Rhus toxicarium Salisb.
Rhus toxicodendron L.
Toxicodendron quercifolium (Michx.) Greene
Toxicodendron toxicarium (Salisb.) Gillis
Toxicodendron toxicodendron (L.) Britton, nom. inval.
Toxicodendron pubescens Mill.
Eastern poison oak, poison oak, Atlantic poison oak
[An article has not been written yet.]
7/19/2017 · Monongahela National Forest, Monongahela, West Virginia · ≈ 7 × 4½″ (18 × 12 cm) 
7/19/2017 · Monongahela National Forest, Monongahela, West Virginia · ≈ 10 × 6″ (24 × 16 cm) 
7/19/2017 · Monongahela National Forest, Monongahela, West Virginia · ≈ 10 × 6″ (24 × 16 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Rosidae | Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more |
| Order | Sapindales | Includes citrus; maples, horse-chestnuts, lychees and rambutans; mangos and cashews; frankincense and myrrh; mahogany and neem |
| Family | Anacardiaceae | Cashew or sumac family |
| Genus | Toxicodendron | Means “poison tree” |
| Species | pubescens | With soft, downy hair |
Toxicodendron pubescens description by Thomas H. Kent, not updated.
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