Plant & Pest Diagnostics

• 

  American burnweed - Erechtites hieraciifolius

• 

  Annual bluegrass - Poa annua

• 

  Asiatic (common) dayflower - Commelina communis

• 

  Barnyardgrass - Echinochloa crus-galli

• 

  Bermudagrass - Cynodon dactylon

• 

  Brambles - Rubus spp.

• 

  British elecampane - Inula britannica

• 

  Broadleaf helleborine - Epipactis helleborine

• 

  Broadleaf plantain – Plantago major

• 

  Buckhorn plantain – Plantago lanceolata

• 

  Bull thistle – Cirsium vulgare

• 

  Canada goldenrod – Solidago canadensis

• 

  Carpetweed – Mullogo verticillata

• 

  Common burdock - Arctium minus Bernh.

• 

  Common chickweed - Stellaria media (L.) Vill.

• 

  Eastern cottonwood – Populus deltoides

• 

  Common eveningprimrose – Oenothera biennis

• 

  Common groundsel – Senecio vulgaris

• 

  Common lambsquarters – Chenopodium album

• 

  Common mallow – Malva neglecta

• 

  Common milkweed – Asclepias syriaca

• 

  Common mullein - Verbascum thapsus L.

• 

  Common purslane – Portulaca oleracea

• 

  Common ragweed – Ambrosia artemisiifolia

• 

  Common St. Johnswort – Hypericum perforatum

• 

  Corn speedwell – Veronica arvensis

• 

  Curly dock – Rumex crispus

• 

  Dandelion – Taraxacum officinale

• 

  Eastern black nightshade – Solanum ptycanthum

• 

  Enchanter's nightshade - Circaea canadensis (L.) Hill

• 

  English ivy – Hedera helix

• 

  Fall panicum – Panicum dichotomiflorum

• 

  Field bindweed – Convolvulus arvensis

• 

  Field horsetail – Equisetum arvense

• 

  Field pennycress – Thlaspi arvense

• 

  Field violet – Viola arvensis

• 

  Garlic mustard - Alliaria petiolate (Bieb.) Cavara & Grande

• 

  Giant Hogweed – Heracleum mantegazzianum

• 

  Goutweed - Aegopodium podagraria

• 

  Green foxtail – Setaria viridis

• 

  Ground ivy (creeping Charlie) – Glechoma hederacea

• 

  Hairy bittercress – Cardamine hirsuta

• 

  Hairy galinsoga – Galinsoga quadriradiata

• 

  Healall – Prunella vulgaris

• 

  Hemp dogbane – Apocynum cannabinum

• 

  Henbit – Lamium amplexicaule

• 

  Hoary alyssum – Berteroa incana

• 

  Horsenettle – Solanum carolinense

• 

  Horseweed (marestail) – Conyza canadensis

• 

  Ivyleaf morningglory – Ipomoea hederacea

• 

  Japanese knotweed – Fallopia japonica

• 

  Jimsonweed – Datura stramonium

• 

  Johnsongrass – Sorghum halepense

• 

  Knawel – Scleranthus annuus

• 

  Large crabgrass – Digitaria sanguinalis

• 

  Liverworts – Division Marchantiophyta

• 

  Marsh yellowcress – Rorippa palustris

• 

  Mosses – Division Bryophyta

• 

  Motherwort - Leonurus cardiaca

• 

  Mouseear chickweed – Cerastium fontanum ssp. vulgare

• 

  Mugwort – Artemisia vulgaris

• 

  Northern willowherb – Epilobium ciliatum

• 

  Pennsylvania smartweed – Persicaria pensylvanica

• 

  Perennial sowthistle – Sonchus arvensis

• 

  Persian Speedwell - Veronica persica Poir.

• 

  Pineapple weed – Matricaria discoidea

• 

  Poison hemlock- Conium maculatum

• 

  Poison Ivy in Michigan – Toxicodendron radicans and rybergii

• 

  Pokeweed – Phytolacca americana

• 

  Prostrate knotweed – Polygonum aviculare

• 

  Prostrate pigweed – Amaranthus blitoides

• 

  Puncturevine – Tribulus terrestris

• 

  Purple Deadnettle-Lamium purpureum L.

• 

  Quackgrass- Elymus repens

• 

  Redroot pigweed – Amaranthus retroflexus

• 

  Redstem filaree – Erodium cicutarium

• 

  Shepherd’s purse – Capsella bursa-pastoris

• 

  Smooth groundcherry – Physalis longifolia var. subglabrata

• 

  Spotted knapweed – Centaurea stoebe

• 

  Staghorn sumac – Rhus typhina

• 

  Stinging nettle – Urtica dioica

• 

  Stinkgrass – Eragrostis cilianensis

• 

  Tall fescue - Lolium arundinacea

• 

  Tree-of-heaven – Ailanthus altissima

• 

  Tumble pigweed – Amaranthus albus

• 

  Velvetleaf – Abutilon theophrasti

• 

  Vetches – Vicia spp.

• 

  Virginia creeper – Parthenocissus quinquefolia

• 

  White campion (white cockle) – Silene latifolia

• 

  White clover – Trifolium repens

• 

  Whitlow grass - Draba verna L.

• 

  Wild buckwheat – Fallopia convolvulus

• 

  Wild carrot (Queen Anne’s lace) – Daucus carota

• 

  Wild grapes- Vitis spp.

• 

  Wild mustard – Sinapis arvensis

• 

  Wild Parsnip - Pastinaca sativa

• 

  Yellow nutsedge – Cyperus esculentus

• 

  Yellow rocket – Barbarea vulgaris

• 

  Yellow woodsorrel – Oxalis stricta