| Araceae | |
Syngonium adsettiorum
| Croat, O. Ortiz & J.S. Harrison | Novon 27(1): 53–54, f. 15–17 | 2019 |
| Araceae | |
Syngonium affine
| Schott | Syn. Aroid. 1856: 67–68 | 1856 |
| Araceae | ! |
Syngonium albolineatum
| W. Bull | Cat. New Beautiful Rare Pl. 1871: 6 | 1871 |
| Araceae | * |
Syngonium albolineatum
| hort. ex Engl. | Pflanzenr. IV.23E (Heft 71): 129 | 1920 |
| Araceae | |
Syngonium amazonicum
| Engl. | Pflanzenr. 23E(Heft 71): 128 | 1920 |
| Araceae | |
Syngonium angustatum
| Schott | Oesterr. Bot. Z. 8(6): 178 | 1858 |
| Araceae | |
Syngonium angustifolium
| Schott | | |
| Araceae | |
Syngonium apurense
| G.S. Bunting | Acta Bot. Venez. 10: 322 | 1975 |
| Araceae | |
Syngonium armigerum
| (Standl. & L.O. Williams) Croat | Ann. Missouri Bot. Gard. 68(4): 585 | 1981 [1982] |
| Araceae | |
Syngonium atrovirens
| G.S. Bunting | Acta Bot. Venez. 11: 323 | 1975 |
| Araceae | |
Syngonium auritum
| (L.) Schott | Wiener Z. Kunst 1829(3): 780 | 1829 |
| Araceae | |
Syngonium barbosae
| Croat | | |
| Araceae | |
Syngonium bastimentoense
| O. Ortiz & Croat | Novon 27(1): 54–56, f. 18–19 | 2019 |
| Araceae | |
Syngonium birdseyanum
| Croat | | |
| Araceae | |
Syngonium brewsterense
| Croat & Delannay | Novon 27(1): 56–58, f. 20 | 2019 |
| Araceae | |
Syngonium castroi
| Grayum | Phytologia 82(1): 52 | 1997 |
| Araceae | ! |
Syngonium chiapense
| Matuda | Revista Soc. Mex. Hist. Nat. 11: 94–95, f. 5 | 1950 |
| Araceae | |
Syngonium chocoanum
| Croat | Ann. Missouri Bot. Gard. 68(4): 590, f. 6 | 1981 [1982] |
| Araceae | |
Syngonium churchillii
| Croat & O. Ortiz | Novon 27(1): 56–58, f. 21 | 2019 |
| Araceae | |
Syngonium connatum
| Gleason | Bull. Torrey Bot. Club 56: 13 | 1929 |
| Araceae | |
Syngonium crassifolium
| (Engl.) Croat | Ann. Missouri Bot. Gard. 68(4): 591 | 1981 [1982] |
| Araceae | |
Syngonium decipiens
| Schott | Syn. Aroid. 1856: 69–70 | 1856 |
| Araceae | |
Syngonium dodsonianum
| Croat | Ann. Missouri Bot. Gard. 68(4): 592, f. 7 | 1981 [1982] |
| Araceae | ** |
Syngonium donnell-smithii
| Engl. ex Donn. Sm. | Enum. Pl. Guatem. 2: 77 | 1891 |
| Araceae | ! |
Syngonium donnell-smithii
| Engl. | Bot. Jahrb. Syst. 37: 141 | 1905 |
| Araceae | |
Syngonium erythrophyllum
| Birdsey ex G.S. Bunting | Baileya 14: 17 | 1966 |
| Araceae | |
Syngonium foreroanum
| Croat | Ann. Missouri Bot. Gard. 68(4): 594, f. 8 | 1981 [1982] |
| Araceae | |
Syngonium gentryanum
| Croat | Ann. Missouri Bot. Gard. 68(4): 612–613, f. 42 | 1981 |
| Araceae | |
Syngonium glaucopetiolatum
| Croat | Ann. Missouri Bot. Gard. 68(4): 613, f. 43, 47 | 1981 [1982] |
| Araceae | * |
Syngonium gracile
| Matuda | Anales Inst. Biol. Univ. Nac. México 43(1): 56, f. 5 | 1972 [1974] |
| Araceae | ! |
Syngonium gracile
| (Miq.) Schott | Syn. Aroid. 70 | 1856 |
| Araceae | |
Syngonium harlingianum
| Croat | Ann. Missouri Bot. Gard. 68(4): 615, f. 44 | 1981 [1982] |
| Araceae | ! |
Syngonium hastiferum
| (Standl. & L.O. Williams) Croat | Ann. Missouri Bot. Gard. 68(4): 595 | 1981 [1982] |
| Araceae | |
Syngonium hastifolium
| Engl. | Bot. Jahrb. Syst. 37: 141 | 1905 |
| Araceae | |
Syngonium hoffmannii
| Schott | Oesterr. Bot. Z. 8(6): 178 | 1858 |
| Araceae | |
Syngonium laterinervium
| Croat | Ann. Missouri Bot. Gard. 68(4): 620, f. 16 | 1981 [1982] |
| Araceae | |
Syngonium litense
| Croat | Novon 27(1): 58–62, f. 22–24 | 2019 |
| Araceae | |
Syngonium llamasii
| Matuda | Cact. Suc. Mex. 2(4): 79–80, f. 52 | 1957 |
| Araceae | |
Syngonium llanoense
| Croat | Ann. Missouri Bot. Gard. 68(4): 585, f. 2–4, 21 | 1981 [1982] |
| Araceae | |
Syngonium macrocarpum
| Engl. | | |
| Araceae | |
Syngonium macrophyllum
| Engl. | Pflanzenr. IV. 23E(Heft 71): 128 | 1920 |
| Araceae | |
Syngonium mauroanum
| Birdsey ex G.S. Bunting | Baileya 14: 18 | 1966 |
| Araceae | |
Syngonium meridense
| G.S. Bunting | Acta Bot. Venez. 10: 324 | 1975 |
| Araceae | |
Syngonium morelosense
| Matuda | Anales Inst. Biol. Univ. Nac. México 22: 369–371, f. 1 | 1951 [1952] |
| Araceae | |
Syngonium neglectum
| Schott | Bonplandia (Hannover) 7: 163 | 1859 |
| Araceae | |
Syngonium occidentale
| G.S. Bunting | Gentes Herbarum 9: 371, f. 271 | 1965 |
| Araceae | |
Syngonium oduberi
| T. Ray | Aroideana 3(4): 128 | 1980 |
| Araceae | |
Syngonium oerstedianum
| Schott | Oesterr. Bot. Z. 8(6): 178 | 1858 |
| Araceae | |
Syngonium peliocladum
| Schott | Prodr. Syst. Aroid. 202 | 1860 |
| Araceae | |
Syngonium plumieri
| Schott | Syn. Aroid. 66 | 1856 |
| Araceae | |
Syngonium podophyllum
| Schott | Bot. Zeitung (Berlin) 9(5): 85 | 1851 |
| Araceae | |
Syngonium poeppigii
| Schott | Syn. Aroid. 68 | 1856 |
| Araceae | |
Syngonium purpureospathum
| Croat & Raz | Novon 27(1): 62–63, f. 25 | 2019 |
| Araceae | |
Syngonium rayi
| Croat & Grayum | Phytologia 82(1): 53–55 | 1997 |
| Araceae | |
Syngonium reticulatum
| Engl. | Bot. Jahrb. Syst. 37: 140 | 1905 |
| Araceae | |
Syngonium riedelianum
| Schott | Syn. Aroid. 70 | 1856 |
| Araceae | |
Syngonium rothschuhianum
| Engl. | Pflanzenr. IV. 23E(Heft 71): 124 | 1920 |
| Araceae | |
Syngonium ruizii
| Schott | Oesterr. Bot. Wochenbl. 4: 418 | 1854 |
| Araceae | |
Syngonium sagittatum
| G.S. Bunting | Gentes Herbarum 9: 372 | 1965 |
| Araceae | |
Syngonium salvadorense
| Schott | Oesterr. Bot. Z. 8(6): 178 | 1858 |
| Araceae | |
Syngonium schottianum
| H. Wendl. ex Schott | Prodr. Syst. Aroid. 199–200 | 1860 |
| Araceae | |
Syngonium sparreorum
| Croat | Ann. Missouri Bot. Gard. 68(4): 639, f. 71–72 | 1981 [1982] |
| Araceae | |
Syngonium standleyanum
| G.S. Bunting | Baileya 14(1): 21–22, t. 4–5 | 1966 |
| Araceae | |
Syngonium steyermarkii
| Croat | Ann. Missouri Bot. Gard. 68(4): 604–605, f. 31, 37–39 | 1981 [1982] |
| Araceae | |
Syngonium tacotalpense
| Díaz Jim. & Croat | Novon 27(1): 63, f. 26–28 | 2019 |
| Araceae | |
Syngonium ternatum
| Gleason | Bull. Torrey Bot. Club 56: 13–14 | 1929 |
| Araceae | |
Syngonium triphyllum
| Birdsey ex Croat | Ann. Missouri Bot. Gard. 68(4): 642–645, f. 68, 73–75 | 1981 [1982] |
| Araceae | |
Syngonium vellozianum
| Schott | Oesterr. Bot. Wochenbl. 4(52): 418 | 1854 |
| Araceae | |
Syngonium wendlandii
| Schott | Oesterr. Bot. Z. 8(6): 178 | 1858 |
| Araceae | |
Syngonium willdenowii
| Schott | Syn. Aroid. 68 | 1856 |
| Araceae | |
Syngonium williamsii
| K. Krause | | |
| Araceae | |
Syngonium xanthophilum
| Schott | Prodr. Syst. Aroid. 214 | 1860 |
| Araceae | |
Syngonium yurimaguense
| Engl. | Bot. Jahrb. Syst. 37: 141 | 1905 |
| Araceae | |
Syngonium zuluagae
| Croat & Delannay | | |