10/11/2013
Weeds Associated with Different Soil Problems
Acid soil: sorrel (Rumex species), sow thistle (Sonchus species), prostrate knotw**d (Polygonum aviculare), lady's-thumb (Polygonum persicaria), wild strawberries (Fragaria species), plantain (Plantago major), rough cinquefoil (Potentilla monspeliensis), silvery cinquefoil (Potentilla argentea), hawkw**ds (Hieracium aurantiacum and pratense), knapw**ds (Centaurea species), bentgrasses (Agrostis species)
Alkaline soil: field peppergrass (Lepidium virginicum), goosefoot (Chenopodium species), gromwell (Lithospermum officinale), true chamomile (Anthemis nobilis), bladder campion (Silene latifolia)
Wet or poorly drained soil: horsetail (Equisetum arvense), sedges (Carex species), lady's-thumb (Polygonum persicaria), joe-pye w**d (Eupatorium purpureum), silvery cinquefoil (Potentilla argentea), curly dock (Rumex crispus), mosses, Pennsylvania smartw**d (Polygonum pensylvanicum), tall buttercup (Ranunculus acris), creeping buttercup (Ranunculus repens), sheep sorrel (Rumex acetosella), Canada goldenrod (Solidago canadensis), lance-leaved goldenrod (Solidago graminifolia), meadow pink (Lychnis floscuculi), jewelw**d (Impatiens pallida), coltsfoot (Tussilago farfara), sweet flag (Acorus calamus), ground nut (Apios americana), annual bluegrass (Poa annua), common chickw**d (Stellaria media), crabgrass (Digitaria species), goosegrass (Elusine species), ground ivy (Glechoma hederacea), mouse-ear chickw**d (Cerastium vulgatum), violets (Viola species), yellow nutsedge (Cyperus esculentus)
Dry soil: Virginia pepperw**d (Lepidium virginicum), rough cinquefoil (Potentilla monspeliensis), potato vine (Ipomoea pandurata), yarrow (Achillea millefolium), black medic (Medicago lupulina), red sorrel (Rumex acetosella)
Compacted or heavy soil: wild garlic (Allium vineale), dandelion (Taraxacum officinale), broadleaf dock (Rumex obtusifolius), creeping buttercup (Ranunculus repens), plantain (Plantago major), annual bluegrass (Poa annua), common chickw**d (Stellaria media), goosegrass (Elusine indica), knotw**d (Polygonum aviculare), mouse-ear chickw**d (Cerastium vulgatum), prostrate spurge (Euphorbia supina)
Soil with a hardpan or hard crust: horse nettle (Solanum carolinense), pennycress (Thiaspi arvense), quack grass (Agropyron repens), field mustard (Brassica nigra), morning-glory (Ipomoea purpurea), pineapple w**d (Matricaria sauveolens)
Previously cultivated soil: Lamb's-quarters (Chenopodium album), plantain (several species), ragw**d (Ambrosia artemisiifolia), purslane (Portulaca oleracea), dandelion (Taraxacum officinale), chickw**d (Stellaria media), pigw**ds (family Amaranth), carpetw**d (Mollugo verticillata)
High fertility soil: chicory (Cichorium intybus), pigw**ds (family Amaranth), purslane (Portulaca oleracea), dandelion (Taraxacum officinale), lamb's-quarters (Chenopodium album), burdock (Arctium minus), pokew**d (Phytolacca americana), butter print (Abutilon theophrasti), Queen Anne's lace (Daucus carota), annual bluegrass (Poa annua), bentgrasses (Agrostis species), Henbit (Lamium amplexicaule), yellow woodsorrel (Oxalis stricta), crabgrass (Digitaria species), mallow (Malva neglecta), purslane (Portulaca oleracea)
Low fertility soil: plantains (Plantago species), red sorrel (Rumex acetosella), white clover (Trifolium repens)
Shaded soil: annual Bluegrass (Poa annua), common chickw**d (Stellaria media), ground ivy (Glechoma hederacea), mouse-ear chickw**d (Cerastium vulgatum), nimblewill (Muhlenbergia shreberi), violets (Viola species)