| High proportion of cactus species threatened with extinction B Goettsch, C Hilton-Taylor, G Cruz-Piñón, JP Duffy, A Frances, ... Nature plants 1 (10), 1-7, 2015 | 351 | 2015 |
| Molecular systematics of the Cactaceae RT Bárcenas, C Yesson, JA Hawkins Cladistics 27 (5), 470-489, 2011 | 183 | 2011 |
| Endangered cacti in the Chihuahuan Desert: I. Distribution patterns HM Hernandez, RT Barcenas Conservation Biology, 1176-1188, 1995 | 159 | 1995 |
| Endangered cacti in the Chihuahuan Desert: II. Biogeography and conservation HM Hernández, RT Bárcenas Conservation Biology 10 (4), 1200-1209, 1996 | 141 | 1996 |
| Diversity, spatial arrangement, and endemism of Cactaceae in the Huizache area, a hot-spot in the Chihuahuan Desert HM Hernández, C Gómez-Hinostrosa, RT Bárcenas Biodiversity & Conservation 10, 1097-1112, 2001 | 121 | 2001 |
| DNA barcodes for Mexican Cactaceae, plants under pressure from wild collecting C Yesson, RT Barcenas, HM Hernandez, M De La LUZ RUIZ‐MAQUEDA, ... Molecular ecology resources 11 (5), 775-783, 2011 | 43 | 2011 |
| A molecular phylogenetic approach to the systematics of Cylindropuntieae (Opuntioideae, Cactaceae) RT Bárcenas Cladistics 32 (4), 351-359, 2016 | 27 | 2016 |
| Comercio de cactáceas mexicanas y perspectivas para su conservación RT Bárcenas Biodiversitas 68 (5), 11-15, 2006 | 26 | 2006 |
| Patrones de distribución de cactáceas en el estado de Guanajuato RT Barcenas Luna Universidad Nacional Autónoma de México, 1999 | 26 | 1999 |
| Chihuahuan Desert Cacti in Mexico: an assessment of trade, management, and conservation priorities RT Bárcenas Prickly trade: trade and conservation of Chihuahuan Desert cacti, 1-65, 2003 | 22 | 2003 |
| Multiple diversity measures to identify complementary conservation areas for the Baja California peninsular cacti A Prado, JA Hawkins, C Yesson, RT Bárcenas Biological Conservation 143 (6), 1510-1520, 2010 | 21 | 2010 |
| A checklist of the subfamily Opuntioideae (Cactaceae) from North and Central America HM Hernández, C Gómez-Hinostrosa, RT Bárcenas, R Puente, ... Succulent Plant Research 8, 185-200, 2014 | 20 | 2014 |
| Characterization of microsatellite loci for the critically endangered cactus Ariocarpus bravoanus SL Hughes, VM Rodriguez, BD Hardesty, RT BÁRCENAS LUNA, ... Molecular Ecology Resources 8 (5), 1068-1070, 2008 | 20 | 2008 |
| Splitting Echinocactus: morphological and molecular evidence support the recognition of Homalocephala as a distinct genus in the Cacteae MD Vargas-Luna, P Hernández-Ledesma, LC Majure PhytoKeys, 31, 2018 | 19 | 2018 |
| Flora vascular del municipio de Guadalcázar y zonas adyacentes, San Luis Potosí, México R Torres-Colín, JG Parra, LA De la Cruz, MP Ramírez, ... Revista mexicana de biodiversidad 88 (3), 524-554, 2017 | 18 | 2017 |
| Studies on Mexican Cactaceae. II. Opuntia megarrhiza, a poorly known endemic from San Luis Potosí, Mexico HM Hernández, C Gómez-Hinostrosa, RT Bárcenas Brittonia 53, 528-533, 2001 | 12 | 2001 |
| Studies on Mexican Cactaceae. I. Opuntia pachyrrhiza, a new species from the Chihuahuan Desert, Mexico HM Hernández, C Gómez-Hinostrosa, RT Bárcenas Novon, 309-314, 2001 | 12 | 2001 |
| Studies on Mexican Cactaceae. III. A new hybrid in the genus Opuntia HM Hernández, C Gómez-Hinostrosa, R Bárcenas Haseltonia, 62-68, 2002 | 10 | 2002 |
| Comercio Espinoso CS Robbins, RTB Luna, T Norteamérica, FM para la Naturaleza TRAFFIC Norteamérica. Fondo Mundial para la Naturaleza. Washington, DC. USA, 2003 | 9 | 2003 |
| Filarial infections in California sea lions vary spatially within the Gulf of California, Mexico M Farriols, F Arellano-Carbajal, FR Elorriaga-Verplancken, ... Parasitology research 119, 1281-1290, 2020 | 8 | 2020 |
