Agropyron repens (Couch Grass or Twitch; syn. Elymus repens, Elytrigia repens) is a very common species of grass native to Europe. It has creeping rhizomes which enable it to grow rapidly across grassland. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Divisions Green algae Land plants (embryophytes) Non-vascular embryophytes Hepatophyta - liverworts Anthocerophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Seedless vascular plants Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants... Classes Magnoliopsida - Dicots Liliopsida - Monocots The flowering plants (also angiosperms or Magnoliophyta) are one of the major groups of modern plants, comprising those that produce seeds in specialized reproductive organs called flowers, where the ovulary or carpel is enclosed. ... Orders Base Monocots: Acorus Alismatales Asparagales Dioscoreales Liliales Pandanales Family Petrosaviaceae Commelinids: Arecales Commelinales Poales Zingiberales Family Dasypogonaceae Monocotyledons or monocots are a group of flowering plants usually ranked as a class and once called the Monocotyledoneae. ... Families (APG) Anarthriaceae Bromeliaceae Centrolepidaceae Cyperaceae Ecdeiocoleaceae Eriocaulaceae Flagellariaceae Hydatellaceae Joinvilleaceae Juncaceae Mayacaceae Poaceae Rapateaceae Restionaceae Sparganiaceae Thurniaceae Typhaceae Xyridaceae The Poales is a cosmopolitan order of monocotyledonous flowering plants. ... Genera See: List of Poaceae genera The true grasses are monocot (class Liliopsida) plants of the family Poaceae (formerly Graminae). ... In biology, binomial nomenclature is a standard convention used for naming species. ... In scientific classification, synonymy is the existence of multiple systematic names to label the same organism. ... In biology, a species is a kind of organism. ... Genera See: List of Poaceae genera The true grasses are monocot (class Liliopsida) plants of the family Poaceae (formerly Graminae). ... World map showing location of Europe A satellite composite image of Europe Europe is geologically and geographically a peninsula, forming the westernmost part of Eurasia. ... In botany, a rhizome is a horizontal, usually underground stem of a plant that often sends out roots and shoots from its nodes. ...

flower spike

The stems grow to 120 cm tall, with linear leaves 15-40 cm long and 1 cm broad at the base. The flower spike is 10-20 cm long, with spikelets 2-3 cm long, 5-7 mm broad and 3 mm thick. In botany, a leaf is an above-ground plant organ specialized for photosynthesis. ... Wildflowers A flower is the reproductive organ of those plants classified as angiosperms (flowering plants; Division Magnoliophyta). ...

Other names include Quick grass and Quackgrass. It has become naturalised in North America, where it is an invasive weed. World map showing location of North America A satellite composite image of North America North America is the third largest continent in area and in population after Eurasia and Africa. ... Purple flowers of the highly invasive Pattersons Curse infest the Warrumbungle National Park in New South Wales, Australia. ...