Web26 okt. 2010 · Howellia aquatilis A.Gray (water howellia) is a federally-listed threatened aquatic plant species with limited distribution in four states: California, Ida Population … 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 …
Autecology of the Endangered Plant Howellia Aquatilis; Implications for ...
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 the monotypic genus Howellia.[2] Thomas Jefferson Howell and Joseph Howell discovered the species in 1878.[3] 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 … earliest age a baby starts teething
Category:Howellia aquatilis - Wikimedia Commons
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 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 ... Web24 mrt. 2024 · ITIS - Report: Howellia aquatilis Hosted by the USGS Core Science Analytics and Synthesis. Page designed through the cooperative efforts of interagency … css how to center a div to its parent