| Condition | Indicator Weeds |
| Dry soil | Prostrate spurge, black medic, yellow woodsorrel, goosegrass, annual lespedeza, birdsfoot trefoil, prostrate knotweed, bracted plantain |
| Wet soil | Moneywort, annual bluegrass, alligatorweed, pearlwort, moss, liverwort, rushes, sedges |
| Compacted soil | Annual bluegrass, annaul sedge, annual lespedeza, broadleaf plantain, corn speedwell, goosegrass, prostrate knotweed, prostrate spurge |
| Low nitrogen | Birdsfoot trefoil, black medic, broomsedge, clovers, common speedwell, hawkweed, moss, white clover, crabgrsss |
| Excess nitrogen | Annual bluegrass, chickweed, moss, ryegrass |
| Infrequent mowing | Bull thristle, burdock, chicory, smooth bedstraw, sweet clover, teasel, wild carrot |
| Close/frequent mowing | Annual bluegrass, chickweeds, moss, pearlwort, thymeleaf speedwell, crabgrass |
Consumer Horticulture | Quick Reference
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Horticulturist
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