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Sagittaria platyphylla is a perennial herb up to 150 centimetres (59 inches) tall, producing underground corms (similar to tubers).The plant reproduces by means of stolons as well as seeds.
Hophornbeam copperleaf. Acalypha ostryifolia, sometimes spelled ostryaefolia, is a plant in the family Euphorbiaceae and is commonly known as hophornbeam copperleaf, hornbeam copperleaf, or pineland threeseed mercury, [3] is an annual herb of the copperleaf genus Acalypha. [4]
Leersia hexandra is a species of grass known by the common names southern cutgrass, clubhead cutgrass, and swamp rice grass. [3] It has a pantropical distribution. [ 4 ] It is also an introduced species in many regions, sometimes becoming invasive , and it is an agricultural weed of various crops, [ 3 ] especially rice . [ 5 ]
Verbascum blattaria, the moth mullein, [1] is a flowering biennial plant belonging to the figwort family Scrophulariaceae.A native of Eurasia and North Africa, it has naturalized in the United States and most of Canada since its introduction and has become an invasive species there. [2]
It can often be found growing on the sides of roads, particularly on southern exposures, needing full sun and ample moisture during its short growing season. The mature plants often grow and flower in mowed areas. In many parts of its native habitat, road sides are only mowed twice a year. In the late spring and again in late fall.
Nonnative Invasive Plants of Southern Forests : A Field Guide for Identification and Contro (PDF). General technical report SRS, 62 (Third Revised ed.). Asheville, North Carolina: United States Department of Agriculture, Forest Service, Southern Research Station. OCLC 253402686. Archived (PDF) from the original on 7 October 2024
Phytolacca americana, also known as American pokeweed, pokeweed, poke sallet, pokeberry, dragonberries, pigeonberry weed, and inkberry, is a poisonous, herbaceous perennial plant in the pokeweed family Phytolaccaceae. This pokeweed grows 1 to 3 metres (4 to 10 ft). [4] It has simple leaves on green to red or purplish stems and a large white ...
Weed identification may relate to History of plant systematics, the classification of plants; Botany, the study of plants; Taxonomy, the classification of living things; Weed plant science; Weed (disambiguation)