Robert W. Freckmann Herbarium


  Alliaria petiolata (M.Bieb.) Cavara & Grande image
Photographer: Robert H. Read           

Botanical Illustration

Botanical Illustration

Botanical Illustration

Merel R. Black

Merel R. Black

Merel R. Black

Christopher Noll

Paul Drobot

Paul Drobot

Paul Drobot

Paul Drobot

Paul Drobot

Robert W. Freckmann

S. Kelly Kearns

Tyler Gruetzmacher
Family Brassicaceae
Alliaria petiolata (M.Bieb.) Cavara & Grande
garlic mustard
Alliaria: from Allium meaning "onion" or "garlic"
petiolata: stalked
  Restricted Invasive - Eradicate!  Stop It symbol- click for definition
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Introduced - naturalized; ecologically invasive
Plant: erect, biennial, 12"-40" tall forb, forming large, dense mats, first year plants an evergreen, basal rosette; stems mostly unbranched, hairless
Flower: white, 4-parted, 1/3" wide, petals rounded at the top, narrowing towards the base; inflorescence a short, terminal cluster (raceme) of stalked flowers; blooms April-June
Fruit:long, thin, 4-angled pods, both horizontal and pointing upward
Leaf:alternate, coarsely toothed, stalked, strong garlic smell when crushed; lower kidney shaped, upper triangular
Habitat: partial shade, shade; moderate moisture to moist; woods, woods edges
Notes: to eradicate, hand pull, bag-up and remove if flowering; herbicide in early spring or late fall with glyphosate
(Glossary)

More Information Natural Communities Herbarium Specimens
All Alliaria list Google- Images or Text

Flora of North America (off site)
Synonyms 
Alliaria alliaria (L.) Britton
Alliaria officinalis Andrz. ex M.Bieb.
Arabis petiolata M.Bieb.
Erysimum alliaria L.
Sisymbrium alliaria (L.) Scop.

         
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