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 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
Autecology of the Endangered Plant Howellia Aquatilis; …
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 ... 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. how far is wetumpka from montgomery
Howellia aquatilis - Wikiwand
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. … 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, … WebGenus: Howellia Species: H. aquatilis. Name . Howellia A.Gray, Proc. Amer. Acad. Arts 15: 43 (1880) monotypic taxon; References . Gray, A. (1880) Proceedings of the … how far is west yellowstone from old faithful