MISSOURI BOTANICAL GARDEN BULLETIN 
87 
Method of Natural 
Botanical name Common name introduction Locality distribution 
Amaranthus hybridus.....Slender pigweed..With grain....... Troublesome weed 
in fields and 
meadows ...... Trop. 
America 
Amaranthus paniculatus...Purple amaranth. With grain....... Troublesome weed 
in fields and 
meadows ..... . Trop. 
America 
Amaranthus retroflexus...Rough pigweed...Witb grain....... Troublesome weed 
in fields and 
meadows ...... Trop. 
America 
Amaranthus spinosus..... Spiny amaranth..With grain....... Troublesome weed 
in fields and 
meadows ...... Trop. 
America 
Anthemis Cotula..........Mayweed ........With grain..... ..Common weed....Hurope 
Arctium minus.........4- Common burdock. With grain....... Common weed....Hurope 
Braséica GOs... o vs ces. White mustard...With grain....... Common weed....Europe, 
Asia 
Bromus TaCEMOSUS......4. Smooth brome- 
Be eee cag With: erain..cceccs Fields and waste 
Hlaces<..35550% Europe, 
Asia 
Bromus secalinus.........Cheat .......... .With grain....... Troublesome weedEurope, 
Asia 
Bromus tectorum......... Downy brome- 
PUASSi ee es alec With grain. 222... Troublesome weedEurope 
Cannabis sativa........... HOMmDp = 35s i as ats With grain....... Common weed.... Europe, 
Capsella Bursa-pastoris... 
Chrysanthemum 
Leucanthemum 
Commelina communis 
Digitaria sanguinalis.... 
Dipsacus sylvestris........ 
Echinochloa Crus-galli.... 
Eleusine indica 
eee ene ee ee 
Eragrostis megastachya.. 
..Large crab-grass.With grain 
ee+eee 
Asiatic day-floweiWith grain 
Teasel Rivers 
ee ee ee et 
.Strong-scented 
eragrostis .....With seeds 
eee eee 
Ce) 
Asia 
Common weed....Europe 
Pastures and 
waste places...Europe, 
Asia 
Bre peek Weed of gardens..Asia 
Common weed....Europe 
Waste places.....Europe, 
Asia 
Common every- 
where .........Europe 
Fields and waste 
places ........ Old World 
Tropics 
Waste and culti- 
vated places....Europe 
