It is based on a PowerPoint “Phragmented Phragmites ” previously posted on the Weeds Gone Wild website. Always get confirmation from an expert and report all stands to WDNR. Our first STEAM lab's Phragmites australis specimens were collected in Brick, NJ, after the leaves were gone and stems were dry and brittle.This presented an extra level of challenge for identification, and students were up to the task! The following information can help in identifying Invasive Phragmites. An open field or paved area is best. These characters are best used after mid-summer and in winter. Its proper name - Phragmites - makes it sound like a crawling creature, or a disease. Due to its aggressive tendencies and impact to waterways, the non-native strain or haplotype is a Phragmites found in both eastern and western Washington and some infestations are many acres in size. There are many guides to differentiate the two subspecies. Herbicide control is a great option for Phragmites because you can literally apply the herbicide and then sit back and let it do its work. Phragmites, pronounced with a short ӑ, long ī and a long ē, is derived fr… Confirm the ID using characteristics of the sheath, stem texture, stem color, and ligule. To contact staff, see the Noxious Weed Control Program Directory, send an email, or call 206-477-WEED (206-477-9333). These plumes form at the end of stalks, are 6-20 inches long and up to 8 inches broad, and have many branches. The common reed is a cosmopolitan plant, meaning it is found throughout the world. The morphological characters presented here are in order of stronger characters to weaker characters. One factor making the identification of invasive Phragmites difficult is the existence of a closely related native subspecies. Although it may not be easy to measure in the field, it can be visually determined with a little practice using the cues described here. Because native populations have bee… Phragmites is much more widely distributed than Arundo in North America. An open field or paved area is best. Distinguishing native from non-native Phragmites australis can be challenging. Non-native Phragmites, also known as common reed, is a perennial, aggressive wetland grass that outcompetes native plants and displaces native animals. The Washington State Department of Agriculture (WSDA) received a grant from Department of Ecology in 2003 to undertake a statewide phragmites project. Due to the similarity of non-native Phragmites and native Phragmites, proper identification of the grass is important before taking management action. On lower leaves, ligules may be degraded. have a handy guide for field use to help identify and differentiate between native and exotic forms of common reed. Mapping and Identifying are the first couple of steps in dealing with this aggressive invasive plant. Conservation status. Wetland areas typically occupied by cattails are great places to look for phragmites. Stand density, stem height, leaf color, and inflorescences are variable characters that are not reliable on their own for identification. However, it may be present, so it is important to identify the native phragmites versus the non-native invasive variety before attempting control. Herbicide Products To Control Phragmites- Rodeo Herbicide. ID. All of the populations from King County were identified as the non-native haplotype. This is especially important if you are planning to do work in an area which contains invasive Phragmites. Because of the limited distribution in the county and the potential serious impact, control of phragmites is required in King County. Generally, native Phragmites does not grow as tall as the invasive plant and does not out-compete other native species. australis (common reed) and are based on the most effective and environmentally safe Phragmites control practices known from recent research findings, field trials, and experience. Phragmites australis subsp. Native Phragmites does There is a a native Phragmites (Phragmites australis subsp. Here is some collected information - videos and tips that we have collected at Georgian Bay Forever. They also tend to have thicker rhizomes, thicker and taller culms, and wider leaves than Phragmites, but there is some overlap. Learn how to identify Phragmites and distinguish between the native and non-native forms. 2002. Photo credit: Katherine Hollins. Identification. Phragmites were at one point considered an invasive and exotic species in North America, however, recent evidence has shown that the plants are actually native. Potential for biological control of Phragmites australis in North America. STEMS Stems are hollow, ridged, and rough. There are both native and non-native strains of this plant in Washington. Because of its height and its distinctive, fluffy seedheads, Phragmites is easy to spot, even by traveling motorists. They are green with yellow nodes during the growing season and tan/yellow in the … Ligules on upper, newly emerging leaves are not as well-developed. Comparison of exotic and native spikelets. Phragmites Control: Easily Kill Phragmites in your Pond or Lake Phragmites, also known as the common reed, is a large perennial grass typically found in temperate and tropical regions. A solid ID depends on using as many as 6 different characters. The rhizomes allow the plant to form large colonies. They lack fungal spots (common on native phragmites). How to identify and combat one of Virginia’s most invasive plants: Phragmites. These near-monoculture stands create areas that are low in biodiversity, and are composed of a high percentage of invasive Phragmites, up to 100%. These BMPs are subject to change as new research findings emerge. Authors as Published. The invasive subspecies of phragmites (Phragmites australis) looks very similar to a native species (Phragmites americanus), and it is imperative that a stand be identified as invasive before implementing a management plan. While Phragmites australis is native to Michigan, an invasive, non-native, variety of phragmites is becoming widespread and is threatening the ecological health of wetlands and the Great Lakes coastal shoreline. phrag/morph.htm) can be used to identify native and nonnative phragmites. Common reed grass (Phragmites) is a tall, invasive perennial wetland grass ranging in height from 3-15 feet. For example, if you have a 2-gallon sprayer and would like to spray a 1.5% solution of glyphosate to common reed (the recommended rate for hand-held sprayers), you would fill a container with almost 2 gallons of clean water, then add 4 ounces … This can still be accomplished in the late Fall (take proper precautions if you are boating). Identify a place to spread the Phragmites out to dry on tarps. Lower sheaths may be somewhat loose, but may not gap yet.