| Plantaginaceae | ** |
Gratiola acuminata
| Vahl | Enum. Pl. 1: 92 | 1804 |
| Plantaginaceae | ** |
Gratiola acuminata
| Franch. ex Benth. | Prodr. 10: 403 | 1846 |
| Plantaginaceae | |
Gratiola acuminata
| Walter | Fl. Carol. 61 | 1788 |
| Plantaginaceae | |
Gratiola adenocaula
| Maxim. | Bull. Acad. Imp. Sci. Saint-Petersbourg, sér. 3 32(4): 513 | 1888 |
| Plantaginaceae | |
Gratiola amara
| Roxb. | Hort. Bengal. 4 | 1814 |
| Plantaginaceae | |
Gratiola amphiantha
| D. Estes & R.L. Small | Syst. Bot. 33(1): 181 | 2008 |
| Plantaginaceae | |
Gratiola anagallidea
| Michx. | Fl. Bor.-Amer. 1: 6–7 | 1803 |
| Plantaginaceae | |
Gratiola angustifolia
| Gilib. | Fl. Lit. Inch. 1: 123 | 1782 |
| Plantaginaceae | |
Gratiola aphylla
| B. Heyne ex Roth | Nov. Pl. Sp. 7 | 1821 |
| Plantaginaceae | |
Gratiola aspera
| Roth | Syst. Veg. (ed. 15 bis) 1: 137 | 1817 |
| Plantaginaceae | |
Gratiola aurea
| Muhl. | Cat. Pl. Amer. Sept. | 1813 |
| Plantaginaceae | |
Gratiola bogotensis
| Cortés | Proc. Acad. Nat. Sci. Philadelphia 72: 154 | 1920 |
| Plantaginaceae | |
Gratiola brevifolia
| Raf. | Atlantic J. 1(6): 176 | 1833 |
| Plantaginaceae | |
Gratiola callosa
| Raf. | Autik. Bot. 42 | 1840 |
| Plantaginaceae | |
Gratiola caroliniensis
| Pursh | Fl. Amer. Sept. 1: 12 | 1813 |
| Plantaginaceae | |
Gratiola caroliniensis
| Leconte | Ann. Lyceum Nat. Hist. New York 1: 105 | 1824 |
| Plantaginaceae | |
Gratiola chamaedrifolia
| Lam. | Encycl. 3: 27 | 1789 |
| Plantaginaceae | |
Gratiola chamaedrys
| Roth | Syst. Veg. (ed. 15 bis) 1: 137 | 1817 |
| Plantaginaceae | * |
Gratiola chilensis
| Molina | Sag. Stor. Nat. Chili (ed. 2) 277 | 1810 |
| Plantaginaceae | |
Gratiola ciliata
| Colsm. | Prodr. Descr. Gratiol. 14–15 | 1793 |
| Plantaginaceae | |
Gratiola concinna
| Colenso | Trans. & Proc. New Zealand Inst. 19: 264 | 1886 [1887] |
| Plantaginaceae | |
Gratiola cordifolia
| Colsm. | Prodr. Descr. Gratiol. 15 | 1793 |
| Plantaginaceae | |
Gratiola crassifolia
| Lag. | Gen. Sp. Pl. 1 | 1816 |
| Plantaginaceae | |
Gratiola cuneifolia
| Roxb. | Fl. Ind. 1: 142 | 1820 |
| Plantaginaceae | ** |
Gratiola debilis
| B. Heyne | Numer. List 3946 | 1831 |
| Plantaginaceae | |
Gratiola domingensis
| C.F. Gaertn. | Suppl. Carp. 189, t. 214 | 1807 |
| Plantaginaceae | |
Gratiola drummondii
| Benth. | Prodr. 10: 405 | 1846 |
| Plantaginaceae | |
Gratiola dubia
| L. | Sp. Pl. 1: 17 | 1753 |
| Plantaginaceae | |
Gratiola ebracteata
| Benth. ex A. DC. | Prodr. 10: 595 | 1846 |
| Plantaginaceae | |
Gratiola flava
| Leavenw. ex Pennell | Proc. Acad. Nat. Sci. Philadelphia 73(3B): 472 | 1921 [1922] |
| Plantaginaceae | |
Gratiola floridana
| Nutt. | J. Acad. Nat. Sci. Philadelphia 7(1): 103–104 | 1834 |
| Plantaginaceae | |
Gratiola fluviatilis
| Koidz. | Bot. Mag. (Tokyo) 39: 15 | 1925 |
| Plantaginaceae | |
Gratiola genuflora
| Samp. | Ann. Sci. Nat. (Oporto) 7: 8 | 1902 |
| Plantaginaceae | |
Gratiola georgiana
| Pennell | Proc. Acad. Nat. Sci. Philadelphia 71(6): 239–240 | 1919 [1920] |
| Plantaginaceae | |
Gratiola glabra
| Walp. | Repert. Bot. Syst. 3: 287 | 1844 |
| Plantaginaceae | |
Gratiola goodeniifolia
| Hornem. | Enum. Pl. Hort. Hafn. (Revised ed.) 19 | 1807 |
| Plantaginaceae | |
Gratiola gracilis
| Benth. | Prodr. 10: 402 | 1846 |
| Plantaginaceae | |
Gratiola grandiflora
| Retz. | Observ. Bot. 4: 8 | 1786 |
| Plantaginaceae | |
Gratiola graniticola
| D. Estes | J. Bot. Res. Inst. Texas 1(1): 166–169, f. 3A, D, 6 [map], 9 | 2007 |
| Plantaginaceae | |
Gratiola griffithii
| Hook. f. | Fl. Brit. India 4(11): 273 | 1884 |
| Plantaginaceae | |
Gratiola heterophylla
| Raf. | Autik. Bot. 43 | 1840 |
| Plantaginaceae | |
Gratiola heterosepala
| H. Mason & Bacig. | Madroño 12(5): 150–152, f. 1–8 | 1954 |
| Plantaginaceae | |
Gratiola hispida
| (Benth.) Pollard | Bull. Torrey Bot. Club 24(3): 157 | 1897 |
| Plantaginaceae | |
Gratiola hyssopifolia
| Houtt. | Nat. Hist. 2(7): 123 | 1777 |
| Plantaginaceae | |
Gratiola hyssopioides
| Roxb. | Pl. Coromandel 2: 16 | 1799 |
| Plantaginaceae | ! |
Gratiola hyssopoides
| L. | Mant. Pl. 174 | 1771 |
| Plantaginaceae | |
Gratiola inaequalis
| Walter | Fl. Carol. 61 | 1788 |
| Plantaginaceae | |
Gratiola integrifolia
| Roxb. | Hort. Bengal. 4 | 1814 |
| Plantaginaceae | |
Gratiola involucrata
| Roxb. | Fl. Ind. 1: 137 | 1820 |
| Plantaginaceae | |
Gratiola japonica
| Miq. | Ann. Mus. Bot. Lugduno-Batavi 2: 117 | 1866 |
| Plantaginaceae | |
Gratiola juncea
| Roxb. | Pl. Coromandel 2(1): 16 | 1799 |
| Plantaginaceae | |
Gratiola latifolia
| R. Br. | Prodr. 435 | 1810 |
| Plantaginaceae | |
Gratiola linifolia
| Vahl | Enum. Pl. 1: 89 | 1804 |
| Plantaginaceae | |
Gratiola lobelioides
| Retz. | Observ. Bot. (Mohr) 4: 7 | 1786 |
| Plantaginaceae | * |
Gratiola lucida
| Vahl. | Enum. 1: 95 | 1804 |
| Plantaginaceae | * |
Gratiola lucida
| Willd. | Sp. Pl. 1(1): 103 | 1797 |
| Plantaginaceae | |
Gratiola lutea
| Raf. | Med. Repos., hexade 3, 2: 333 | 1811 |
| Plantaginaceae | |
Gratiola megalocarpa
| Elliott | Sketch Bot. S. Carolina 1(1): 16 | 1816 |
| Plantaginaceae | |
Gratiola meonantha
| Samp. | Ann. Sci. Nat. (Oporto) 10: 54 | 1906 |
| Plantaginaceae | |
Gratiola mesochora
| Peattie | Amer. Midl. Naturalist 10: 130 | 1926 |
| Plantaginaceae | |
Gratiola mexicana
| S. Watson | Proc. Amer. Acad. Arts 25: 159 | 1890 |
| Plantaginaceae | |
Gratiola micrantha
| Franch. & Sav. | Enum. Pl. Jap. 2: 456 | 1878 |
| Plantaginaceae | |
Gratiola micrantha
| Nutt. | Amer. J. Sci. Arts 5(2): 287 | 1822 |
| Plantaginaceae | |
Gratiola minima
| Roth | Syst. Veg. (ed. 15 bis) 1: 136 | 1817 |
| Plantaginaceae | |
Gratiola missouriana
| L.C. Beck | Amer. J. Sci. Arts 10: 258 | 1826 |
| Plantaginaceae | * |
Gratiola monnieri
| L. | Syst. Nat. (ed. 10) 2: 851 | 1759 |
| Plantaginaceae | ** |
Gratiola monnieria
| L. | Amoen. Acad. 4: 306 | 1759 |
| Plantaginaceae | ! |
Gratiola monnierii
| (L.) L. | Syst. Nat. (ed. 10) 2: 851 | 1759 |
| Plantaginaceae | |
Gratiola nana
| | | |
| Plantaginaceae | |
Gratiola nana
| Benth. | Prodr. 10: 404 | 1846 |
| Plantaginaceae | |
Gratiola neglecta
| Torr. | Cat. Pl. New York 89 | 1819 |
| Plantaginaceae | |
Gratiola nudicaulis
| Willd. | Neue Schriften Ges. Naturf. Freunde Berlin 4: 193 | 1803 |
| Plantaginaceae | |
Gratiola odorata
| Raf. | Autik. Bot. 43 | 1840 |
| Plantaginaceae | |
Gratiola officinalis
| L. | Sp. Pl. 1: 17 | 1753 |
| Plantaginaceae | |
Gratiola oppositifolia
| Retz. | Observ. Bot. 4: 8 | 1786 |
| Plantaginaceae | |
Gratiola oresbia
| B.L. Rob. | Proc. Amer. Acad. Arts 44(21): 614 | 1909 |
| Plantaginaceae | |
Gratiola origanifolia
| Vahl. | Enum. Pl. 1: 99 | 1804 |
| Plantaginaceae | |
Gratiola parviflora
| Roxb. | Pl. Coromandel 3: 3, t. 203 | 1819 |
| Plantaginaceae | |
Gratiola pedunculata
| R. Br. | Prodr. 435 | 1810 |
| Plantaginaceae | |
Gratiola pedunculata
| | | |
| Plantaginaceae | |
Gratiola peruviana
| L. | Sp. Pl. 1: 17 | 1753 |
| Plantaginaceae | |
Gratiola pilosa
| Michx. | Fl. Bor.-Amer. 1: 7 | 1803 |
| Plantaginaceae | |
Gratiola portulacacea
| Weinm. | Syll. Pl. Nov. 1: 222 | 1824 |
| Plantaginaceae | |
Gratiola pubescens
| R. Br. | Prodr. 435 | 1810 |
| Plantaginaceae | |
Gratiola pumilo
| F. Muell. | Linnaea 25: 431 | 1852 [1853] |
| Plantaginaceae | |
Gratiola pusilla
| Willd. | Sp. Pl. 1(1): 105–106 | 1797 |
| Plantaginaceae | * |
Gratiola pusilla
| Torr. ex Benth. | Prodr. 10: 402 | 1846 |
| Plantaginaceae | |
Gratiola quadridentata
| Michx. | Fl. Bor.-Amer. 1: 6 | 1803 |
| Plantaginaceae | |
Gratiola quartermaniae
| D. Estes | J. Bot. Res. Inst. Texas 1(1): 163–166, f. 3C, F, 5 [map], 8 | 2007 |
| Plantaginaceae | |
Gratiola racemosa
| Roth | Syst. Veg. (ed. 15 bis) 1: 136 | 1817 |
| Plantaginaceae | |
Gratiola ramosa
| Walter | Fl. Carol. 61–62 | 1788 |
| Plantaginaceae | ! |
Gratiola repens
| Sw. | Prodr. 14 | 1788 |
| Plantaginaceae | * |
Gratiola repens
| Sessé & Moc. | Fl. Mexic. (ed. 2) 153 | 1894 |
| Plantaginaceae | |
Gratiola reptans
| Roxb. | Fl. Ind. 1: 140 | 1820 |
| Plantaginaceae | |
Gratiola rotundifolia
| L. | Mant. Pl. Alt. 2: 174 | 1771 |
| Plantaginaceae | |
Gratiola ruellioides
| Colsm. | Prodr. Descr. Grat. 12 | 1793 |
| Plantaginaceae | |
Gratiola salmantica
| Lag. | Gen. Sp. Pl. 1 | 1816 |
| Plantaginaceae | |
Gratiola serrata
| Roxb. | Fl. Ind. 1: 140 | 1820 |
| Plantaginaceae | |
Gratiola sexdendata
| A. Cunn. | Ann. Nat. Hist. 1: 459 | 1838 |
| Plantaginaceae | |
Gratiola sexdentata
| | | |