Isotrema californicum (Torr.) H.Huber species accepted

Isotrema tomentosum (Sims) H.Huber species accepted

Isotrema macrophyllum (Lam.) C.F.Reed species accepted

Isotrema arborea (Linden) Eb.Fisch. species accepted

Isotrema griffithii (Hook.fil. & Thomson ex Duch.) C.E.C.Fisch. species accepted

Isotrema kaempferi (Willd.) H.Huber species accepted

Isotrema kechangense (Y.D.Peng & L.Y.Yu) X.X.Zhu, Jun Wang & J.S.Ma species accepted

Isotrema manshuriense (Kom.) H.Huber species accepted

Isotrema nakaoi (F.Maek.) A.R.Sm. species accepted

Isotrema pseudoutriforme (X.X.Zhu & J.S.Ma) X.X.Zhu, Jun Wang & J.S.Ma species accepted

Isotrema sanyaense R.T.Li, X.X.Zhu & Z.W.Wang species accepted

Isotrema transsecta Chatterjee species accepted

Isotrema tricaudatum (Lem.) H.Huber species accepted

Isotrema wenshanense (Lei Cai, D.M.He & Z.L.Dao) X.X.Zhu, Jun Wang & J.S.Ma species accepted

Isotrema westlandii (Hemsl.) H.Huber species accepted

Isotrema yangii (X.X.Zhu & J.S.Ma) X.X.Zhu, Jun Wang & J.S.Ma species accepted

Isotrema annamense (T.V.Do, Wanke & Neinhuis) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema asclepiadifolium (Brandegee) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema brevilimbum X.X.Zhu, Jun Wang & F.Cao species accepted

Isotrema austroszechuanicum (C.P.Tsien & C.Y.Cheng ex C.Y.Cheng & J.Linn.Wu) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema austroyunnanense (S.M.Hwang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema baenzigeri (B.Hansen & Phuph.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema balansae (Franch.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema bambusifolium (C.F.Liang ex H.Q.Wen) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema bidoupense (T.V.Do) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema bullatum (Pfeifer) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema cangshanense X.X.Zhu, H.L.Zheng & J.S.Ma species accepted

Isotrema cathcartii (Hook.fil.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema caulialatum (C.Y.Wu ex C.Y.Cheng & J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema championii (Merr. & Chun) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema coadunatum (Backer) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema cucurbitifolium (Hayata) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema cucurbitoides (C.F.Liang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema dabieshanense (C.Y.Cheng & W.Yu) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema dilatatum (N.E.Br.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema fangchi (Y.C.Wu ex L.D.Chow & S.M.Hwang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema faucimaculatum (H.Zhang & C.K.Hsien) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema faviogonzalezii (T.V.Do, Wanke & Neinhuis) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema feddei (H.Lév.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema forrestianum (J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema fulvicomum (Merr. & Chun) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema gongchengense (Y.S.Huang, Y.D.Peng & C.R.Lin) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema grande (Craib) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema hainanense (Merr.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema hei Lei Cai & X.X.Zhu species accepted

Isotrema howii (Merr. & Chun) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema huanjiangense (Yan Liu & L.Wu) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema hyperxanthum (X.X.Zhu & J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema impudicum (J.F.Ortega) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema involutum (X.X.Zhu, Z.X.Ma & J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema jianfenglingense (Han Xu, Y.D.Li & H.Q.Chen) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema kunmingense (C.Y.Cheng & J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema kwangsiense (Chun & F.C.How ex C.F.Liang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema ledongense (Han Xu, Y.D.Li & H.J.Yang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema liangshanense (Z.L.Yang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema liukiuense (Hatus.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema longlinense (Yan Liu & L.Wu) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema malacophyllum (Standl.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema meionanthum (Hand.-Mazz.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema melanocephalum (X.X.Zhu & J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema molle (Dunn) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema mollissimum (Hance) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema moupinense (Franch.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema mulunense (Y.S.Huang & Yan Liu) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema neinhuisii (T.V.Do) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema neolongifolium (J.Linn.Wu & Z.L.Yang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema nuichuaense (T.V.Do & Luu) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema obliquum (S.M.Hwang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema ovatifolium (S.M.Hwang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema panamense (Standl.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema paracletum (Pfeifer) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema petelotii (O.C.Schmidt) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema pilosistylum (X.X.Zhu & J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema plagiostomum X.X.Zhou & R.J.Wang species accepted

Isotrema platanifolium (Klotzsch) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema pseudocaulialatum (X.X.Zhu, J.N.Liu & J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema punjabense (Lace) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema quangbinhense (T.V.Do) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema saccatum (Wall.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema salweenense (C.Y.Cheng & J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema scytophyllum (S.M.Hwang & D.Y.Chen) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema shimadae (Hayata) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema singalangense (Korth. ex Ding Hou) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema sinoburmanicum (Y.H.Tan & B.Yang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema stevensii (Barringer) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema tadungense (T.V.Do & Luu) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema tanzawanum (Kigawa) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema thibeticum (Franch.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema thwaitesii (Hook.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema tongbiguanense (J.Y.Shen, Q.B.Gong & Landrein) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema tonkinense (T.V.Do & Wanke) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema utriforme (S.M.Hwang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema vallisicola (T.L.Yao) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema veracruzanum (J.F.Ortega) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema versicolor (S.M.Hwang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema wardianum (J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema weixiense (X.X.Zhu & J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema wuanum (Zhen W.Liu & Y.F.Deng) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema xuanlienense (N.T.T.Huong, B.H.Quang & J.S.Ma) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema yujungianum (C.T.Lu & J.C.Wang) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema yunnanense (Franch.) X.X.Zhu, S.Liao & J.S.Ma species accepted

Isotrema compressicaule (Z.L.Yang) X.X.Zhu & S.Liao species accepted

Isotrema pseudohei X.X.Zhu, Jun Wang & G.D.Li species accepted

Isotrema yachangense (B.G.Huang, Yan Liu & Y.S.Huang) Luu, Q.B.Nguyen & H.C.Nguyen species accepted

Isotrema vuquangense (T.V.Do) Luu, Q.B.Nguyen & H.C.Nguyen species accepted

Isotrema putalengense Luu, Q.B.Nguyen & H.C.Nguyen species accepted

Isotrema pahsienshanianum C.T.Lu, C.Lan Yang & J.C.Wang species accepted

Isotrema haimingii Y.S.Huang & Yan Liu species accepted

Isotrema hohuanense (S.S.Ying) C.T.Lu & J.C.Wang species accepted

Isotrema guangdongense Y.S.Chen & Ye C.Xu species accepted

Isotrema cangyuanense X.D.Ma & J.Y.Shen species accepted