There are many types of sedges (over 100), and they are difficult to identify without using detailed botanical keys. Native sedges can be found thriving in just about any environment, from woodlands to marshes, and even dry sand. In annual forms, the stem is solitary to mostly several with basal leaves. Sedge and Rush Keys: Source: Cyber Sedge: Texas A&M Bioinformatics Working Group: Herbarium: University of Michigan: Interactive ID Keys for Sedges and Rushes: Louisiana State University Herbarium . The presence or absence of a ligule and the type of ligule is a key to grass identification. You will be responsible for identifying the following grasses: barnyardgrass (Echinochloa crus … Nutsedge is a perennial sedge, meaning it is a grasslike plant that will live for at least two years and will come back year after year. Issue331-Oct-18:Minorcorrectionsandlayoutchanges Page5of45 B. Severalspikes,allsimilarinappearance.Thearrangementofmaleandfemaleflowersinthese Stephen H. Futch and David W. Hall 2. "Sedges have edges. What Type of Sedge Do I Have? POACEAE: GRASSES • Floret: the highly reduced flower of grasses • Spikelet: a small spike with reduced flowers on a central axis • Pedicel: the stalk of the spikelet • Glumes: the sterile, scale-like leaves at the base of a grass spikelet • Lemmas: the lowermost, scale-like leaves at the base of a grass floret • Ligule: in grasses, a papery, hairy or membrane-like extension Key features of sedges: Stems are very often triangular in cross-section and are solid, not hollow. 31 How to Use the Identification Key 34 Collecting Sedges 36 Abbreviations and Symbols 37 Identification Key to Sedges of the Pacific Northwest 38 Key A. Inflorescences consisting of a single spike 41 Key B. Inflorescences normally entirely staminate 42 Key C. Perigynia hairy 44 Key D. Kobresia; perigynia open on one side; short cespitose This common rhyme can help you remember the key differences between the Sedge, Rush, and Grass families. • Learn use of plant keys • Differentiate grass/sedge/rush families • Sight recognize some common sedges, grasses and rushes • Become familiar with botanical texts TAXONOMY ... 2015 Intro to Grasses Sedges and Rushes ID 2.pdf Author: skoehler Created Date: Use this guide to identify nutsedge in your lawn. Leaves are usually 3-ranked (they come out on 3 sides of the stem) (while true grasses are 2-ranked, opposite). ... Gray’s sedge is a great example of how important the fruiting parts of sedges are for identification. In Texas, there are many common species of sedges, 2 of which are listed below. Tree and Shrub ID: Source: Plant Identification: Trees and Shrubs Pocket ID Guide: Plant Materials Program: Then, read the rest of our 4-part guide to learn how to get rid of nutsedge and where nutsedge grows . Identification of Sedge and Sedge-Like Weeds in Florida Citrus 1. Grasses are hollow. Arching, spiky, mounding, compact or airy, their ornamental qualities and their many uses have made them increasingly popular in the designed landscape. Sedges are annual or mostly perennial grass-like plants with aerial flower-bearing stems. Most sedges have triangular stems ("edges"), except for Scripus, which has round stems. C. Grass Weed Identification Grasses are the most difficult weeds to identify at the seedling stages. Click on the buttons to learn more about each individual species. A technical key to identifying weeds, from the UC Weed Research and Information Center UC WRIC online education programs Videos on weed identification and management, from the UC Weed Research and Information Center Rushes are round. What have you found?" Sedges tend to grow in damp ground, often bordering swamps and streams. 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