| Euphorbia bodinieri H.Lév. & Vaniot (synonym) |
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| Euphorbia erythraea Hemsl. (synonym) |
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| Euphorbia esquirolii H.Lév. & Vaniot (synonym) |
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| Euphorbia glaucopoda Diels (synonym) |
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| Euphorbia guilielmii A.Gray (synonym) |
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| Euphorbia henryi Hemsl. (synonym) |
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| Euphorbia hippocrepica Hemsl. (synonym) |
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| Euphorbia idzuensis Nakai ex Hurus. (synonym) |
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| Euphorbia kangdingensis W.T.Wang (synonym) |
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| Euphorbia kangdingensis var. puberula W.T.Wang (synonym) |
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| Euphorbia luticola Hand.-Mazz. (synonym) |
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| Euphorbia savaryi Kiss (synonym) |
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| Euphorbia sieboldiana var. grandifolia (Franch. & Sav. ex Hurus.) Oudejans (synonym) |
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| Euphorbia sieboldiana var. idzuensis (Hurus.) Oudejans (synonym) |
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| Euphorbia sieboldiana forma idzuensis Hurus. (synonym) |
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| Euphorbia sieboldiana var. montana Tatew. (synonym) |
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| Euphorbia sieboldiana var. ohsumiensis (Hurus.) Hatus. (synonym) |
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| Euphorbia sieboldiana var. peninsularis (Hurus.) Kitag. (synonym) |
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| Euphorbia sieboldiana forma peninsularis Hurus. (synonym) |
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| Euphorbia sieboldiana var. sylvatica (Hurus.) Oudejans (synonym) |
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| Euphorbia sieboldiana forma sylvatica Hurus. (synonym) |
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| Euphorbia sieboldiana forma yezoensis Hurus. (synonym) |
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| Euphorbia szechuanica Pax & K.Hoffm. (synonym) |
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| Euphorbia taquetii H.Lév. & Vaniot (synonym) |
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| Euphorbia tsukamotoi Honda (synonym) |
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| Galarhoeus hippocrepicus (Hemsl.) Hurus. (synonym) |
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| Galarhoeus luticola (Hand.-Mazz.) Hurus. (synonym) |
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| Galarhoeus sieboldianus (C.Morren & Decne.) H.Hara (synonym) |
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| Galarhoeus sieboldianus forma grandifolius Franch. & Sav. ex Hurus. (synonym) |
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| Galarhoeus sieboldianus var. idzuensis Hurus. (synonym) |
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| Galarhoeus sieboldianus var. miyajimensis Hurus. (synonym) |
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| Galarhoeus sieboldianus var. montanus (Tatew.) H.Hara (synonym) |
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| Galarhoeus sieboldianus var. ohsumiensis Hurus. (synonym) |
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| Galarhoeus sieboldianus forma peninsularis (Hurus.) Hurus. (synonym) |
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| Galarhoeus sieboldianus var. shikokianus Hurus. (synonym) |
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| Tithymalus erythraeus (Hemsl.) Soják (synonym) |
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| Tithymalus henryi (Hemsl.) Soják (synonym) |
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| Tithymalus hippocrepicus (Hemsl.) Soják (synonym) |
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| Tithymalus sieboldianus (C.Morren & Decne.) H.Hara (synonym) |
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| Tithymalus szechuanicus (Pax & K.Hoffm.) Soják (synonym) |
|
