Contains 4 accepted taxa overall.

Characteristics
Rhus L.
SUMAC
Classification
SAPINDALES
Rhus
Citation
RHUS Linnaeus, Sp. Pl. 265. 1753.
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TYPE: Rhus coriaria Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 481. 1913.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Rhus aromatica FRAGRANT SUMAC Native UPL (NWPL)
Rhus copallinum WINGED SUMAC Native UPL (NWPL)
Rhus glabra SMOOTH SUMAC Native
Rhus michauxii FALSE POISON SUMAC; MICHAUX'S SUMAC Native Rare-State Endangered-US
Identification Key
1.  Leaves with 3 leaflets
1.  Leaves mostly with 9-25 leaflets
2
2.  Stem, petiole, and leaf rachis glabrous
2.  Stem, petiole, and leaf rachis pubescent
3
3.  Leaflets entire or sometimes a few with crenate margins, narrowly lanceolate to narrowly ovate
3.  Leaflets regularly dentate, broadly lanceolate to broadly ovate
Genus Synonyms
Synonym Full Citation Basionym Type
Lobadium Lobadium Rafinesque, Amer. Monthly Mag. & Crit. Rev. 4: 357. 1819. TYPE: Lobadium amentaceum Rafinesque, nom. illegit. (Rhus aromaticum Aiton)
Malosma Malosma Nuttall ex Abrams, Fl. Los Angeles, ed. 3. 220. 1917. TYPE: Malosma laurina (Nuttall ex Torrey & A. Gray) Nuttall ex Abrams (Rhus laurina Nuttall ex Torrey & A. Gray)
Neostyphonia Neostyphonia Shafer, in Britton, N. Amer. Trees 612. 1908. TYPE: = Styphonia Nuttall 1838.
Rhoeidium Rhoeidium Greene, Leafl. Bot. Observ. Crit. 1: 143. 1903. TYPE: Rhoeidium microphyllum (Engelmann ex A. Gray) Greene (Rhus microphylla Engelmann ex A. Gray)
Schmaltzia Schmaltzia Desvaux ex Small, Fl. S.E. U.S. 727. 1903. TYPE: = Lobadium Rafinesque 1819.
Styphonia Styphonia Nuttall, in Torrey & A. Gray, Fl. N. Amer. 1: 220. 1838. TYPE: Styphonia integrifolia Nuttall
Sumachium Sumachium Rafinesque, Amer. Monthly Mag. & Crit. Rev. 2: 265. 1818. TYPE: = Rhus Linnaeus 1753.
Sumacus Sumacus Rafinesque, Fl. Tellur. 3: 56. 1837 ("1836"). TYPE: = Rhus Linnaeus 1753.