Crataegus arborescens
| Crataegus arborescens Elliott, Sketch Bot. S. Carolina 1: 550. 1821. | | TYPE: GEORGIA: Fort Argyle on the Ogeechee River, |
Crataegus coccinea var. viridis
| Crataegus coccinea Linnaeus, var. viridis (Linnaeus) Torrey & A. Gray, Fl. N. Amer. 1: 465. 1840. | BASIONYM: Crataegus viridis Linnaeus 1753. | |
Crataegus lanceolata
| Crataegus lanceolata Sargent, Trees & Shrubs 2: 65, pl. 130. 1908. | | TYPE: MISSOURI: St. Louis Co.: Bottomlands of the Desperes River at Carondelet, South St. Louis, 6 May 1902, Kellogg 4 (lectotype: A). Lectotypified by J. B. Phipps et al., Harvard Pap. Bot. 11: 187. 2007. |
Crataegus newelliana
| Crataegus newelliana Murrill, Castanea 7: 24. 1942. | | TYPE: FLORIDA: Levy Co.: Vicinity of Gulf Hammock, 7 Apr 1940, Murrill 34609 (holotype: FLAS). |
Crataegus paludosa
| Crataegus paludosa Sargent, Trees & Shrubs 1: 15, pl. 8. 1902. | | TYPE: FLORIDA: Volusia Co.: Haw Creek, 1 Aug 1900 & Mar & Sep 1901, Curtiss 6678 (holotype: A?). |
Crataegus subpaludosa
| Crataegus subpaludosa Murrill, Castanea 7: 28. 1942. | | TYPE: FLORIDA: Suwannee Co.: Margin of a small limesink near Hildreth, 10 Jul 1940, Murrill 34892 (holotype: FLAS). |
Crataegus subviridis
| Crataegus subviridis Beadle, Biltmore Bot. Stud. 1: 51. 1902. | | TYPE: FLORIDA: Gadsden Co.: Near Chattahoochee, |
Crataegus viridis var. lanceolata
| Crataegus viridis Linnaeus, var. lanceolata (Sargent) E. J. Palmer, Ann. Missouri Bot. Gard. 22: 561. 1935. | BASIONYM: Crataegus lanceolata Sargent 1908. | |
Mespilus coccinea var. viridis
| Mespilus coccinea (Linnaeus) Marshall, var. viridis (Linnaeus) Castiglioni, Viagg. Stati Uniti 2: 293. 1790. | BASIONYM: Crataegus viridis Linnaeus 1753. | |
Mespilus viridis
| Mespilus viridis (Linnaeus) Sweet, Hort. Brit. 134. 1826. | BASIONYM: Crataegus viridis Linnaeus 1753. | |
Phaenopyrum viride
| Phaenopyrum viride (Linnaeus) M. Roemer, Fam. Nat. Syn. Monogr. 3: 156. 1847. | BASIONYM: Crataegus viridis Linnaeus 1753. | |
Crataegus abbreviata
| Crataegus abbreviata Sargent, J. Arnold Arbor. 3: 187. 1923. | | TYPE: TEXAS: Brazos Co.: On the Brazos River, near Brazoria, 5 Oct 1914, Palmer 6734 (holotype: A?). |
Crataegus amicalis
| Crataegus amicalis Sargent, Trees & Shrubs 2: 238. 1913. | | TYPE: ARKANSAS: Hempstead Co.: Near Fulton, 24 Apr 1902, Bush 1420 (holotype: A?). |
Crataegus atrorubens
| Crataegus atrorubens Ashe, J. Elisha Mitchell Sci. Soc. 16: 78. 1900. | | TYPE: MISSOURI: St. Louis Co.: Without locality, 1886, Eggert s.n. [fruiting portion] (lectotype: A). Lectotypified by J. B. Phipps et al., Harvard Pap. Bot. 11: 183. 2007. |
Crataegus blanda
| Crataegus blanda Sargent, Bot. Gaz. 33: 121. 1902. | | TYPE: ARKANSAS: Hempstead Co.: Near Fulton, |
Crataegus enucleata
| Crataegus enucleata Sargent, Trees & Shrubs 2: 239. 1913. | | TYPE: ARKANSAS: Hempstead Co.: Near Fulton, 18 Apr 1901, Bush & Sargent 14 (holotype: A?). |
Crataegus glabriuscula
| Crataegus glabriuscula Sargent, Bot. Gaz. 31: 235. 1901. | | TYPE: TEXAS: Dallas Co.: Bottomlands of the Trinity River, Dallas, 15 Apr 1900, Bush 493 (lectotype: A; isolectotype: A). Lectotypified by J. B. Phipps, Novon 16: 3886. 2006. |
Crataegus interior
| Crataegus interior Beadle, Biltmore Bot. Stud. 1: 52. 1902. | | TYPE: TENNESSEE: Hamilton Co.: Near Chattanooga, |
Crataegus lutensis
| Crataegus lutensis Sargent, Rep. (Annual) Missouri Bot. Gard. 22: 75. 1912. | | TYPE: MISSOURI: Newton Co.: Shoal Creek, Reading's Mill, 8 May 1909, Palmer 37 (lectotype: A; isolectotypes: A, MO). Lectotypified by J. B. Phipps, Harvard Pap. Bot. 11: 188. 2007. |
Crataegus micrantha
| Crataegus micrantha Sargent, Proc. Acad. Nat. Sci. Philadelphia 57: 658. 1905. | | TYPE: PENNSYLVANIA: Bucks Co.: Near Sellersville, May & Sep 1903, Fretz 183 (holotype: A?). |
Crataegus ovata
| Crataegus ovata Sargent, Man. Trees 402, f. 321. 1905. | | TYPE: MISSOURI: St. Louis Co.: Desperes River, St. Louis, 21 Oct 1901, Kellogg s.n. (lectotype: A; isolectotype: MO). Lectotypified by J. P. Phipps et al., Harvard Pap. Bot. 11: 190. 2007. |
Crataegus velutina
| Crataegus velutina Sargent, Trees & Shrubs 2: 238. 1913. | | TYPE: ARKANSAS: Hempstead Co.: Near Fulton, 8 Nov 1905, Bush 10C (holotype: A?). |
Crataegus viridis var. atrorubens
| Crataegus viridis Linnaeus, var. atrorubens (Ashe) E. J. Palmer, Ann. Missouri Bot. Gard. 22: 561. 1935. | BASIONYM: Crataegus atrorubens Ashe 1900. | |
Crataegus viridis var. glabriuscula
| Crataegus viridis Linnaeus, var. glabriuscula (Sargent) J. B. Phipps, Novon 16: 386. 2006. | BASIONYM: Crataegus glabriuscula Sargent 1901. | |
Crataegus viridis var. lutensis
| Crataegus viridis Linnaeus, var. lutensis (Sargent) E. J. Palmer, Ann. Missouri Bot. Gard. 22: 561. 1935. | BASIONYM: Crataegus lutensis Sargent 1912. | |
Crataegus viridis var. ovata
| Crataegus viridis Linnaeus, var. ovata (Sargent) E. J. Palmer, Ann. Missouri Bot. Gard. 22: 561. 1935. | BASIONYM: Crataegus ovata Sargent 1905. | |
Crataegus viridis var. velutina
| Crataegus viridis Linnaeus, var. velutina (Sargent) J. B. Phipps, J. Bot. Res. Inst. Texas 1: 1009. 2007. | BASIONYM: Crataegus velutina Sargent 1913. | |