Identifying weeds in Christmas trees
The information presented here about weed identification in Christmas Trees was developed from the publication An IPM Pocket Guide for Weed Identification in Christmas Trees by Steven A. Gower and Robert J. Richardson.
This plastic-coated scouting guide with its 3.5" X 5.0" pages fits in your pocket for easy use in the field. It contains many color pictures and descriptions. Purchase the guide from MSU Extension (publication E2975).
For reference:
Common weeds in Christmas trees
Identify weeds by:
Common name
- Annual sowthistle
- Apple of Peru
- Atriplex
- Barnyardgrass
- Bittersweet nightshade
- Blackseed plantain
- Bladder campion
- Brambles
- Broadleaf dock
- Broadleaf plantain
- Buckhorn plantain
- Bull thistle
- Canada goldenrod
- Canada thistle
- Common blue violet
- Common cottonwood
- Common eveningprimrose
- Common lambsquarters
- Common milkweed
- Common ragweed
- Common St. Johnswort
- Common yarrow
- Curly dock
- Cutleaf eveningprimrose
- Dandelion
- Dwarf sumac
- Eastern black nightshade
- Entireleaf morningglory
- Fall pancium
- Field bindweed
- Field horsetail
- Field pennycress
- Field violet
- Giant foxtail
- Giant knotweed
- Giant ragweed
- Green foxtail
- Hedge bindweed
- Hemp dogbane
- Hoary alyssum
- Horsenettle
- Horseweed
- Ivyleaf morningglory
- Japanese knotweed
- Jimsonweed
- Johnsongrass
- Ladysthumb
- Large crabgrass
- Marestail
- Mile-a-minute
- Nightflowering catchfly
- Pale smartweed
- Pennsylvania smartweed
- Perennial sowthistle
- Pitted morningglory
- Poison hemlock
- Poison ivy
- Pokeweed
- Powell amaranth
- Prickly lettuce
- Prostrate pigweed
- Puncturevine
- Quackgrass
- Queen Anne’s lace
- Red clover
- Redroot pigweed
- Scouringrush
- Shepherd’s purse
- Smooth crabgrass
- Smooth groundcherry
- Smooth pigweed
- Smooth sumac
- Spiny sowthistle
- Spotted knapweed
- Spreading dogbane
- Staghorn sumac
- Stinging nettle
- Stinkgrass
- Swamp smartweed
- Tall morningglory
- Tartary buckwheat
- Tree-of-heaven
- Tumble pigweed
- Velvetleaf
- Vetches
- Virginia creeper
- Western ragweed
- White campion
- White clover
- White cockle
- Wild buckwheat
- Wild carrot
- Wild grapes
- Wild mustard
- Wild proso millet
- Witchgrass
- Yellow foxtail
- Yellow nutsedge
- Yellow rocket
Scientific name
- A. androsaemifolium
- A. hybridus
- A. powellii
- A. psilostachya
- A. trifida
- Abutilon theophrasti
- Achillea millefolium
- Ailanthus altissima
- Amaranthus albus
- Amaranthus blitoides
- Amaranthus retroflexus
- Ambrosia artemisiifolia
- Apocynum cannabinum
- Asclepias syriaca
- Atriplex patula
- Barbarea vulgaris
- Berteroa incana
- C. arvense
- Calystegia sepium
- Capsella bursa-pastoris
- Centaurea stoebe micranthos
- Chenopodium album
- Cirsium vulgare
- Conium maculatum
- Convolvulus arvensis
- Conyza canadensis
- Cyperus esculentus
- Datura stramonium
- Daucus carota
- Digitaria ischaemum
- Digitaria sanguinalis
- E. hyemale
- Echinochloa crus-galli
- Elymus repens
- Equisetum arvense
- Eragrostis cilianensis
- Fagopyrum tataricum
- Hypericum perforatum
- I. hederacea integriuscula
- I. lacunosa
- I. purpurea
- Ipomoea hederacea
- Lactuca serriola
- Nicandra physalodes
- O. laciniata
- Oenothera biennis
- Panicum dichotomiflorum
- Parthenocissus quinquefolia
- Physalis longifolia subglabrata
- Phytolacca americana
- Plantago lanceolata
- Plantago major
- Polygonum convolvulus
- Polygonum cuspidatum
- Polygonum pensylvanicum
- Populus deltoides
- P. amphibium emersum
- P. capillare
- P. lapathifolium
- P. miliaceum
- P. perfoliatum
- P. persicaria
- P. rugelii
- P. sachalinense
- R. copallina
- R. glabra
- R. obtusifolius
- Rhus typhina
- Rubus
- Rumex crispus
- S. asper
- S. dulcamara
- S. faberi
- S. glauca
- S. noctiflora
- S. oleraceus
- S. vulgaris
- Setaria viridis
- Silene latifolia
- Sinapis arvensis
- Solanum carolinense
- Solanum ptycanthum
- Solidago canadensis scabra
- Sonchus arvensis
- Sorghum halepense
- T. pratense
- Taraxacum officinale
- Thlaspi arvense
- Toxicodendron radicans
- Tribulus terrestris
- Trifolium repens
- Urtica dioica
- V. papilionacea
- Vicia
- Viola arvensis
- Vitis