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Garlic Mustard Infestation

Garlic mustard rosettes (Caleb Slemmons, UMaine School of Biology and Ecology)

The following are a list of resources to assist in accurate identification of some species (Terrestrial and Aquatic Plants) considered to be invasive in Maine. The list is not comprehensive but experts are available to assist by following the links or via contact numbers listed below.

For additional information regarding the known distribution of these check our Maps and Other Data Page.

Many annotated photos to assist identification are available at the links listed below but for additional images check the Photo Page and the links to images hosted at http://www.invasive.org

 

 

Terrestrial Plants

Common Name Species Name Source
Asiatic Bittersweet Celastrus orbiculata Univ of Maine / Maine NAP
Autumn Olive Elaeagnus umbellata Univ of Maine / Maine NAP
Black Swallowwort Cynanchum louiseae Univ of Maine / Maine NAP
Burning Bush Euonymus alatus GMRI – Vital Signs
Common Buckthorn Frangula alnus Univ of Maine / Maine NAP
Common Reed / Phragmites Phragmites australis Univ of Maine / Maine NAP
Garlic Mustard Alliaria petiolata Univ of Maine / Maine NAP
Giant Hogweed Heracleum mantegazzianum Maine Dept of Agriculture
Glossy Buckthorn Rhamnus cathartica Univ of Maine / Maine NAP
Honeysuckle (shrubby) / Tartarian / Belle’s / Morrow Lonicera species Univ of Maine / Maine NAP
Japanese Barberry Berberis thunbergii Univ of Maine – Maine NAP
Japanese Honeysuckle Lonicera japonica Univ of Maine / Maine NAP
Japanese Knotweed / Mexican Bamboo Fallopia japonica Univ of Maine / Maine NAP
Japanese Stilt Grass / Chinese Packing Grass Microstegium vimineum Univ of Maine / Maine NAP
Lesser Celandine Ranunculus ficaria Univ of Maine / Maine NAP
Mile-a-Minute Weed / Devils’ Tail / Tearthumb Polygonum perfoliatum Univ of Maine / Maine NAP
Multiflora/Rambler Rose Rosa multiflora Univ of Maine / Maine NAP
Porcelainberry Ampelopsis brevipedunculata Univ of Maine / Maine NAP
Purple Loosestrife Lythrum salicaria Univ of Maine / Maine NAP
Russian Olive Elaeagnus angustifolia Univ of Maine / Maine NAP

Aquatic Plants

Common Name Species Name Source
Brazilian Waterweed Egeria densa Univ of Maine / Maine NAP
Curly-leaf Pondweed Potamogeton crispus Maine DEP
Didymo Didymosphenia geminata Maine DEP
Eurasian Milfoil Myriophyllum spicatum Univ of Maine / Maine NAP
European Frogbit Hydrocharis morsus-ranae Maine DEP
European Naiad Najas minor Maine DEP
Fanwort, Cabomba Cabomba caroliniana Univ of Maine / Maine NAP
Hydrilla Hydrilla verticillata Univ of Maine / Maine NAP
Parrot feather Myriophyllum aquaticum Maine DEP
Variable-Leaf Milfoil Myriophyllum heterophyllum Univ of Maine / Maine NAP
Water Chesnut Trapa natans Univ of Maine / Maine NAP
Yellow Floating Heart Nymphoides peltata Maine DEP

Maine’s Volunteer Lakes Monitoring Program has an excellent reference “Maine Field Guide to Invasive Aquatic Plants“. To report an sighting please call (207) 783-7733 and visit their website for more information.

Other

Common Name Species Name Source
Sudden Oak Death Phytophthora ramorum Maine Dept of Agriculture
  • ┬áIf you know of a good resource not currently included here please contact Caleb Slemmons (caleb.slemmons@maine.edu) to add a link.

Not sure what you have? Visit UMaine Cooperative Extension – Homeowner IPM Pest ID Page or the Insect and Plant Disease Diagnostic Lab.

 

 

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