · Howellia aquatilis can only persist during periods of climatic fluctuation as a metapopulation in an area that contains large numbers of appropriate ponds of various depths. Consequently, long—term protection of this rare species will require habitat protection in large wetland complexes throughout its range.
Howellia aquatilis
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Web16 jun. 2024 · Start Preamble AGENCY: Fish and Wildlife Service, Interior. ACTION: Final rule. SUMMARY: We, the U.S. Fish and Wildlife Service (Service), are removing water howellia (Howellia aquatilis) from the Federal List of Endangered and Threatened Plants.The best available scientific and commercial data indicate that threats to water … 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
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. … WebHowellia 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 …
WebRead & Download PDF Range-wide status assessment of Howellia aquatilis (water howellia) Free, Update the latest version with high-quality. Try NOW! Web7 okt. 2024 · We, the U.S. Fish and Wildlife Service (Service), propose to remove the plant Howellia aquatilis (water howellia) from the Federal List of Endangered and …
WebHowellia aquatilis is an annual aquatic plant of ephemeral ponds. It is considered extirpated or endangered throughout its range in the United States Pacific Northwest. I …
WebRead & Download PDF Update to the status review of Howellia aquatilis : field surveys, monitoring studies, and transplant experiments, 1990 Free, Update the latest version with high-quality. Try NOW! birds on a wire stained glass patternWebTaxa: 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 ... birdsonbat coversWebHowellia 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 … birds on a wire throw pillowWeb25 feb. 2004 · Water Howellia (Howellia aquatilis) is a rare and endangered wetland plant listed as a threatened species under the Federal Endangered Species Act. 70… birds on a wire wall stencilWeb7 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 … birds on a wire stained glassWebLivestock 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, … birds on a wire shower curtainWebHowellia es un género monotípico de plantas perteneciente a la familia Campanulaceae. Su única especie: Howellia aquatilis A.Gray, Proc. Amer. Acad. Arts 15: 43 ,[1] es originaria del noroeste de los Estados Unidos hasta California.[2] birds on a wire tattoo designs