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CCDB → Angiosperms → Cactaceae → Echinocereus → Echinocereus nicholii (L. D. Benson) B. D. Parfitt
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Echinocereus nicholii (L. D. Benson) B. D. Parfitt | Echinocereus nicholii (L. D. Benson) B. D. Parfitt | 11 | IPCN online | Pinkava, D. J., B. D. Parfitt, M. A. Baker & R. D. Worthington. 1992. Chromosome numbers in some cacti of western North America---VI, with nomenclatural changes. Madroño 39(2): 98–113. | ||
| ! | Echinocereus nicholii (L. D. Benson) B. D. Parfitt | Echinocereus nicholii (L. D. Benson) B. D. Parfitt | 22 | IPCN online | Cota, J. H. & C. T. Philbrick. 1994. Chromosome number variation and polyploidy in the genus Echinocereus (Cactaceae). Amer. J. Bot. 81(8): 1054–1062. | ||
| ! | Echinocereus nicholii (L. D. Benson) B. D. Parfitt | Echinocereus nicholii (L. D. Benson) B. D. Parfitt | 11II | IPCN online | Pinkava, D. J., M. A. Baker, R. A. Johnson, N. Trushell, G. A. Ruffner, R. S. Felger & R. K. V. Devender. 1992. Additions, notes and chromosome numbers for the flora of vascular plants of Organ Pipe Cactus National Monument, Arizona. J. Arizona-Nevada Acad. Sci. 24–25: 13–18. | ||
| ! | Echinocereus nicholii (L. D. Benson) B. D. Parfitt | Echinocereus nicholii (L. D. Benson) B. D. Parfitt | 22 | IPCN online | Cota, J. H. & R. S. Wallace. 1995. Karyotypic studies in the genus Echinocereus (Cactaceae) and their taxonomic significance. Caryologia 48(2): 105–122. | ||
| ! | Echinocereus nicholii (L. D. Benson) B. D. Parfitt | Echinocereus nicholii (L. D. Benson) B. D. Parfitt | 22 | eFlora |