Peonies
* Herbaceous species (about 30 species)
o Paeonia abchasica
o Paeonia anomala
o Paeonia bakeri
o Paeonia broteri
o Paeonia brownii (Brown's Peony)
o Paeonia californica (California Peony)
o Paeonia cambessedesii
o Paeonia caucasica
o Paeonia clusii
o Paeonia coriacea
o Paeonia daurica
o Paeonia emodi
o Paeonia hirsuta
o Paeonia intermedia
o Paeonia japonica (Japanese Peony)
o Paeonia kesrouanensis (Syrian Peony)
o Paeonia lactiflora (Chinese Peony, "common garden peony")
o Paeonia macrophylla
o Paeonia mairei
o Paeonia mascula (Balkan Peony)
o Paeonia mlokosewitschii (Golden Peony)
o Paeonia obovata
o Paeonia officinalis (European Peony)
o Paeonia parnassica (Greek Peony)
o Paeonia peregrina
o Paeonia rhodia
o Paeonia sinjiangensis
o Paeonia sterniana
o Paeonia steveniana
o Paeonia tenuifolia
o Paeonia tomentosa
o Paeonia veitchii (Veitch's Peony)
o Paeonia wittmanniana
* Woody species (about 8 species)
o Paeonia decomposita
o Paeonia delavayi (Delavay's Tree Peony)
o Paeonia jishanensis (syn. Paeonia spontanea; Jishan Peony)
o Paeonia ludlowii (Ludlow's Tree Peony)
o Paeonia ostii (Osti's Peony)
o Paeonia qiui (Qiu's Peony)
o Paeonia rockii (syn. Paeonia suffruticosa subsp. rockii; Rock's Peony or Tree Peony)
o Paeonia suffruticosa
