Table of Contents
Section 1. Woody Plants: Trees & Shrubs
Acer spp. (A. ginnala – Amur Maple, A. platanoides – Norway Maple, A. pseudoplatanus – Sycamore Maple)
Ailanthus altissima – Tree-of-heaven
Amorpha fruticosa – False Indigo
Berberis spp. (B. thunbergii – Japanese Barberry, B. vulgaris – Common Barberry)
Elaeagnus spp. (E. angustifolia – Russian Olive, E. umbellata – Autumn Olive)
Euonymus alatus – Winged Euonymus/Burning Bush
Buckthorns (Frangula alnus – Glossy Buckthorn, Rhamnus cathartica – Common Buckthorn)
Ligustrum spp. – Privets
Lonicera spp. – Honeysuckle Shrubs (L. morrowii, L. tatarica, L. x bella)
Rubus phoenicolasius – Wineberry
Section 2. Woody Plants: Vines
Ampelopsis brevipedunculata – Porcelainberry
Celastrus orbiculatus – Oriental (or Asiatic) Bittersweet
Lonicera japonica – Japanese Honeysuckle
Pueraria montana – Kudzu
Toxicodendron radicans – Poison Ivy (Problem native; not “invasive” per definition of CT Invasive Plant criteria)
Section 3. Herbaceous Plants (including Grasses & Vines)
Aegopodium podagraria – Goutweed
Alliaria petiolata – Garlic Mustard
Artemisia vulgaris – Mugwort
Arthraxon hispidus – Hairy Jointgrass
Butomus umbellatus – Flowering Rush
Cardamine impatiens – Narrowleaf Bittercress
Cynanchum spp. (C. louiseae – Black Swallow-wort, C. rossicum – Pale Swallow-wort)
Elsholtzia ciliata – Crested Late-summer Mint
Glyceria maxima – Reed Mannagrass
Heracleum mantegazzianum – Giant Hogweed
Humulus japonicus – Japanese Hops
Hydrilla verticillata – Hydrilla
Impatiens glandulifera – Ornamental jewelweed
Iris pseudacorus – Yellow Iris
Lythrum salicaria – Purple Loosestrife
Microstegium vimineum – Japanese Stiltgrass
Phalaris arundinacea – Reed Canary Grass
Persicaria perfoliata – Mile-a-minute Vine
Phragmites australis – Phragmites (Common Reed)
Polygonum cuspidatum – Japanese Knotweed
Senecio jacobaea – Tansy Ragwort
Section 4. Mechanical and Physical Control: Tools for Invasive Plant Removal
- Hand-pulling, Digging, Mowing, and Cutting
- Tools to Remove Invasive Trees & Shrubs
- Flame Weeding
- Foliar Spray – Herbicides
- Cut-and-paint Herbicide Method
Section 1. Woody Plants: Trees & Shrubs
Acer spp.

A. ginnala – Amur Maple

A. platanoides – Norway Maple

A. pseudoplatanus – Sycamore Maple

Ailanthus altissima – Tree-of-heaven


Amorpha fruticosa – False Indigo

Berberis thunbergii – Japanese barberry

Berberis vulgaris – Common Barberry

Elaeagnus angustifolia – Russian Olive

Elaeagnus umbellata – Autumn Olive


Comparison

Euonymus alatus – winged Euonymus (Burning Bush)


Frangula alnus – Glossy Buckthorn

Rhamnus cathartica – Common Buckthorn


Comparison Frangula alnus – glossy buckthorn vs. Rhamnus cathartica – common buckthorn


Ligustrum spp. – Privets

Lonicera morrowii – Morrow’s Honeysuckle

L. tatarica

Comparison – Lonicera spp.

Rubus phoenicolasius – Wineberry

Section 2. Woody Plants – Vines
Ampelopsis brevipedunculata – Porcelainberry


Celastrus orbiculatus – Oriental (or Asiatic) Bittersweet

Comparison – native vs. invasive bittersweet

Lonicera japonica – Japanese Honeysuckle


Pueraria montana – Kudzu



Toxicodendron radicans – Poison Ivy ***Non-invasive NATIVE, included here for identification purposes



Section 3. Herbaceous Plants (including Grasses & Vines)
Aegopodium podagraria – Goutweed
Alliaria petiolata – Garlic Mustard


Artemisia vulgaris – Mugwort



Arthraxon hispidus – Hairy Jointgrass

Comparison – native deer-tongue grass vs. invasive hairy jointgrass


Butomus umbellatus – Flowering Rush

Cardamine impatiens – Narrowleaf Bittercress

Cardamine impatiens – Narrowleaf Bittercress

Cynanchum louiseae – Black Swallow-wort

Cynanchum rossicum – Pale Swallow-wort

Elsholtzia ciliata – Crested Late-summer Mint

Glyceria maxima – Reed Mannagrass

Heracleum mantegazzianum – Giant Hogweed


Comparison – giant hogweed (invasive) vs. cow parnsip (native)


Humulus japonicus – Japanese Hops


Hydrilla verticillata – Hydrilla
Impatiens glandulifera – Ornamental jewelweed

Iris pseudacorus – Yellow Iris

Comparison – Native vs. Invasive Iris

Lythrum salicaria – Purple Loosestrife

Comparison – purple loosestrife vs. native blue vervain and blazing star

Microstegium vimineum – Japanese Stilt Grass



Comparison – invasive Microstegium vimineum vs. native Leersia virginica

Phalaris arundinacea – Reed Canary Grass


Persicaria perfoliata – Mile-a-minute Vine

Comparison – Persicaria perfoliata

Comparison – Persicaria perfoliata

Comparison – Persicaria perfoliata

Comparison – Persicaria perfoliata

Phragmites australis – Phragmites


Polygonum cuspidatum – Japanese Knotweed


Senecio jacobaea – Tansy Ragwort

Section 4. Mechanical and Physical Control: Tools for Invasive Plant Removal
Hand-pulling, Digging, Mowing, and Cutting

Tools to Remove Invasive Trees & Shrubs

Flame Weeding

Foliar Spray – Herbicides

Cut-and-paint Herbicide Method





