Toxicodendron diversilobum (Torr. & Gray) Greene - Pacific poison-oak. Present in the CalFlora Database (California distribution map). Photographs (11) from CalPhotos. Synonymy: Rhus diversiloba Torr. & Gray, Toxicodendron radicans ssp. diversilobum (Torr. & Gray) Thorne
Toxicodendron pubescens P. Mill. - Atlantic poison-oak. Present in the Texas flora (treated as Toxicodendron toxicarium (Salisb.) Gillisby Hatch et al, 1990) and known locally as: Eastern poison-oak (Texas Distribution by vegetation zone). Image available from the Vascular Plant Image Gallery. Synonymy: Rhus acutiloba Turcz., Rhus toxicarium Salisb., Rhus toxicodendron L., Toxicodendron quercifolium (Michx.) Greene, Toxicodendron toxicarium Gillis, Toxicodendron toxicodendron (L.) Britt.
Toxicodendron radicans (L.) Kuntze - Eastern poison-ivy. Present in the Texas flora and known locally as: Poison-oak, poison-ivy, hiedra No Texas distribution data available. Images available from the Vascular Plant Image Gallery.ssp. divaricatum
(Greene) Gillis Synonymy: Toxicodendron radicans var. divaricatum (Greene) Barkl.ssp. eximium
(Greene) Gillis Present in the Texas flora and known locally as: Southwest poison-oak (Texas Distribution by vegetation zone). Synonymy: Rhus toxicodendron var. eximia (Greene) McNair, Toxicodendron radicans var. eximium (Greene) Barkl.ssp. negundo
(Greene) Gillis Present in the Texas flora and known locally as: Poison-ivy (Texas Distribution by vegetation zone). Synonymy: Toxicodendron radicans var. negundo (Greene) Revealssp. pubens
(Engelm. ex S. Wats.) Gillis Present in the Texas flora and known locally as: Poison-ivy (Texas Distribution by vegetation zone). Synonymy: Toxicodendron radicans var. pubens (Engelm. ex S. Wats.) Revealssp. radicans
Present in the Texas flora, no local name. (Texas Distribution by vegetation zone). Synonymy: Rhus radicans L., Rhus radicans var. littoralis (Mearns) Deam, Rhus radicans var. malacotrichocarpa (A.H. Moore) Fern., Toxicodendron vulgare P. Mill.ssp. verrucosum
(Scheele) Gillis Present in the Texas flora and known locally as: Poison-ivy (Texas Distribution by vegetation zone). Synonymy: Toxicodendron radicans var. verrucosum (Scheele) Barkl.
Toxicodendron rydbergii (Small ex Rydb.) Greene - Western poison-ivy. Present in the Texas flora, no local name. (Texas Distribution by vegetation zone). Synonymy: Rhus radicans var. rydbergii (Small ex Rydb.) Rehd., Rhus radicans var. vulgaris (Michx.) DC., Rhus toxicodendron var. vulgaris Michx., Toxicodendron desertorum Lunell, Toxicodendron radicans var. rydbergii (Small ex Rydb.) Erskine
Toxicodendron vernix (L.) Kuntze - Poison-sumac. Present in the Texas flora and known locally as: Poison sumac, poison elder, poison dogwood (Texas Distribution by vegetation zone). Images available from the Vascular Plant Image Gallery. Synonymy: Rhus vernix L.