Howellia aquatilis
WebHowellia plants begin producing underwater cleistogamous flowers (flowers that self- fertilize without opening) soon after the plants begin growing in the spring, by early April to early … 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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WebHowellia 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] 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 …
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 ... 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
Webbot-howellia-aquatilis-disturbance-analysis-2024 Identifier-ark ark:/13960/t8bh1m529 Ocr ABBYY FineReader 11.0 (Extended OCR) Page_number_confidence 59.46 Pages 38 Ppi 300 Scanner Internet Archive HTML5 Uploader 1.6.4 Worldcat (source edition) 1145988641 Year 2024 . Full catalog record MARCXML. plus-circle ... 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.
http://www.dissertations.wsu.edu/Thesis/Spring2007/l_robison_050207.pdf
Web14 jul. 1994 · Howellia aquatilis (water howellia), a highly specialized wetlands plant, is a monotypic genus in the bellflower family (Campanulaceae). The plant was first described … phinney\\u0027s point ottawaWebPOPULATION 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 . tsow chaoongWebHOWELLIA 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 … tso violin playerWebResumen: La Howellia Aquatilis (Campanulaceae) es una planta acuática poco común, considerada en peligro de extinción a lo largo de su rango en el noroeste del Pacífico. La … tso victory lakes txWebRead & 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! tso vocalistsWebHowellia 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 … tso watters creek allen txWebHowellia 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] tso webconnector