Conjunto de Datos: ASU-Plants
Criterios de Búsqueda: Mexico; excluding cultivated/captive occurrences

Página 350, registros 34901-35000 de 37003

Arizona State University Vascular Plant Herbarium


ASU:Plants
ASU0043901B. L. Burch   1970-02-01
Mexico, Sonora, One mile east of Choya on Choya Road., 31.336547 -113.61116, 4m

ASU:Plants
ASU0043902E. Ventura A.   10321983-06-28
Mexico, Mexico, Mpio. de Texcoco. Coatlinchan., 19.45 -98.866667, 2300m

ASU:Plants
ASU0043903D.J. Pinkava   142231984-05-21
Mexico, Baja California, Rte 1, 20 mi SE of Catavina., 29.5294 -114.50294, 1028m

ASU:Plants
ASU0043904T. R. Van Devender   2005-11142005-07-23
Mexico, Sonora, Mpio. de Yecora. Yécora., 28.48333 -109.0722, 1556m

ASU:Plants
ASU0043905Richard S. Felger   85-4351985-03-04
Mexico, Sonora, Mpio. de Guaymas. Road to Cerro El Vigía, ca. 1 km north of base of mountain; vicinity of Guaymas., 27.935112 -110.913409, 248m

ASU:Plants
ASU0043906Richard S. Felger   206491973-03-09
Mexico, Sonora, 32.1 -113.8056, 335m

ASU:Plants
Plantago nivea H.B. & K.
ASU0043907Robert Bye   4458-C1973-08-01
Mexico, Chihuahua, N of Quirire, N side of Barrance de Batopilas., 27.022902 -107.744656

ASU:Plants
Plantago nivea H.B. & K.
ASU0043908Rafael Corral Diaz   108121983-07-05
Mexico, Durango, Mpio. de Canatlan. Along MEX Hwy 45 1.8 road mi N jct Hwy 39., 24.5 -104.666667, 1900m

ASU:Plants
ASU0043909Lyle McGill   94031972-07-25
Mexico, Durango, Along Rte 39, ca. 4.5 mi N of Santiago Papasquiaro., 25.1026410524912 -105.458686351776

ASU:Plants
ASU0043910Lyle McGill   9455-a1972-07-26
Mexico, Durango, Along Rte 40, 1.2 mi E of Los Mimbres., 23.9177357388404 -104.950933456421

ASU:Plants
PIantago mexicana
ASU0043911Elinor Lehto   L-218831977-07-30
Mexico, Puebla, 0.4 mi S of San Antonio Atzitzintla; ca. 6 mi NE of Esperanza. Small hills S of Pico de Orizaba., 18.857725 -97.373564, 2438m

ASU:Plants
ASU0043912Geo. B. Hinton   15531932-09-06
Mexico, Mexico, Comunidad, Temascaltepec., 19.033333 -100.05

ASU:Plants
ASU0043913Elinor Lehto   L-219751977-08-02
Mexico, Puebla, 1.2 mi W of Texmalaquila. Just SE of Pico de Orizaba (Volcan Citlaltepetl), near E base of Sierra Negras., 18.96927 -97.364084, 3048 - 3352m

ASU:Plants
ASU0043914A. L. Reina G.   98-7651998-05-29
Mexico, Sonora, 28.55 -109.2694, 650m

ASU:Plants
ASU0043915Robert A. Bye   50821973-09-15
Mexico, Chihuahua, Boundary between Creel and San Ignacio. On north side of the road., 27.73323 -107.636665

ASU:Plants
ASU0043916E. Lehto   53321968-06-10
Mexico, Coahuila, Cuatro Ciénegas Basin. Rio Cañon, 2.1 miles north of Cuatro Ciénegas northern limits, Cañón de el agua., 27.0226410348099 -102.091183662415

ASU:Plants
ASU0043917A. Ventura A.   17251976-07-04
Mexico, Distrito Federal, Parja de Cuauhte, delegación de Milpa Alta., 19.161827 -98.990137, 2650m

ASU:Plants
ASU0043918D. S. Correll   230551959-10-12
Mexico, Chihuahua, Between Nabogame and Guadalupe y Calvo., 26.090217 -106.965173, 2194m

ASU:Plants
ASU0043919D. S. Correll   200671958-07-24
Mexico, Durango, 10 miles west of Durango, route #40., 23.9859781344155 -104.750867486

ASU:Plants
ASU0043920R. Fernández N.   18641983-10-08
Mexico, Durango, Mpio. de Mezquital. 26 km al NW de La Guajolota, camino a Platanitos., 22.9533351820447 -104.529418945312, 2650m

ASU:Plants
ASU0043921T. R. Van Devender   2004-1962004-04-22
Mexico, Sonora, Mpio. de Nogales. Arroyo General Botello, Ejido La Arizona; ca. 32 km west of MEX 15 on road to Saric., 31.275 -111.1694, 1008m

ASU:Plants
ASU0043922Lyle McGill   93981972-07-25
Mexico, Durango, Along Rte 39, just N of Santiago Papasquiaro., 25.0751042569945 -105.427808761597

ASU:Plants
ASU0043923Lyle McGill   93581972-07-24
Mexico, Durango, Along Rte 39, ca. 9 mi NW of Canatlan., 24.6467051181803 -104.83630657196

ASU:Plants
ASU0043924L. McGill   83141971-08-27
Mexico, Chihuahua, Chihuahua, Mexico 3.8 mi E of Cd. Guerrero on Chihuahua 16., 28.55514 -107.492401

ASU:Plants
ASU0043925L. McGill   8305-a1971-08-27
Mexico, Chihuahua, 82.2 mi W of Chihuahua; 5.3 mi W of Pedernales on Chihuahua 16., 28.411711 -107.103203

ASU:Plants
ASU0043926Elinor Lehto   L-217521977-07-24
Mexico, Zacatecas, Ca. 10.5 mi from Concepcion del Oro on road to Mazapil., 24.63805 -101.49554, 2560m

ASU:Plants
ASU0043927Elinor Lehto   242901980-03-12
Mexico, Sinaloa, Just west of El Palmito; Rancho el Liébré., 23.5596600077305 -105.844624042511, 2133m

ASU:Plants
ASU0043928Elinor Lehto   L-218331977-07-26
Mexico, Jalisco, Ca. 1 mi S of Hwy 70, ca. 8.8 mi ESE of Tacubaya. Ca. 17.2 mi WSW of Ojuelos de Jalisco., 21.760817 -101.84763

ASU:Plants
ASU0043929Elinor Lehto   247721980-08-09
Mexico, Chihuahua, 49.7 miles NE Alamos, Sonora. 4.8 miles N Chinacas., 27.233248 -108.650072

ASU:Plants
ASU0043932Elinor Lehto   L-219941977-08-02
Mexico, Veracruz, Mex 150-D, 0.4 mi E of Puebla-Vera Cruz state line., 18.83333 -97.26667, 2255m

ASU:Plants
ASU0044549Richard S. Felger   85-6411985-03-13
Mexico, Sonora, Mpio. de Guaymas. Road to Bahía San Carlos (Son Hwy 17) at 3 km west of MEX Hwy 15; ca. 1 km north of Estero Soldado., 27.973582 -110.982197, 8m

ASU:Plants
ASU0044550Marc A. Baker   140362001-04-25
Mexico, Baja California, Venustiano Carranza 1:50,000 topographic map; IIR 05 93 530mE 33 67 900mN. Volcán Sureste, 12km SW of Lázaro Cárdenas., 30.520742 -115.927466, 80m

ASU:Plants
ASU0044551Richard S. Felger   177671968-04-18
Mexico, Sonora, Mpio. de Pitiquito. 6.5 miles by road (to Pozo Coyote) northeast of EI Desemboque San Ignacio., 29.56667 -112.3667

ASU:Plants
ASU0044552T. R. Van Devender   2005-3812005-03-18
Mexico, Sonora, Mpio. de Yecora. Curea., 28.41667 -109.3833, 490m

ASU:Plants
ASU0044553T. R. Van Devender   2003-3462003-04-09
Mexico, Sonora, Mpio. de Naco. 9.8 km on MEX 2 east-northeast of Naco road., 31.33056 -109.8778, 1437m

ASU:Plants
Plantago purshii Roemer & J.A. Schultes
ASU0044554Lyle McGill   64471970-03-28
Mexico, Sonora, 2.8 mi E of jct Rd from Esqueda & road from Bacoachi to Cananea., 30.63697 -109.579286, 1364m

ASU:Plants
ASU0044555Jon Rebman   32501996-06-25
Mexico, Baja California, Sierra San Pedro Martin Vallecitos area: 1.7 miles north of turn to La Tasajera and 2.2 miles southeast of Observatory Road., 31.13333 -115.4583, 2380m

ASU:Plants
ASU0044556L. McGill   65981970-06-04
Mexico, Sonora, Rte 15, 18.7 mi N of Imuris., 31.045059 -110.867661, 1119m

ASU:Plants
ASU0044557E. Lehto   57421968-06-16
Mexico, Coahuila, Cuatro Ciénegas Basin. Mt. Anteojo., 26.9859914618143 -102.16160774231

ASU:Plants
ASU0044558Lewis   5862-a1969-04-03
Mexico, Coahuila, Cuatro Ciénegas Basin. Puerto Salada near Rancho Los Corralos., 27.0050920257948 -101.866929531097

ASU:Plants
ASU0044559Reid Moran   288341980-06-14
Mexico, Baja California, 2 km SW of La Misión de San Miguel., 32.08333 -116.8792, 20m

ASU:Plants
ASU0044560M. E. Ordorica V.   1201976-11-14
Mexico, Mexico, La Joya de Alcalican, ladera SO del Ixtlaccíhuatl, Mpio. de Amecameca., 19.116667 -98.766667, 3900m

ASU:Plants
ASU0043941T. Reeves   L-186491975-05-27
Mexico, Sonora, Between Nuri and Yécora., 28.412509 -109.128858, 792m

ASU:Plants
Platanus racemosa Nutt. ex Audubon
ASU0043942Reid Moran   266531979-03-11
Mexico, Baja California, Cañon Sto. Tomás 2 km east of El Pozo., 31.57083 -116.4917, 110m

ASU:Plants
Platanus racemosa Nutt. ex Audubon
ASU0043943Reid Moran   195381973-01-20
Mexico, Baja California, San Miguel, Arroyo Santo Domingo., 30.75 -115.8833, 100m

ASU:Plants
Platanus occidentalis var. palmeri (Kuntze) K.Nixon & J.Poole ex Geerinck
ASU0043945D. J. Pinkava   104521973-03-20
Mexico, Coahuila, Ca. 17 mi W of jct road from Cuatro Ciénegas to Ocampo and road to Dolores; at site of abandoned log- cutter`s camp., 27.149348 -102.232663

ASU:Plants
Platanus occidentalis var. palmeri (Kuntze) K.Nixon & J.Poole ex Geerinck
ASU0043946Elena T. Arnold   221968-08-08
Mexico, Coahuila, Cuatro Ciénegas Basin. Potrero, center of Sierra Menchaca north of Puerto Salado., 27.1667715842391 -101.923170089722

ASU:Plants
ASU0043948Robert A. Bye   33871973-02-26
Mexico, Chihuahua, Sierra Madre Occidental. Huimivo (Barranca Batopilas), above La Bufa; along the arroyo Samachique., 27.333333 -107.583333

ASU:Plants
ASU0043951Ted Thorsted   121972-06-01
Mexico, Baja California, Bahia de San Quintin- Santa Maria Plain., 30.433333 -115.933333

ASU:Plants
Limonium limbatum var. limbatum
ASU0043952Cole   43391967-08-21
Mexico, Coahuila, Cuatro Ciénegas Basin. Puente Chiquito., 26.703022 -101.897401

ASU:Plants
Limonium limbatum var. limbatum
ASU0043953E. Lehto   57211968-06-14
Mexico, Coahuila, Cuatro Ciénegas Basin. Road to Laguna Escobeda., 26.703022 -101.897401

ASU:Plants
Limonium limbatum var. limbatum
ASU0043954Cole   39681967-08-15
Mexico, Coahuila, Cuatro Ciénegas Basin. El Garabatal Poso; ca. 8 miles southwest of Cuatro Ciénegas., 26.703022 -101.897401

ASU:Plants
ASU0043955F. Chávez   601984-08-18
Mexico, Durango, Cerro del Tecomacán, Oriente de Vincente Guerrero, por la carretera a Fresnillo., 23.75 -103.983333

ASU:Plants
ASU0043956A. Ventura A.   3971975-10-14
Mexico, Hidalgo, Mpio. de Tepeapulco. Terrenos de Tepeapulco., 19.792549 -98.550453, 2550m

ASU:Plants
ASU0043957A. Ventura A.   3971975-10-14
Mexico, Hidalgo, Mpio. de Tepeapulco. Terrenos de Tepeapulco., 19.792549 -98.550453, 2550m

ASU:Plants
ASU0043958L. R. Landrum   54081987-02-21
Mexico, Sonora, Road from Hermosillo to Sahuaripa, 3.8 mi E of Rio Yaqai., 29.118982 -109.152815, 914m

ASU:Plants
ASU0043959T. R. Van Devender   93-10401993-09-23
Mexico, Sonora, Rio Mayo Region. El Rincon Viejo, Arroyo El Aguaje, ca. 3.4 km (by air) north of Alamos, Sierra de Alamos., 27.20278 -108.9333, 480 - 520m

ASU:Plants
ASU0043960T. R. Van Devender   92-381992-01-28
Mexico, Sonora, Álamos, Guirocoba crossing of Rio Cuchujaqui, 10 km east-southeast (by air) of Alamos., 26.941944 -108.8875, 280m

ASU:Plants
ASU0043949O. F. Clarke   1967-07-26
Mexico, San Luis Potosi, Collected at base of El Salto Falls., 22.585873 -99.38285

ASU:Plants
ASU0043947F. García S.   40452003-03-21
Mexico, San Luis Potosi, Mpio. de San Nicolás Tolentino. Barranca de San Joaquín, 5 km al sur de San Nicolás Tolentino, sobre el camino de terracería que va al poblado de El Pinal., 22.226334 -100.554654, 1585m

ASU:Plants
Psacalium decompositum (A. Gray) H.E. Robins. & Brett.
ASU0029186David Keil   133701979-09-04
Mexico, Chihuahua, SW of Nuevo Casas Grandes in Sierra Madre Occidental. 2-3 miles N of Colonia Garcia along road from Colonia Pacheco., 29.97084 -108.344498, 2011m

ASU:Plants
Psacalium globosum (Rob. & Fern.) H.Rob. & Brettell
ASU0029187Lyle McGill   95051972-07-26
Mexico, Durango, Along Rte 40, NE edge of town (Cuidad)., 23.7319901585792 -105.669711828232

ASU:Plants
Psacalium napellifolium (S.Schauer) H.Rob. & Brettell
ASU0029188C. G. Pringle   100242005-08-24
Mexico, Hidalgo, Prairies, Marques Station., 2438m

ASU:Plants
Psacalium pachyphyllum (Sch.Bip.) H.Rob. & Brettell
ASU0029190T. F. Daniel   40301985-03-14
Mexico, Sinaloa, Ca. 1 mi N of Hwy 40 between Villa Union and Cd. Durango and ca. 5 mi W of Durango state border., 23.5821004818154 -105.859665870667, 2316m

ASU:Plants
Psacalium pachyphyllum (Sch.Bip.) H.Rob. & Brettell
ASU0029191Elinor Lehto   243341980-03-12
Mexico, Sinaloa, Just west of El Palmito, Rancho el Liebre., 23.5596600077305 -105.844624042511, 2133m

ASU:Plants
Psacalium pachyphyllum (Sch.Bip.) H.Rob. & Brettell
ASU0029192R. Fernandez N.   11691982-09-21
Mexico, Durango, Mpio. de Mezquital. 15 km al NE de Charcos., 22.9533351820447 -104.529418945312, 2600m

ASU:Plants
Psacalium sinuatum (Cerv.) H.Rob. & Brettell
ASU0029193D. J. Pinkava   9455-B1972-07-26
Mexico, Durango, Along Rte 40, 1.2 mi E of Los Mimbres, 23.9177357388404 -104.950933456421

ASU:Plants
Psacalium sinuatum (Cerv.) H.Rob. & Brettell
ASU0029194F. Ventura A.   155031980-09-11
Mexico, Oaxaca, Mpio. de San Lorenzo de Albarraz., 16.918219 -96.254494, 2000m

ASU:Plants
Psacalium sinuatum (Cerv.) H.Rob. & Brettell
ASU0029195D. J. Pinkava   9455-B1972-07-26
Mexico, Durango, Along Rte 40, 1.2 mi E of Los Mimbres., 23.9177357388404 -104.950933456421

ASU:Plants
Psacalium sinuatum (Cerv.) H.Rob. & Brettell
ASU0029196D. J. Crawford   14341980-10-03
Mexico, Durango, 10 miles E of El Salto on Rte 40., 23.8540495431457 -105.258142948151, 2390m

ASU:Plants
Psacalium sinuatum (Cerv.) H.Rob. & Brettell
ASU0029197Lyle McGill   94171972-07-26
Mexico, Durango, Along Rte 40, ca. 10 mi E of Los Mimbres and 2 mi S of Rio Chico., 23.9300534152193 -104.852485656738

ASU:Plants
Psacalium silphiifolium (B.L.Rob. & Greenm.) H.Rob. & Brettell
ASU0029198Rzedowski   285171971-08-17
Mexico, Mexico, 22 km al NE de Texcoco, sobre la carretera a Calpulalpan., 19.561005 -98.716822, 2900m

ASU:Plants
ASU0029199Lyle McGill   95931972-07-29
Mexico, Durango, Along Rte 40, 36.9 mi WSW of Durango., 23.8708226928435 -105.186490416527

ASU:Plants
Psathyrotes ramosissima (Torr.) A. Gray
ASU0029200D. J. Pinkava   141211984-05-16
Mexico, Baja California, Rte 5.3 mi S of La Ventana., 31.74059 -115.068899

ASU:Plants
Psathyrotes ramosissima (Torr.) A. Gray
ASU0029201T. F. Daniel   15431981-05-23
Mexico, Baja California, Along Hwy 5, 5.9 mi S of La Ventana., 31.74059 -115.068899, 80m

ASU:Plants
Psathyrotes ramosissima (Torr.) A. Gray
ASU0029202Tom Lutz   1970-04-11
Mexico, Sonora, Ca. 3 miles North of Pinacata lava fields, 31.77 -113.49

ASU:Plants
ASU0029203Guy Nesom   76481993-09-19
Mexico, Coahuila, Mpio. de Parras. S side of Sierra Parras along road toward Menchaca, ca. 14 air km S of Parras, just N of Sierra Prieta., 25.3 -102.2167, 1330m

ASU:Plants
ASU0029205Wm. Brown   1966-04-04
Mexico, Coahuila, Cuatro Ciénegas Basin., 26.703022 -101.897401

ASU:Plants
ASU0029206Donald J. Pinkava   50661968-06-08
Mexico, Coahuila, Cuatro Ciénegas Basin. Along Cuatro Ciénegas highway south of town between Pozo de la Becerra Canal and turnoff to Laguna Salada., 26.8817512609493 -102.148067951202

ASU:Plants
ASU0029207Donald J. Pinkava   P-50051968-06-08
Mexico, Coahuila, Cuatro Ciénegas Basin. Rio Mesquites, 0.5 miles east of Cuatro Ciénegas highway south., 26.703022 -101.897401

ASU:Plants
ASU0029210Elinor Lehto   242401980-03-09
Mexico, Nayarit, La Bahada, SE San Blas., 21.504161 -105.158201

ASU:Plants
ASU0029211Pinkava   P-128401975-03-17
Mexico, Nayarit, San Blas, coconut grove, ca. 2 km from beach., 21.516667 -105.266667

ASU:Plants
Pseudognaphalium luteoalbum (L.) Hilliard & B. L. Burtt
ASU0029212T. R. Van Devender   2004-5592004-05-26
Mexico, Sonora, Mpio. de Yecora. Yecora., 28.48333 -109.0722, 1556m

ASU:Plants
Pseudogynoxys cummingii (Benth. ex Oerst.) H.Rob. & Cuatrec.
ASU0029213Ronald L. McGregor   163111961-02-10
Mexico, San Luis Potosi, 10 miles north of Ciudad Valles., 21.981026 -99.000188

ASU:Plants
ASU0029217Guy Nesom   6151977-08-06
Mexico, Durango, 20 mi WSW of Durango on Hwy 40., 23.9427621425245 -104.852979183197

ASU:Plants
ASU0029218E. Lehto   L-195101975-11-25
Mexico, Sonora, Between Navajoa and Los Moches., 26.52725 -109.178374, 39m

ASU:Plants
Psilactis brevilingulata Schultz-Bip. ex Hemsl.
ASU0029219D. S. Correll   228321959-10-04
Mexico, Chihuahua, In open grassland about 5 miles north of Villa Matamoros., 26.758459 -105.582298

ASU:Plants
Psilactis brevilingulata Schultz-Bip. ex Hemsl.
ASU0029220G. B. Hinton   186241983-01-16
Mexico, Nuevo Leon, Mpio. de Galeana. Above El Carrizo., 24.8198086565821 -100.073690414429, 1950m

ASU:Plants
Psilactis brevilingulata Schultz-Bip. ex Hemsl.
ASU0029221F. Chiang   88511972-08-25
Mexico, Chihuahua, At Papalote Las Juntas (Preson de Anteojos), 2 km NW of Hacienda El Berrendo, on Las Pamoas ranoh., 27.35 -104.6667, 1450m

ASU:Plants
Psilactis brevilingulata Schultz-Bip. ex Hemsl.
ASU0029222Pinkava   93841972-07-25
Mexico, Durango, Along Rte 39, 10.4 mi SE of Santiago Papasquiaro., 25.1625320797114 -105.521063804626

ASU:Plants
Psilactis gentryi (Standl.) D. Morgan
ASU0029223Rzedowski   203171965-08-01
Mexico, Mexico, Cerca de Tepotzotlán., 19.716665 -99.219808, 2250m

ASU:Plants
Psilactis gentryi (Standl.) D. Morgan
ASU0029224A. Ventura A.   2331975-09-05
Mexico, Hidalgo, Mpio. de Tepeapulco. Laguna de San Vicente., 19.792549 -98.550453, 2450m

ASU:Plants
Psilactis gentryi (Standl.) D. Morgan
ASU0029225David Keil   133891979-09-04
Mexico, Chihuahua, SW of Nuevo Casas Grandes in Sierra Madre Occidental. Just N of Colonia Garcia along road from Colonia Pacheco., 29.97084 -108.344498, 2042m

ASU:Plants
ASU0029226M. C. Johnston   115591973-07-02
Mexico, Zacatecas, Sierra del Astillero, approached from southeast, from Tanque El Alto., 24.56667 -101.15, 2500 - 3195m

ASU:Plants
ASU0029227Reid Moran   161141969-06-14
Mexico, Baja California, Large pond 1 mile east of Tijuana Airport tower., 32.54167 -116.9667, 150m

ASU:Plants
ASU0029228Jon P. Rebman   26971994-05-09
Mexico, Baja California, Rancho las Chichihuas, Along MEX Rte 1 (libre) between Ensenada and La Misión., 32 -116.7667

ASU:Plants
ASU0029229Reid Moran   228761976-04-25
Mexico, Baja California, Arroyo Santo Tomas 10 km from the mouth., 31.56667 -116.5667, 25m

ASU:Plants
Psilostrophe cooperi (A. Gray) Greene
ASU0027485A. L. Reina G.   2005-8072005-05-06
Mexico, Sonora, Mpio. de Altar. Chula Vista, ca. 35 km (by air) west of El Sasabe., 30.56389 -111.9667, 860m

ASU:Plants
Psilostrophe cooperi (A. Gray) Greene
ASU0027486Reid Moran   199681973-02-09
Mexico, Baja California Sur, One in Arroyo de las Casitas 4 miles above the mouth., 27.53333 -114.6, 200m

ASU:Plants
Psilostrophe cooperi (A. Gray) Greene
ASU0027487D. E. Breedlove   625871986-03-06
Mexico, Baja California Sur, 5 miles south of Puerto Nuevo, Sierra de Placeros., 27.478783 -114.59955, 244m


Página 350, registros 34901-35000 de 37003


Google Map

Google Maps es un servicio de mapeo web proporcionado por Google que presenta un mapa que los usuarios pueden mover (sosteniendo el botón del ratón) y acercar y alejar (usando la rueda del ratón). Los puntos de colecciones son mostrados como marcadores coloreados que muestran la información completa de la colección cuando se hace click en ellos. Cuando se consultan varias especies (separadas por punto y coma), marcadores coloreados diferentes denotan cada especie individual.

Google Earth (KML)

Esto crea un archivo KML que puede abrirse en la aplicación de mapeo Google Earth. Note que se debe de tener instalado Google Earth en su computadora para hacer uso de esta opción.