Rubiaceae | |
Houstonia acerosa
| (A. Gray) Benth. & Hook. f. | Gen. Pl. 2(1): 60 | 1873 |
Rubiaceae | |
Houstonia angustifolia
| Michx. | Fl. Bor.-Amer. 1: 85–86 | 1803 |
Rubiaceae | * |
Houstonia angustifolia
| Pursh | Fl. Amer. Sept. 1: 106 | 1814 |
Rubiaceae | |
Houstonia arenaria
| Rose | Contr. U.S. Natl. Herb. 1(3): 70–71 | 1890 |
Rubiaceae | |
Houstonia asperuloides
| (Benth.) A. Gray | Proc. Amer. Acad. Arts 5: 158 | 1860 |
Rubiaceae | |
Houstonia australis
| I.M. Johnst. | Univ. Calif. Publ. Bot. 7: 446 | 1922 |
Rubiaceae | |
Houstonia biloba
| Raf. | New Fl. 4: 101 | 1838 |
Rubiaceae | |
Houstonia bouvardioides
| (Seem.) Benth. & Hook. f. | Gen. Pl. 2(1): 60 | 1873 |
Rubiaceae | |
Houstonia brandegeeana
| Rose | Contr. U.S. Natl. Herb. 1(3): 70 | 1890 |
Rubiaceae | |
Houstonia brevipes
| Rose | Contr. U.S. Natl. Herb. 1(3): 83 | 1890 |
Rubiaceae | |
Houstonia bryoides
| Willd. | Syst. Veg. 3: 527 | 1818 |
Rubiaceae | |
Houstonia butterwickiae
| Terrell | Brittonia 31(1): 164–166, f. 1 | 1979 |
Rubiaceae | |
Houstonia caerulea
| L. | Sp. Pl. 1: 105 | 1753 |
Rubiaceae | |
Houstonia calycosa
| (A. Gray) C. Mohr | Contr. U.S. Natl. Herb. 6: 739 | 1901 |
Rubiaceae | |
Houstonia canadensis
| Willd. ex Roem. & Schult. | Syst. Veg. 3: 527 | 1818 |
Rubiaceae | ** |
Houstonia cervantesii
| (Kunth) Terrell | | |
Rubiaceae | |
Houstonia chlorantha
| Bertol. | Elench 3: 116 | 1820 |
Rubiaceae | |
Houstonia ciliata
| Raf. | Ann. Gén. Sci. Phys. 5: 226 | 1820 |
Rubiaceae | |
Houstonia ciliolata
| Torr. | Fl. N. Middle United States 1: 173 | 1824 |
Rubiaceae | |
Houstonia coccinea
| Andrews | Bot. Repos. t. 106 | 1800 |
Rubiaceae | |
Houstonia correllii
| (W.H. Lewis) Terrell | Phytologia 31(6): 425 | 1975 |
Rubiaceae | |
Houstonia croftiae
| Britton & Rusby | Trans. New York Acad. Sci. 7: 10 | 1887 |
Rubiaceae | |
Houstonia drymarioides
| Standl. | J. Washington Acad. Sci. 18(6): 162 | 1928 |
Rubiaceae | |
Houstonia fasciculata
| A. Gray | Proc. Amer. Acad. Arts 17: 203 | 1882 |
Rubiaceae | |
Houstonia faxonorum
| (Pease & A.H. Moore) Fernald | Rhodora 29(345): 187 | 1927 |
Rubiaceae | |
Houstonia filifolia
| (Chapm.) Small | Fl. S.E. U.S. 1109 | 1903 |
Rubiaceae | |
Houstonia floridana
| Standl. | N. Amer. Fl. 32(1): 36 | 1918 |
Rubiaceae | ! |
Houstonia fruticosa
| Willd. | Syst. Veg. 3: 527 | 1818 |
Rubiaceae | * |
Houstonia fruticosa
| Raf. ex A. Gray | Syn. Fl. Am. 2(1): 26 | 1884 |
Rubiaceae | * |
Houstonia fruticosa
| Rose | Contr. U.S. Natl. Herb. 1(4): 132 | 1891 |
Rubiaceae | |
Houstonia galeottii
| (M. Martens) ined. | | |
Rubiaceae | |
Houstonia geniculata
| Raf. | New Fl. 4: 102 | 1838 |
Rubiaceae | |
Houstonia gracilenta
| I.M. Johnst. | Proc. Calif. Acad. Sci., ser. 4, 12: 1174 | 1924 |
Rubiaceae | |
Houstonia gracilis
| Brandegee | Zoë 5: 238 | 1907 |
Rubiaceae | |
Houstonia grandiflora
| Raf. | Ann. Gén. Sci. Phys. 5: 225 | 1820 |
Rubiaceae | |
Houstonia greenei
| (A. Gray) Terrell | Phytologia 59(1): 79 | 1985 |
Rubiaceae | |
Houstonia heterophylla
| Raf. | Ann. Gén. Sci. Phys. 5: 227 | 1820 |
Rubiaceae | ! |
Houstonia humifusa
| (A. Gray) A. Gray | Proc. Amer. Acad. Arts 4: 314 | 1859 |
Rubiaceae | ** |
Houstonia humifusa
| (A. Gray) Hemsl. | Biol. Cent.-Amer., Bot. 2(7): 30 | 1881 |
Rubiaceae | |
Houstonia kingii
| Terrell | Brittonia 32: 491, f. 2 | 1980 |
Rubiaceae | |
Houstonia lanceolata
| (Poir.) Britton | Man. Fl. N. States 861 | 1901 |
Rubiaceae | |
Houstonia latifolia
| Willd. ex Roem. & Schult. | Syst. Veg. 3: 527 | 1818 |
Rubiaceae | |
Houstonia linnaei
| Michx. | Fl. Bor.-Amer. 1: 84–85 | 1803 |
Rubiaceae | |
Houstonia longiflora
| (Cav.) A. Gray | Proc. Amer. Acad. Arts 4: 314 | 1860 |
Rubiaceae | |
Houstonia longifolia
| Gaertn. | Fruct. Sem. Pl. 1: 226–227, pl. 49, f. 8 | 1788 |
Rubiaceae | |
Houstonia longipes
| S. Watson | Proc. Amer. Acad. Arts 18: 97 | 1883 |
Rubiaceae | |
Houstonia macrosepala
| Nutt. | Fl. N. Amer. 2: 40 | 1841 |
Rubiaceae | |
Houstonia macvaughii
| (Terrell) Govaerts ex Borhidi | Acta Bot. Hung. 54(1–2): 82 | 2012 |
Rubiaceae | |
Houstonia micrantha
| (Shinners) Terrell | Phytologia 31(6): 425 | 1975 |
Rubiaceae | |
Houstonia microphylla
| Willd. ex Roem. & Schult. | Syst. Veg. 3: 527 | 1818 |
Rubiaceae | |
Houstonia minima
| L.C. Beck | Amer. J. Sci. Arts 10(2): 262–263 | 1826 |
Rubiaceae | |
Houstonia minor
| (Michx.) Britton | Mem. Torrey Bot. Club 5: 302 | 1894 |
Rubiaceae | |
Houstonia montana
| Small | Fl. S.E. U.S. 1325, 1338 | 1903 |
Rubiaceae | |
Houstonia mucronata
| (Benth.) B.L. Rob. | Proc. Amer. Acad. Arts 45(17): 401 | 1910 |
Rubiaceae | |
Houstonia mullerae
| (Fosberg) Terrell | Brittonia 31(1): 169 | 1979 |
Rubiaceae | |
Houstonia nigricans
| (Lam.) Fernald | Rhodora 42(500): 299 | 1940 |
Rubiaceae | |
Houstonia nuttalliana
| Fosberg | Virginia J. Sci. 2: 111 | 1941 |
Rubiaceae | |
Houstonia oblongifolia
| Raf. | Ann. Gén. Sci. Phys. 5: 226 | 1820 |
Rubiaceae | |
Houstonia obtusifolia
| Raf. | Ann. Gén. Sci. Phys. 5: 226 | 1820 |
Rubiaceae | |
Houstonia ochroleuca
| Raf. | Ann. Gén. Sci. Phys. 5: 226 | 1820 |
Rubiaceae | |
Houstonia ouachitana
| (E.B. Sm.) Terrell | Phytologia 65(2): 119 | 1988 |
Rubiaceae | |
Houstonia palmeri
| A. Gray | Proc. Amer. Acad. Arts 17: 202–203 | 1882 |
Rubiaceae | |
Houstonia parviflora
| Holz. ex Greenm. | Proc. Amer. Acad. Arts 32(16): 284–285 | 1897 |
Rubiaceae | |
Houstonia parvula
| Brandegee | Zoë 5(10C): 221 | 1905 |
Rubiaceae | |
Houstonia patens
| Elliott | Sketch Bot. S. Carolina 1(2): 191 | 1816 |
Rubiaceae | |
Houstonia peninsularis
| Brandegee | Zoë 5: 160 | 1903 |
Rubiaceae | |
Houstonia polypremoides
| A. Gray | Proc. Amer. Acad. Arts 21(2): 379 | 1886 |
Rubiaceae | |
Houstonia procumbens
| (J.F. Gmel.) Standl. | N. Amer. Fl. 32(1): 26 | 1918 |
Rubiaceae | |
Houstonia prostrata
| Brandegee | Zoë 5(6–8): 105 | 1901 |
Rubiaceae | |
Houstonia pubescens
| Raf. | Med. Repos., hexade 2, 5: 361 | 1808 |
Rubiaceae | |
Houstonia pulvinata
| Small | Bull. New York Bot. Gard. 1(4): 289–290 | 1899 |
Rubiaceae | |
Houstonia purpurea
| L. | Sp. Pl. 1: 105 | 1753 |
Rubiaceae | ! |
Houstonia pusilla
| Schöpf | Reise Nordamer. Staat. 2: 306 | 1788 |
Rubiaceae | * |
Houstonia pusilla
| J.F. Gmel. | Syst. Nat. 236 | 1791 |
Rubiaceae | |
Houstonia pygmaea
| C.H. Mull. & M.T. Mull. | Bull. Torrey Bot. Club 63(1): 33–34 | 1936 |
Rubiaceae | |
Houstonia reticulata
| Raf. | New Fl. 4: 102 | 1838 |
Rubiaceae | |
Houstonia rigidiuscula
| (A. Gray) Wooton & Standl. | Contr. U.S. Natl. Herb. 16(4): 175 | 1913 |
Rubiaceae | |
Houstonia rosea
| (Raf.) Terrell | Rhodora 88(855): 395 | 1986 |
Rubiaceae | |
Houstonia rotundifolia
| Michx. | Fl. Bor.-Amer. 1: 85 | 1803 |
Rubiaceae | |
Houstonia rubra
| Cav. | Icon. 5: 48, pl. 474, f. 1 | 1799 |
Rubiaceae | |
Houstonia rupestris
| Raf. | Ann. Gén. Sci. Phys. 5: 226 | 1820 |
Rubiaceae | |
Houstonia rupicola
| Greenm. | Proc. Amer. Acad. Arts 32(16): 286 | 1897 |
Rubiaceae | |
Houstonia salina
| A. Heller | Contr. Herb. Franklin Marshall Coll. 1: 96, pl. 9 | 1895 |
Rubiaceae | |
Houstonia saxicola
| Eastw. | Proc. Calif. Acad. Sci., ser. 2, 6: 291–292 | 1896 |
Rubiaceae | ** |
Houstonia serpens
| Kunth | Nov. Gen. Sp. (quarto ed.) 3: 390 | 1818 |
Rubiaceae | |
Houstonia serpyllacea
| (Schltdl.) C.L. Sm. ex Greenm. | Proc. Amer. Acad. Arts 32(16): 284 | 1897 |
Rubiaceae | |
Houstonia serpyllifolia
| Michx. | Fl. Bor.-Amer. 1: 85 | 1803 |
Rubiaceae | * |
Houstonia serpyllifolia
| Graham | Bot. Mag. 55: t. 2822 | 1828 |
Rubiaceae | |
Houstonia setiscaphia
| L.G. Carr | Rhodora 46(548): 309 | 1944 |
Rubiaceae | |
Houstonia sharpii
| Terrell | Brittonia 32: 490, f. 1 | 1980 |
Rubiaceae | |
Houstonia spellenbergii
| (G.L. Nesom & Vorobik) Terrell | Phytologia 71(3): 234 | 1991 |
Rubiaceae | |
Houstonia subviscosa
| (Wright ex A. Gray) A. Gray | Proc. Amer. Acad. Arts 4: 314 | 1859 |
Rubiaceae | |
Houstonia tenella
| Pursh | Fl. Amer. Sept. 1: 106 | 1814 [1813] |
Rubiaceae | |
Houstonia tenuifolia
| Nutt. | Gen. N. Amer. Pl. 1: 95 | 1818 |
Rubiaceae | |
Houstonia tenuis
| Small | Fl. S.E. U.S. 1109, 1338 | 1903 |
Rubiaceae | |
Houstonia teretifolia
| Terrell | Brittonia 31(1): 166–168, f. 2 | 1979 |
Rubiaceae | |
Houstonia terrellii
| (Lorence) ined. | | |
Rubiaceae | |
Houstonia trichotoma
| (Schinz) Bär | Vierteljahrsschr. Naturf. Ges. Zürich 68: 432 | 1923 |
Rubiaceae | |
Houstonia triflora
| (Kunth) A. Gray | Proc. Amer. Acad. Arts 4: 314 | 1859 |
Rubiaceae | ** |
Houstonia umbellata
| Walp. | Repert. Bot. Syst. 1: 496 | 1842 |