| Flora of Colorado J Ackerfield (No Title), 2015 | 129 | 2015 |
| A morphometric analysis of Hedera L.(the ivy genus, Araliaceae) and its taxonomic implications J Ackerfield, J Wen Adansonia 24 (2), 197-212, 2002 | 79 | 2002 |
| Evolution of Hedera (the Ivy Genus, Araliaceae): Insights from Chloroplast DNA Data J Ackerfield, J Wen International Journal of Plant Sciences 164 (4), 593-602, 2003 | 69 | 2003 |
| A prickly puzzle: Generic delimitations in the CarduusCirsium group (Compositae: Cardueae: Carduinae) J Ackerfield, A Susanna, V Funk, D Kelch, DS Park, AH Thornhill, B Yildiz, ... Taxon 69 (4), 715-738, 2020 | 29 | 2020 |
| Trichome morphology in Hedera (Araliaceae) J Ackerfield Edinburgh Journal of Botany 58 (2), 259-267, 2001 | 28 | 2001 |
| Thistle be a mess: Untangling the taxonomy of Cirsium (Cardueae: Compositae) in North America JR Ackerfield, DJ Keil, WC Hodgson, MP Simmons, SD Fehlberg, ... Journal of Systematics and Evolution 58 (6), 881-912, 2020 | 17 | 2020 |
| Diversification and Biogeography of North American Thistles (Cirsium: Carduoideae: Compositae): Drivers of a Rapid Continent-Wide Radiation CM Siniscalchi, JR Ackerfield, RA Folk International Journal of Plant Sciences 184 (5), 322-341, 2023 | 4 | 2023 |
| African Mountain Thistles: Three New Genera in the Carduus-Cirsium Group LD Moreyra, N Garcia-Jacas, C Roquet, JR Ackerfield, T Arabacı, ... Plants 12 (17), 3083, 2023 | 3 | 2023 |
| The genus Abronia (Nyctaginaceae) in Colorado, with notes on Abronia bolackii in New Mexico J Ackerfield, WF Jennings Journal of the Botanical Research Institute of Texas, 419-423, 2008 | 3 | 2008 |
| Denver Botanic Gardens Rare Plant Symposium Updates J Neale, J Ackerfield Colorado State University. Libraries, 2023 | | 2023 |
| Cirsium tukuhnikivatzicum, a New Species of Thistle Endemic to the La Sal Mountains of Utah JR Ackerfield Systematic Botany 48 (2), 354-362, 2023 | | 2023 |
| African mountain thistles: generic delimitation problems analyzed with NGS LD Moreyra, JR Ackerfield, C Blanco-Gavaldà, C Brochmann, JA Calleja, ... | | 2022 |
| Conservation Genetics and Phylogeography of a Disjunct Prairie Plant: Clematis Fremontii (Ranunculaceae) A Krakowiak Colorado State University, 2022 | | 2022 |
| A Prickly Puzzle: Evolution of the Carduus-Cirsium Group (Cardueae: Compositae), and Untangling the Taxonomy of Cirsium in North America JR Ackerfield Colorado State University, 2020 | | 2020 |
| Prickly puzzle, A: phylogeny and evolution of the Carduus-Cirsium group (Cardueae: Compositae), and untangling the taxonomy of Cirsium in North America JR Ackerfield 2020-CSU Theses and Dissertations, 2020 | | 2020 |
| Flora of Colorado. 2015. Jennifer Ackerfield W Fertig Systematic Botany 40 (4), 1159-1160, 2016 | | 2016 |
| Aquilegia, Vol. 38 No. 2, Summer 2014, Newsletter of the Colorado Native Plant Society JL Turner, R Pudim, B Kuhn, E Cooper, G Glenn, J Ackerfield, DC Wilson, ... | | 2014 |
| Aquilegia, Vol. 37 No. 5, Fall 2013, Newsletter of the Colorado Native Plant Society JL Turner, M Price, N Waser, D Blumstein, D Inouye, BÃÂ Castro-Escobar, ... | | 2013 |
| REGION 2 SENSITIVE SPECIES EVALUATION FORM JR Ackerfield, D Anderson, WA Weber, RC Wittman | | 2002 |
| Analyse morphologique du genre Hedera L.(les lierres, Araliaceae) et implications taxonomiques J Ackerfield, J Wen Adansonia (France) 24 (2), 2002 | | 2002 |
Jun WenDepartment of Botany, National Museum of Natural History, Smithsonian Institution在 si.edu 的电子邮件经过验证
