Yucca filamentosa forma flaccida
| Yucca filamentosa Linnaeus, forma flaccida (Haworth) Voss, Vilm. Blumengärtn., ed. 3. 1: 1057. 1895. | BASIONYM: Yucca flaccida Haworth 1819. | |
Yucca filamentosa forma genuina
| Yucca filamentosa Linnaeus, forma genuina Engelmann, Trans. Acad. Sci. St. Louis 3: 51. 1873, nom. inadmiss. | BASIONYM: Yucca filamentosa Linnaeus 1753. | |
Yucca filamentosa subsp. smalliana
| Yucca filamentosa Linnaeus, subsp. smalliana (Fernald) Hochstätter, Kaktusblüte 2001: 10. 2001. | BASIONYM: Yucca smalliana Fernald 1944. | |
Yucca filamentosa var. angustifolia
| Yucca filamentosa Linnaeus, var. angustifolia Engelmann, Trans. Acad. Sci. St. Louis 3: 51. 1873, nom. inadmiss. | BASIONYM: Yucca filamentosa Linnaeus 1753. | |
Yucca filamentosa var. flaccida
| Yucca filamentosa Linnaeus, var. flaccida (Haworth) Engelmann, Trans. Acad. Sci. St. Louis 3: 52. 1873. | BASIONYM: Yucca flaccida Haworth 1819. | |
Yucca filamentosa var. laevigata
| Yucca filamentosa Linnaeus, var. laevigata Engelmann, Trans. Acad. Sci. St. Louis 3: 52. 1873. | | TYPE: FLORIDA/SOUTH CAROLINA: |
Yucca filamentosa var. smalliana
| Yucca filamentosa Linnaeus, var. smalliana (Fernald) Ahles, J. Elisha Mitchell Sci. Soc. 80: 172. 1964. | BASIONYM: Yucca smalliana Fernald 1944. | |
Yucca flaccida
| Yucca flaccida Haworth, Suppl. Pl. Succ. 34. 1819. | | TYPE: FLORIDA: Gilchrist Co.: 2 mi. W of Ginnie Springs, 19 May 2003, Ward 10736 (neotype: FLAS; isoneotypes: FSU, FTG, GA, MO, NCU, NY, TEX, USF). Neotypified by D. B. Ward, Castanea 71: 82. 2006. |
Yucca flaccida var. smalliana
| Yucca flaccida Haworth, var. smalliana (Fernald) D. B. Ward, Novon 14: 366. 2004. | BASIONYM: Yucca smalliana Fernald 1944. | |
Yucca smalliana
| Yucca smalliana Fernald, Rhodora 46: 8. 1944. | | TYPE: FLORIDA: Duval Co.: Near Jacksonville, May, Curtiss 2950 (holotype: GH). |
Yucca arkansana subsp. freemanii
| Yucca arkansana Trelease, subsp. freemanii (Shinners) Hochstätter, Yucca 1: 61. 2000. | BASIONYM: Yucca freemanii Shinners 1951. | |
Yucca arkansana subsp. louisianensis
| Yucca arkansana Trelease, subsp. louisianensis (Trelease) Hochstätter, Succulenta (Netherlands) 78: 122. 1999. | BASIONYM: Yucca louisianensis Trelease 1902. | |
Yucca concava
| Yucca concava Haworth, Suppl. Pl. Succ. 34. 1819. | | |
Yucca concava var. longifolia
| Yucca concava Haworth, var. longifolia B. W. Williams, Choice Stove Orn.-Leav. Pl., ed. 2. 333. 1876. | | |
Yucca exigua
| Yucca exigua Baker, Refug. Bot. 5: t. 314. 1872. | | |
Yucca filamentosa forma concava
| Yucca filamentosa Linnaeus, forma concava (Haworth) Voss, Vilm. Blumengärtn., ed. 3. 1: 1057. 1895. | BASIONYM: Yucca concava Haworth 1819. | |
Yucca filamentosa forma glaucescens
| Yucca filamentosa Linnaeus, forma glaucescens (Haworth) Voss, Vilm. Blumengärtn., ed. 3. 1: 1057. 1895. | BASIONYM: Yucca glaucescens Haworth 1819. | |
Yucca filamentosa forma orchioides
| Yucca filamentosa Linnaeus, forma orchioides (Carrière) Voss, Vilm. Blumengärtn., ed. 3. 1: 1058. 1895. | BASIONYM: Yucca orchioides Carrière 1861. | |
Yucca filamentosa forma puberula
| Yucca filamentosa Linnaeus, forma puberula (Haworth) Voss, Vilm. Blumengärtn., ed. 3. 1: 1057. 1895. | BASIONYM: Yucca puberula Haworth 1828. | |
Yucca filamentosa subsp. concava
| Yucca filamentosa Linnaeus, subsp. concava (Haworth) Hochstätter, Kaktusblüte 2001: 11. 2001. | BASIONYM: Yucca concava Haworth 1819. | |
Yucca filamentosa var. antwerpensis
| Yucca filamentosa Linnaeus, var. antwerpensis Baker, J. Linn. Soc., Bot. 18: 228. 1880, nom. illegit. | BASIONYM: Yucca orchioides Carrière, var. major Baker 1877. | |
Yucca filamentosa var. bracteata
| Yucca filamentosa Linnaeus, var. bracteata Engelmann, Trans. Acad. Sci. St. Louis 3: 52. 1873. | | TYPE: SOUTH CAROLINA: |
Yucca filamentosa var. concava
| Yucca filamentosa Linnaeus, var. concava (Haworth) Baker, J. Linn. Soc., Bot. 18: 228. 1880, nom. illegit.. | BASIONYM: Yucca filamentosa Linnaeus, var. latifolia Engelmann 1873; Yucca concava Haworth 1819. | |
Yucca filamentosa var. elmensis
| Yucca filamentosa Linnaeus, var. elmensis Sprenger, Boll. Reale Soc. Tosc. Ortic. 1906: 132. 1906 | | |
Yucca filamentosa var. foliis-aureovariegata
| Yucca filamentosa Linnaeus, var. foliis-aureovariegata Pynaert, Nursery Cat. (Ed. Pynaert - Van Geert) 1886: 16. 1886. | | |
Yucca filamentosa var. glaucescens
| Yucca filamentosa Linnaeus, var. glaucescens (Haworth) Baker, J. Linn. Soc., Bot. 18: 228. 1880. | BASIONYM: Yucca glaucescens Haworth 1819. | |
Yucca filamentosa var. grandiflora
| Yucca filamentosa Linnaeus, var. grandiflora Baker, Refug. Bot. 5: t. 325. 1872. | | |
Yucca filamentosa var. latifolia
| Yucca filamentosa Linnaeus, var. latifolia Engelmann, Trans. Acad. Sci. St. Louis 3: 52. 1873. | BASIONYM: Yucca concava Haworth 1819. | |
Yucca filamentosa var. maxima
| Yucca filamentosa Linnaeus, var. maxima Carrière, Rev. Hort. (Paris), ser. 4. 9: 213. 1860. | | |
Yucca filamentosa var. media
| Yucca filamentosa Linnaeus, var. media Carrière, Rev. Hort. (Paris), ser. 4. 9: 213, f. 47. 1860. | | |
Yucca filamentosa var. mexicana
| Yucca filamentosa Linnaeus, var. mexicana S. Schauer, Linnaea 19: 703. 1847. | | TYPE: MEXICO: |
Yucca filamentosa var. nobilis
| Yucca filamentosa Linnaeus, var. nobilis Sprenger, Boll. Reale Soc. Tosc. Ortic. 1906: 132. 1906 | | |
Yucca filamentosa var. orchioides
| Yucca filamentosa Linnaeus, var. orchioides (Carrière) Baker, J. Linn. Soc., Bot. 18: 228. 1880. | BASIONYM: Yucca orchioides Carrière 1861. | |
Yucca filamentosa var. patens
| Yucca filamentosa Linnaeus, var. patens Carrière, Rev. Hort. (Paris), ser. 4. 9: 216. 1860. | | |
Yucca filamentosa var. puberula
| Yucca filamentosa Linnaeus, var. puberula (Haworth) Baker, J. Linn. Soc., Bot. 18: 228. 1880. | BASIONYM: Yucca puberula Haworth 1828. | |
Yucca filamentosa var. ramosa
| Yucca filamentosa Linnaeus, var. ramosa Carrière, Rev. Hort. (Paris), ser. 4. 9: 215. 1860. | | |
Yucca filamentosa var. recurvifolia
| Yucca filamentosa Linnaeus, var. recurvifolia A. W. Wood, Class-Book Bot., ed. 1861. 709. 1861. | | |
Yucca filamentosa var. variegata
| Yucca filamentosa Linnaeus, var. variegata Carrière, Rev. Hort. (Paris), ser. 4. 9: 215. 1860. | | |
Yucca flaccida forma exigua
| Yucca flaccida Haworth, forma exigua (Baker) Trelease, Rep. (Annual) Missouri Bot. Gard. 13: 51, 52. 1902. | BASIONYM: Yucca exigua Baker 1872. | |
Yucca flaccida var. glaucescens
| Yucca flaccida Haworth, var. glaucescens (Haworth) Trelease, Rep. (Annual) Missouri Bot. Gard. 13: 51. 1902. | BASIONYM: Yucca glaucescens Haworth 1819. | |
Yucca flaccida var. grandiflora
| Yucca flaccida Haworth, var. grandiflora (Baker) Trelease, Rep. (Annual) Missouri Bot. Gard. 13: 52. 1902. | BASIONYM: Yucca filamentosa Linnaeus, var. grandiflora Baker 1872. | |
Yucca flaccida var. lineata
| Yucca flaccida Haworth, var. lineata Trelease, Rep. (Annual) Missouri Bot. Gard. 13: 52. 1902. | | |
Yucca flaccida var. major
| Yucca flaccida Haworth, var. major (Baker) Rehder, J. Arnold Arbor. 1: 193. 1920. | BASIONYM: Yucca orchioides Carrière, var. major Baker 1877. | |
Yucca flaccida var. orchioides
| Yucca flaccida Haworth, forma orchioides (Carrière) Trelease, Rep. (Annual) Missouri Bot. Gard. 13: 50, 51. 1902. | BASIONYM: Yucca orchioides Carrière 1861. | |
Yucca freemanii
| Yucca freemanii Shinners, Field & Lab. 19: 168. 1951 | | TYPE: TEXAS: Bowie Co.: 2.5 mi. SW of Redwater, 6 Jul 1950, Freeman s.n. (holotype: BRIT; isotype: MO). |
Yucca glaucescens
| Yucca glaucescens Haworth, Suppl. Pl. Succ. 35. 1819. | | |
Yucca louisianensis
| Yucca louisianensis Trelease, Rep. (Annual) Missouri Bot. Gard. 13: 64, pl. 32-34. 1902. | | |
Yucca orchioides
| Yucca orchioides Carrière, Rev. Hort. 1861: 37, f. 89-90. 1861. | | |
Yucca orchioides var. major
| Yucca orchioides Carrière, var. major Baker, Bot. Mag. 103: pl. 6316. 1877. | | |
Yucca puberula
| Yucca puberula Haworth, Philos. Mag. Ann. Chem. 2: 186. 1828. | | |