Check List of Hamilton County, Ohio, Plants. 
Bidens 
BUR-MARIGOLD. 
bipinnata L. 
connata Muhl. 
SwAMP BEGGAR TICKS. 
frondosa L. 
laevis (1.) B. S. P. 
(B. chrysanthemoides Michx.) 
trichosperma (Michx.) Britton 
(Coreopsis trichosp. Michx.) 
tenuiloba (A. Gray) Britton 
Galinsoga 
GALINSOGA. 
parviflora Cav. Europe 
Helenium 
SNEEZE-WEED. 
autumnale L,. 
nudiflorum Nutt. 
Dysodia 
FETID MARIGOLD. 
papposa (Vent.) A. S. Hitche. 
S.W,-U.,S. 
(D. chrysanthemoides Lag.) 
Anthemis 
CHAMOMILE. 
Cotula L. Europe 
nobilis L. Europe. 
Achillea 
YARROW. MILFOIL 
Millefolium L. Europe 
Matricaria 
WILD CHAMOMILE. 
miatricarioides (Less.) Porter 
(M. discoidea DC.) W. U.S. 
Chrysanthemum 
OX-EVE DalIsy. 
Leucanthemum L. Europe. 
Parthenium (L.) Pers. Europe 
31 
229 
Tanacetum 
TANSY. 
vulgare L. Europe. 
Artemisia 
WORMWOOD. 
Abrotanum IL. Europe 
Absinthium L,. 
annua J,. Asia 
biennis Willd. N. W. U.S. 
vulgaris L,. 
Erechtites 
FIRE-WEED. 
hieracifolia (1,.) Raf. 
Mesadenia 
(Cacalia) 
INDIAN PLANTAIN. 
atriplicifolia (L.) Raf. W. U.S. 
reniformis (Muhl.) Raf. 
Senecio 
GROUNDSEL. 
obovatus Muhl. 
Arctium 
BURDOCK. 
Lappa lL. Europe 
Carduus 
(Cnicus) 
COMMON OR PLUMED THISTLE. 
altissimus L,. 
arvensis (L.) Robs. Europe 
discolor (Muhl.) Nutt. 
lanceolatus L. Europe 
Virginianus L. 
Onopordon 
ScoTcH THISTLE. 
acanthium L, Europe. 
