have a handy guide for field use to help identify and differentiate between native and exotic forms of common reed. Identification. How to Identify Phragmites in Northern Michigan Little Traverse Bay Bands of Odawa Environmental Services (231) 242-1570 [email protected] Tip of the Mitt Watershed Council (231) 347-1181 www.watershedcouncil.org [email protected] In Northern Michigan, there are two varieties of Phrag- mites australis, a native variety and a non-native, invasive variety. Always get confirmation from an expert and report all stands to WDNR. 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. Figure 11 shows exotic and native spikelets side by side. Generally, native Phragmites do not grow as tall as the invasive plant and does not out-compete other native species. In contrast to the yellowish leaves of native Phragmites, leaves of invasive Phragmites have a bluish hue. Figure ll. Other emerging high-threat species may be added as determined by project partners during the project period. Non-native Phragmites can look quite similar to native Phragmites and a few other grasses. Cryptic invasion by a non-native genotype of the common reed, Phragmites australis, into North America. Invasive phragmites generally reaches heights of up to 5 metres and has stems that are tan in colour with blue-green leaves and large, dense seed heads. Can grow so densely that it crowds out other species. Measure ligule height on leaves from approximately the middle third of the plant. Non-native Phragmites has been described as perhaps the most widely distributed and abundant grass on earth. ... How to identify Common reed has tall, hollow, golden stems. In King County, most infestations are still small and can be eradicated. Can reach heights of up to 5 metres (15 feet). This field guide presents the most current information Confirm the ID using characteristics of the sheath, stem texture, stem color, and ligule. Phragmites australis. americanus), which is quite common in the UP coastal zone and interior wetlands. It can grow so densely that it crowds out other species, while native phragmites is typically not as dense and doesn’t impede biodiversity. Because of the limited distribution in the county and the potential serious impact, control of phragmites is required in King County. Phragmites australis is one of the main wetland plant species used for phytoremediation water treatment. How to Identify Invasive Phragmites One factor making the identification of Invasive Phragmites difficult is the existence of a closely related native subspecies. ID. The Mighty Phragmites. 2002. Native vs. Invasive Phragmites - How can you tell them apart? Phragmites australis subsp. 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! Identifying Invasive Phragmites One factor making the identification of invasive Phragmites difficult is the existence of a closely related native subspecies. 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! In King County, most infestations are still small and can be eradicated. How to identify phragmites? Characters most readily identifiable in the field are leaf sheath adherence to the stem and stem glossiness. Phragmites, also known as the common reed, is a large perennial grass typically found in temperate and tropical regions. How to properly identify, control and eventually eradicate Invasive Phragmites. Yes – there is a a NATIVE Phragmites (Phragmites australis subsp. Mowing and cutting should not occur until at least two weeks after herbicide treatment to allow plant exposure to the herbicide.
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