Common Name: Wingleaf Primrose-Willow Scientific Name: Ludwigia Decurrens Order: Myrtales Family: Onagraceae Wetland Plant Statu

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Common Name: Wingleaf Primrose-willow Scientific Name: Ludwigia decurrens Order: Myrtales Family: Onagraceae Wetland Plant Status: Obligatory Ecology & Description Wingleaf primrose-willow can reach a height of 3-6 feet, making it the tallest water primrose. It is a native species that stands upright, unlike other Ludwigia sp. that typically trail along water or ground. The leaves are linear and alternate with an entire margin. The flowers have 4-5 yellow petals with a “seedbox” directly below the flower. (Some researchers refer to the Ludwigia genus as the seedboxes.) Wingleaf primrose-willow can be distinguished from the other water primroses by its 4-winged stem. Wingleaf primrose-willow is not adapted to coarse textured soils. It is adapted to fine textured soils and medium textured soils. This water primrose is considered to have a high anaerobic tolerance. Habitat Wingleaf primrose-willow occurs on saturated soils that typically only pond for short periods of time, such as 3-14 days. It is commonly found with smartweed and flat sedge. Typically, this water primrose is found on wetter sites than smooth seedbox (Ludwigia alternifolia), but dryer sites than most of the rest of the water primroses. Distribution Wingleaf primrose-willow is found from Texas and Florida to Pennsylvania and Illinois. Native/Invasive Status Wingleaf primrose-willow is native to the Southeastern United States. Wildlife Uses Wingleaf primrose-willow is very good browse for deer, goats, cattle, and sheep. Waterfowl will also feed on the seeds of this plant. Management & Control Techniques Wingleaf primrose-willow can be found as individual plants within a variety of other species, but in some cases it can dominate the plant community. Management practices vary depending upon the number of plants. Because wingleaf primrose-willow is good browse, it is typical not viewed as a nuisance. References Davis, L. 2003. Plant Guide: Willow Primrose. United States Department of Agriculture Natural Resources Conservation Service. Online. <http://plants.usda.gov/plantguide/pdf/pg_lude4.pdf> Accessed February 2015. National Wetland Plant List. 2014. Ludwigia decurrens. Army Engineering Research and Development Center, United States Army Corps of Engineers. Online. <http://rsgisias.crrel.usace.army.mil/nwpl_static/data/DOC/lists_2014/States/pdf/L A_2014v1.pdf> Accessed February 2015. This document was authored by Onalise Hill, School of Forestry, Louisiana Tech University, February 2015. .

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Ludwigia Spp
A WEED REPORT from the book Weed Control in Natural Areas in the Western United States This WEED REPORT does not constitute a formal recommendation. When using herbicides always read the label, and when in doubt consult your farm advisor or county agent. This WEED REPORT is an excerpt from the book Weed Control in Natural Areas in the Western United States and is available wholesale through the UC Weed Research & Information Center (wric.ucdavis.edu) or retail through the Western Society of Weed Science (wsweedscience.org) or the California Invasive Species Council (cal-ipc.org). Ludwigia spp. Waterprimroses Family: Onagraceae Range: Primarily in the coastal states, Washington, Oregon and California; creeping waterprimrose is also found in Arizona and New Mexico. Habitat: Slow-flowing rivers, lake and reservoir margins, and in the shallow waters of canals and floodplains. Origin: Most species are native to South America. L. peploides ssp. peploides is native to California, Arizona, New Mexico, Ludwigia peploides Texas, and Louisiana; ssp. glabrescens (Kuntze) Raven is native to the central and eastern U.S.; and ssp. montevidensis (Spreng.) Raven is introduced from southern South America. L. peploides is sometimes sold as an aquarium or pond ornamental. Impacts: Dense stands degrade natural communities, reduce water quality and floodwater retention, and prevent effective mosquito control. Plants can develop a tangled mat of stems that can reduce water flow in irrigation channels and drainage ditches. Western states listed as Noxious Weed: L. grandiflora, Washington California Invasive Plant Council (Cal-IPC) Inventory: L. hexapetala, High Invasiveness (Alert); L. peploides, High Invasiveness Waterprimroses are floating to emergent perennials with stems to 10 ft long.
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Vascular Flora of the Possum Walk Trail at the Infinity Science Center, Hancock County, Mississippi
The University of Southern Mississippi The Aquila Digital Community Honors Theses Honors College Spring 5-2016 Vascular Flora of the Possum Walk Trail at the Infinity Science Center, Hancock County, Mississippi Hanna M. Miller University of Southern Mississippi Follow this and additional works at: https://aquila.usm.edu/honors_theses Part of the Biodiversity Commons, and the Botany Commons Recommended Citation Miller, Hanna M., "Vascular Flora of the Possum Walk Trail at the Infinity Science Center, Hancock County, Mississippi" (2016). Honors Theses. 389. https://aquila.usm.edu/honors_theses/389 This Honors College Thesis is brought to you for free and open access by the Honors College at The Aquila Digital Community. It has been accepted for inclusion in Honors Theses by an authorized administrator of The Aquila Digital Community. For more information, please contact [email protected]. The University of Southern Mississippi Vascular Flora of the Possum Walk Trail at the Infinity Science Center, Hancock County, Mississippi by Hanna Miller A Thesis Submitted to the Honors College of The University of Southern Mississippi in Partial Fulfillment of the Requirement for the Degree of Bachelor of Science in the Department of Biological Sciences May 2016 ii Approved by _________________________________ Mac H. Alford, Ph.D., Thesis Adviser Professor of Biological Sciences _________________________________ Shiao Y. Wang, Ph.D., Chair Department of Biological Sciences _________________________________ Ellen Weinauer, Ph.D., Dean Honors College iii Abstract The North American Coastal Plain contains some of the highest plant diversity in the temperate world. However, most of the region has remained unstudied, resulting in a lack of knowledge about the unique plant communities present there.
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Report of a Pest Risk Analysis For: Ludwigia Grandiflora
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Ludwigia Grandiflora (Large-Flower Primrose-Willow) ERSS
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Recent Distribution and Phytosociological Affiliation of Ludwigia Palustris in Slovakia
Acta Societatis Botanicorum Poloniae DOI: 10.5586/asbp.3544 ORIGINAL RESEARCH PAPER Publication history Received: 2016-02-28 Accepted: 2017-03-08 Recent distribution and phytosociological Published: 2017-03-31 affiliation of Ludwigia palustris in Slovakia Handling editor Joanna Zalewska-Gałosz, Faculty of Biology and Earth Sciences of the Jagiellonian University, Daniel Dítě1, Pavol Eliáš Jr.2*, Zuzana Dítě1, Andrea Šimková3 Poland 1 Plant Science and Biodiversity Center, Institute of Botany, Slovak Academy of Sciences, Dúbravská cesta 9, 845 23 Bratislava, Slovakia Authors’ contributions 2 Slovak University of Agriculture, A. Hlinku 2, 949 76 Nitra, Slovakia DD: idea of the study; DD, ZD: 3 Administration of Latorica Protected Landscape Area, Záborského 1760/1, 075 01 Trebišov, writing the first draft of the Slovakia manuscript; PE: revision of the manuscript, map and table * Corresponding author. Email: [email protected] creating; AŠ: comments to the manuscript; all the authors: field study, relevés sampling Abstract Funding Ludwigia palustris has always been a very rare species in Central Europe. In Slo- The research was partially vakia, its occurrence remained unconfirmed for over 60 years and it was therefore funded by the projects VEGA 1/0083/16 and VEGA 2/0040/17. considered extinct. The paper reports its rediscovery on two sites in SE Slovakia. Both localities were found in the Latorica River catchment area in 2015 when per- Competing interests sistent summer droughts enabled the development of natural mudflat vegetation No competing interests have in the dried oxbows. Confirmation of this historic site indicates the long-term been declared. survival ability of the species.
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Ludwigia ID Guide
A handful of primary features are useful for distinguishing water primrose (Ludwigia) from other plants. Understand what to look for, such as leaf arrangement and number of petals. Pairing morphological features with growth habit in the field quickly narrows down the thirty-odd species of water primrose in Florida to the handful most commonly found in the lakes, ponds, rivers and canals typically frequented by aquatic managers. 1 This genus of plants was named after a German botanist may not have been happy over the Latinization of his name. Florida has about 30 species. Habitat serves as general indicator of species. 2 Ludwigia peruviana is our most commonly seen species. Demonstrating little preference for an aquatic habitat, it forms tall thickets along roadside ditch banks and upper shorelines. It recurs perennially from thick, woody stem bases. Its tough stems and rough, hairy leaves afford a level of upland tolerance to this non-native, invasive species. 3 Most pertinent to aquatic managers in Florida are the emergent aquatics. 4 Stems are what gives these emergent species of aquatic habitats a special punch. They are reservoirs of energy used in maintaining, expanding, and recurring populations. With our emergent Ludwigia, stems are the most important plant feature in management. Fibrous roots acquire nutrients and help bind the submersed and floating stems into dense mats that provide support for emergent stems. 5 Special aquatic adaptations for oxygenation in an anaerobic environment. It is common for aquatic Ludwigia species to display multiple shades of green and red. 6 Apply these three initial steps to eliminate species and to arrive at the emergent aquatic Ludwigia in Florida.
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Common Name: Anglestem Primrose-Willow Scientific Name: Ludwigia Leptocarpa Family: Myrtales Order: Onagraceae Wetland Plant
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