Portfolio
Knotweeds (Reynoutria spp.)
By Abby Bezrutczyk, LIISMA Field Project & Outreach Coordinator Last Saturday, I had the opportunity to meet a dozen community-gardeners to talk about their local invasive species staples: multiflora rose, … Read more
Hydrilla (Hydrilla verticillata)
Family: Hydrocharitaceae Life Form: perennial, submerged, and rooted vascular plant. Tier: 4 History & Introduction There are two kinds of Hydrilla verticillata found throughout the US: a dioecious strain (male … Read more
Small Carpet Grass (Arthraxon hispidus)
Small carpet grass, arthraxon, jointhead grass, hairy jointgrass (Arthraxon hispidus)Family: PoaceaeLife Form: Annual grass Tier: 2 History & Introduction Arthraxon hispidus was first documented in the US in the 1870s and … Read more
Perennial Pepperweed (Lepidium latifolium)
Family: Brassicaceae Life form: Forb History & Introduction Native to West Asia through Southeastern Europe, perennial pepperweed (PPW) will grow nearly anywhere within its native range including fresh, brackish, and … Read more
Red-Eared Slider (Trachemys scripta elegans)
Background In the early 1900s, red-eared sliders (RES) were captured, farmed, and sold in dime stores as their small size and cheap price was attractive to prospective pet owners. By … Read more
Mute Swan (Cygnus olor)
Background Mute swans (Cygnus olor) are non-migratory waterfowl. They were first introduced in the United States as a decorative captive waterfowl in the 1870s because of their impressive appearance. In … Read more
Rock Sea-Lavender (Limonium binervosum)
Family: Plumbaginaceae Habit: Perennial herb Flowering season: July to September Tier 2 – Eradication – High and very high impact species, or potentially so, with low enough abundance to make … Read more
Jumping worms (Amynthas spp.)
Worms don’t like mustard. This became obvious as we watched worms emerge from a small plot of forested ground, irritated but not injured by the mustard-water solution. In this field … Read more