Poisonous Plants of the Southern United States 

Common Name

Genus and Species

Page

atamasco lily

Zephyranthes atamasco

21

bitter sneezeweed

Helenium amarum

20

black cherry

Prunus serotina

6

black locust

Robinia pseudoacacia

14

black nightshade

Solanum nigrum

16

bladderpod

Glottidium vesicarium

11

bracken fern

Pteridium aquilinum

5

buttercup

Ranunculus abortivus

9

castor bean

Ricinus communis

17

cherry laurel

Prunus caroliniana

6

chinaberry

Melia azederach

14

choke cherry

Prunus virginiana

6

coffee senna

Cassia occidentalis

12

common buttonbush

Cephalanthus occidentalis

25

common cocklebur

Xanthium pensylvanicum

15

common sneezeweed

Helenium autumnale

19

common yarrow

Achillea millefolium

23

eastern baccharis

Baccharis halimifolia

18

fetterbush

Leucothoe axillaris

24

fetterbush

Leucothoe racemosa

24

fetterbush

Leucothoe recurva

24

great laurel

Rhododendron maxima

9

hairy vetch

Vicia villosa

27

hemp dogbane

Apocynum cannabinum

23

horsenettle

Solanum carolinense

15

jimsonweed

Datura stramonium

8

johnsongrass

Sorghum halepense

7

lantana

Lantana camara

10

maleberry

Lyonia ligustrina

24

Mexican pricklepoppy

Argemone mexicana

27

milkweed

Asclepias tuberosa

22

mountain laurel

Kalmia latifolia

6

mustard

Brassica sp .

25

oleander

Nerium oleander

10

perilla mint

Perilla frutescens

28

poison hemlock

Conium maculatum

17

poison ivy

Rhus radicans

20

poison oak

Rhus toxicodendron

20

poison sumac

Rhus vernix

21

pokeberry

Phytolacca americana

8

rattlebox

Daubentonia punicea

11

red buckeye

Aesculus pavia

16

redroot pigweed

Amaranthus retroflexus

18

rosebay

Rhododendron calawbiense

9

sesbania

Sesbania exaltata

12

scotch broom

Cytisus scoparius

13

sheep laurel

Kalmia angustifolia

6

showy crotalaria

Crotalaria spectabilis

5

sicklepod

Cassia obtusifolia

12

spotted water hemlock

Cicuta maculata

17

St. John's wort

Hypericum perforatum

26

stagger grass

Amianthum muscaetoxicum

22

sweet clover

Melilotus sp .

13

sweetshrub

Calycanthus floridus

26

white snakeroot

Eupatorium rugosum

19

yellow jessamine

Gelsemium sempervirens

7

glossary

29

checklist, symptoms of poisoning

31

 

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