The genus Astragalus (Leguminosae: Papilionoideae: Galegeae) in Mexico Author Castillón, Eduardo Estrada 0000-0003-1061-9862 Universidad Autónoma de Nuevo León, Facultad de Ciencias Forestales, A. P. 41, 67700, Linares, Nuevo León, Mexico aeduardoestradac@prodigy.net.mx Author Quintanilla, José Ángel Villarreal 0000-0001-9672-8693 Universidad Autónoma Agraria Antonio Narro, Departamento de Botánica, Saltillo, Coahuila, Mexico javillarreal00@yahoo.com Author Delgado-Salinas, Alfonso 0000-0002-9322-9968 Universidad Nacional Autónoma de México, Instituto de Biología, 21068 adelgado@ib.unam.mx Author Rebman, Jon P. 0000-0002-4150-7356 San Diego Natural History Museum, P. O. Box 121390, San Diego, California, 92112 jrebman@sdnhm.org text Phytotaxa 2023 2023-03-07 586 1 1921 1935 http://dx.doi.org/10.11646/phytotaxa.586.1.1 journal article 311624 10.11646/phytotaxa.586.1.1 3904447c-f00b-404f-8de6-1f35c066514f 1179-3163 7703999 23.2. Astragalus ervoides Hook & Arn. var. maysillesii Barneby, Mem. New York Bot. Gard. 13: 448–450. 1964 Type :— MEXICO , Durango , El Salto, S along lumber road towards Pueblo Nuevo (about 60 km air mi, SW of C. Durango), 29 August 1952 , J. H. Maysiles 7824 ( holotype : MICH 1107106 digital image!) . Keel tip frequently purple tinted ( Spellenberg 13480, NMC ). Distribution:— Southwest Chihuahua (Bocoyna, Valle de los Monjes), southern Durango (El Salto, Las Rusias, Neveros, Huizar, El Guayabo, Hacienda Coyotes and Los Banks), and isolated in southwestern Jalisco (Sierra de Manantlán) ( Fig. 7 ). Habitat:— Igneous and sandy soils; grassland in high plains; riparian areas with Cyperus spp. ; grasslands and forest; oak-conifer forests; pine forest; cold conifers associations of pine-oak-manzanita - silktassel; disturbed grasslands; pine-oak-madrone-juniper forests; disturbed conifer forest; 2390–2800 m . Specimens examined :— CHIHUAHUA. 27 August 2004 , Valle de los Monjes , ca. 5 km al SE de Creel , Mpio. Bocoyna , R. W. Spellenberg 13480 ( CFNL ) . DURANGO . 9 September 1992 , Reserva de la Biósfera la Michilia , Encina Gorda , Cerro Blanco, Mpio. Súchil, A . García 1643, J. R. Medina ( CFNL ) ; 22 July 1996 , Parque El Tecuán, al E de la entrada al parque, Mpio. Durango, A . García 2235, A. Acevedo ( CFNL ) ; 9 August 1990 , Municipio Pueblo Nuevo , Las Bayas de la UJED, bajo Los Alisos, A. García 657 ( CFNL , CIIDIR ) ; 1 October 1971 , About 25 mi. W. of City Durango on highway 40, R. W. Spellenberg 2724 ( ENCB , NY ) ; 25 July 1981 , 17 km al S de El Salto , cerca del paraje La Remuda, S . González 1763, M. González ( CIIDIR , NY ) ; 26 September 1973 , Along Mexico Highway 40, about 85.5 miles west of Durango and 116.5 miles east of Mazatlan , 12.2 miles west of Las Adjuntas and 6.3 miles east of La Ciudad , 23.7 miles west of El Salto , Sierra Madre Occidental, J. L . Reveal 3499, M. D. Atwood ( MEXU , NY ) ; 5 October 1965 , Sierra Madre 38 miles west of Durango on El Salto highway, H. D. Ripley 13965, R. C. Barneby ( CAS , NY , US ) ; 8 August 1971 , Along Mexico highway 40 at La Campana , 0.5 miles north of the highway, this road junction being 2.5 miles west of Las Adjuntas and 13.6 miles west of El Salto , near a sawmill and the small village of La Campana, Sierra Madre Occidental, J. L . Reveal 2692, W. J. Hess , R. W. Kiger ( NY , US ) ; 21 July 1969 , On eastern slopes of Sierra Madre Occidental , 20 km NE of El Salto on Mex. 40 to Durango, B. Marks 1243, C. Marks ( NY ) ; 5 October 1965 , H. D. Ripley 13998, Sierra Madre near Hacienda Coyotes, ± 5 miles east of El Salto , R.C. Barneby ( NY ) ; 9 November 1963 , Sierra Madre , 26 mi. west of Durango, H. D. Ripley 13490, R. C. Barneby ( NY ) ; 18 October 1965 , Sierra Madre 8.5 miles w. of El Salto , H. D. Ripley 14172, R. C. Barneby ( NY ) ; 16 September 1979 , 55–60 km SE of Durango City on road to La Flor, D. E . Breedlove 44136 ( MEXU , NY ) ; 17 September 1979 , Durango, 65–75 km SW of Durango City on road to La Flor, D. E . Breedlove 44195 ( MEXU , NY ) ; 29/ 30 August 1934 , Metades , north of Cueva. Sierra Madre Occidental , F. W. Rennell 18391 ( NY , US ) ; 26 July 1972 , Along Rte 40, 4.8 mi W of Los Mimbres , L. McGill , R. Brown, D. J. Pinkava 9467 ( NY ) ; 17 August 1970 , 1 miles SW of Durango, C. D. Johnson 115-70 ( MEXU , NY ) ; 19 August 1970 , 8 miles SW of El Salto , C. D. Johnson 131-70 ( NY ) ; 21 July 1975 , About 24 miles west of Durango, along highway 40, Torke 202, Dunn, Wallace ( ENCB , NY , TEX-LL ) ; 25 December 1984 , Caminos entre El Puerto del Picacho de San Campus (un paso 1.5 km distancia aérea al E de Estación Biológica “ Las Joyas ”) y “Cerro Las Chilillas” (ca. 2 km distancia aérea al NE del Cerro El Almeal). Sierra Manantlán Occidental, E. J. Judziewics , T. S. Cochrane 4958 ( NY ) ; 24 July 1958 , D. S. Correll 20123, On upper slopes of Mimbres Canyon , 26 miles west of Durango, route #40 M. C. Johnston ( NY , TEX-LL ) ; 25 August 1965 , high grassland, boulder strewn, rocky area by Hacienda Coyotes, off Mex. 4, R. Kral 25747 ( ENCB , US ) ; 15 September 1985 , El Indio, 78 km, de La Carr. Durango-Mazatlán, P . Tenorio 9736, J. Ignacio S, C. Romero de T. ( IEB , MEXU , US ) ; 10 September 1983 , Pueblo Nuevo, P . Tenorio 4330, R. Torres C. ( IEB , MEXU , US ) ; 16 July 1955 , Coyotes Hacienda , 63 road miles west —southwest of C. Durango , J. H. Maysilles 7876 ( MEXU ez ( MEXU ) . JALISCO: 25 December 1984 , Caminos entre El Puerto del Picacho de San Campus (un paso 1.5 km distancia aérea al E de Estación Biológica “ Las Joyas ”) y “Cerro Las Chilillas” (ca. 2 km distancia aérea al NE del Cerro El Almeal). Sierra Manantlán Occidental, E. J. Judziewics 4958 ( NY ) ; 27 September 1996 , Los Amoles, 10 km al SO de Las Banderitas , Tuxpan de Bolaños , J. Calónico S. 3000 ( MEXU ) .