Howellia aquatilis
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. WebLivestock 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, …
Howellia aquatilis
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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 … 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
WebHowellia aquatilis Gray: Family: Campanulaceae: Common Names: water howellwort: Eastern Washington: Native: Synonyms: None: Conservation Status: State of … WebCategory:Howellia aquatilis. From Wikimedia Commons, the free media repository. Jump to navigation Jump to search. APG IV Classification: Domain: ...
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. WebHowellia in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2014 July 15. Reference page. Tropicos.org 2014. Howellia. Missouri Botanical Garden. Published online. Accessed: 15 July 2014. International Plant Names Index. 2014. Howellia. Published online. …
WebHowellia aquatilis (Q5921821) From Wikidata. Jump to navigation Jump to search. species of plant. water howellia; edit. Language Label Description Also known as; English: Howellia aquatilis. species of plant. water howellia; Statements. instance of. taxon. 0 …
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. dizzy when leaning forwardWebHowellia 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 dizzy when looking at computer screenWebHowellia 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] crate training a rescue dogWebTaxa: 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 ... crate training classes near mecrate training a puppy zak georgeWebHowellia 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 … dizzy when lay on right sideWebAbstract: 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. dizzy when leaning head back