Learn how to identify Phragmites and distinguish between the native and non-native forms. This is complicated by the fact that there is a "native" phragmites and an "invasive or non-native" species. Phragmites, also known as the common reed, is a large perennial grass typically found in temperate and tropical regions. There are many guides to differentiate the two subspecies. How to identify phragmites? The non-native variety is an aggressive wetland invader that out-competes native plant species. 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. The sheaths of non-native Phragmites more consistently overlap each other, so the stem appears to be more consistently green. PHRAGMITES HOW TO IDENTIFY NON-NATIVE PHRAGMITES Non-native Phragmites can look quite similar to native Phragmites and a few other grasses. Integrated Taxonomic Information System. (Phragmites australis subsp. To contact staff, see the Noxious Weed Control Program Directory, send an email, or call 206-477-WEED (206-477-9333). Most herbicides can control Phragmites throughout the season and only needs to be applied once a year. Always get confirmation from an expert and report all stands to WDNR. 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 … Lower sheaths may be somewhat loose, but may not gap yet. [Accessed Sep 10, 2014]. In early to mid summer, the leaf sheaths on the upper stems of native Phragmites are also tightly adhering. and allows for identification of phragmites regrowth for herbicide spot treatment. There are both native and non-native strains of this plant in Washington. Identification. Measure ligule height on … Minnesota Aquatic Invasive Species Research Center 135 Skok Hall | 2003 Upper Buford Circle St. Paul, MN 55108-6074 maisrc@umn.edu | Intranet, Minnesota Aquatic Invasive Species Research Center (MAISRC), Click here to download this guide to identifying native and non-native. When to see January to December. Invasive Species - (Phragmites australis) Restricted in Michigan Invasive phragmites (also known as common reed) is a warm-season perennial grass with a rigid hollow stem and leaves that are flat, smooth, and green to grayish-green. Before attempting to control Phragmites, it is important to be able to distinguish the native Phragmites . The GLRI Phragmites Decision Support Tool (DST) Mapper is intended to provide resource managers with information to strategically develop effective Phragmites control and invasion prevention programs in the Great Lakes coastal zone (10 km inland from the shoreline). Ligule height can be a strong character, but is not as readily identifiable in the field, although note that the thickness of the band of color along the ligule can be used in the field. Grasses, sedges and rushes; Statistics Height: up to 4m. How to properly identify, control and eventually eradicate Invasive Phragmites. Additional information on how to identify native versus non-native phragmites … Scientific name: Phragmites australis. Although it grows mostly in wetlands, it can also be found growing in roadside ditches and on beaches and dunes. Herbicide Control of Phragmites. The following information can help in identifying Invasive Phragmites. Since the native sub-species is not an invasive plant, the remainder of this article will focus on the non-native sub-species australis. We have also trained them to identify and map native phragmites (Phragmites australis subsp. australis. STEMS Stems are hollow, ridged, and rough. Click here to download this guide to identifying native and non-native Phragmites as a PDF. Prevention, proper identification and early detection are the most effective measures to manage the plant. Identifying Invasive Phragmites One factor making the identification of invasive Phragmites difficult is the existence of a closely related native subspecies. australis (Common reed) is an invasive perennial grass that was … Wetland areas typically occupied by cattails are great places to look for phragmites. Figure ll. 2 | Phragmites Marsh Invader Marsh invader Phragmites (Phragmites australis) is a tall, perennial wetland grass found throughout the United States. Herbicide Control of Phragmites. In early summer, the stems will already be red where they are not covered by the sheath and they will be smooth and shiny. Here we provide guidance to assist you in making this distinction. The project began mapping all known locations of phragmites using GPS technology and to develop a GIS layer for the State. Phragmites australis. Today, non-native phragmites can be found over much of North America. Ligule height (thickness) is one of the stronger characters for identifying non-native Phragmites. Phragmites (Phragmites australis) is a tall, perennial wetland grass found throughout the United States. The researchers submitted samples from each site to Dr. Bernd Blossey at Cornell University for genotyping and input into his national database. Because native populations have bee… That way if any roots, rhizomes, stolons, or seeds happen to have escaped into the debris by remote chance – they are easily identified next year if they are able to root. Here are some steps to help you locate the plant even in the fall, so that you maybe able to map it using EDDMapS Ontario. However, it may be present, so it is important to identify the native phragmites versus the non-native invasive variety before attempting control. Identifying this invasive can be difficult due to the existence of native subspecies. Generally, native Phragmites does not grow as tall as the invasive plant and does not out-compete other native species. 1. The common reed has been used for medicinal purposes since ancient times, including for removing thorns and splinters, soothing dislocations and hip pains, as a diuretic, and to … 2002. Authors as Published. That piece gives us a tool with details on how to identify the non-native Phragmites from the native variety. On lower leaves, ligules may be degraded. The first step to controlling invasive Phragmites is being able to identify the plant. The recommendation for phragmites was based upon this literature review [PDF] developed by the department. Due to the similarity of non-native Phragmites and native Phragmites, proper identification of the grass is important before taking management action. americanus) that is not a threat to biodiversity. This plant reproduces vegetatively and by seed. The stiff, hollow stalks support leaf blades that are smooth, broad and flat (1-1/2 - 2 inches wide). australis) General description: Perennial wetland grass that grows 3-20’ tall with dull, very slightly ridged, stiff, and hollow stems. Most herbicides can control Phragmites throughout the season and only needs to be applied once a year. Identification. But some ask, “What makes a plant invasive?” And “How is that different than non-native invasive?” In response to these questions, we first need to look at … phrag/morph.htm) can be used to identify native and nonnative phragmites. Measure ligule height on leaves from approximately the middle third of the plant. One factor making the identification of invasive Phragmites difficult is the existence of a closely related native subspecies. Ecological threat: Invades moist habitats including lake shores, river banks and roadways. Distinguishing native from non-native Phragmites australis can be challenging. 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! Note that the sheaths of native Phragmites, particularly on the lower stems, do not consistently overlap each other and the stem is exposed in the gap between the two adjacent sheaths. Stand density, stem height, leaf color, and inflorescences are variable characters that are not reliable on their own for identification. Identification and Control of Common Reed (Phragmites australis) in Virginia. These near-monoculture stands create areas that are low in biodiversity, and are composed of a high percentage of invasive Phragmites, up to 100%. The plant ranges in height from 6-13 feet. They also tend to have thicker rhizomes, thicker and taller culms, and wider leaves than Phragmites, but there is some overlap. In King County, most infestations are still small and can be eradicated. Don’t rely on these characteristics alone to make an ID. Two varieties, one native and the other introduced from Europe, are found in Virginia. have a handy guide for field use to help identify and differentiate between native and exotic forms of common reed. Mowing and cutting should not occur until at least two weeks after herbicide treatment to allow plant exposure to the herbicide. How to Identify Invasive Phragmites One factor making the identification of Invasive Phragmites difficult is the existence of a closely related native subspecies. The Mighty Phragmites. Mapping and Identifying are the first couple of steps in dealing with this aggressive invasive plant. Common reed is a tall perennial grass with creeping rhizomes that may make a dense vegetative mat. We understand that identification of invasive Phragmites is is a key concern. This field guide presents the most current information This tall wetland grass is also known as common reed. Because native populations have been found in the region, careful identification by an expert is needed before any eradication measures are taken. That way if any roots, rhizomes, stolons, or seeds happen to have escaped into the debris by remote chance – they are easily identified next year if they are able to root. Comparison of exotic and native spikelets. Yes – there is a a NATIVE Phragmites (Phragmites australis subsp.
2020 how to identify phragmites