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

Página 204, registros 20301-20400 de 20890

Arizona State University Lichen Herbarium


ASU:Lichens
Buellia tesserata Körb.
C. Scheidegger   170-1891989-01-07
Mexico, Baja California, along rte 1, 31 km W of San Ignacio on NE slope of cerro at junction of road to Punta Abreojos, 27.3333333 -113.1166667, 180m

ASU:Lichens
Buellia tesserata Körb.
C. Scheidegger   40-591989-01-02
Mexico, Baja California, Punta Santo Tomás, 31.5583333 -116.7, 50m

ASU:Lichens
Buellia tesserata Körb.
C.M. Wetmore   702251992-03-20
Mexico, Baja California Sur, 7.7 km along dirt road to San Juanico from junction at paved road (10 km WSW of San Isidro), 26.1583333 -112.1833333, 220m

ASU:Lichens
Buellia tesserata Körb.
C. Scheidegger   60-701989-01-03
Mexico, Baja California, along rte 1, 2 km S of Colonet, 31.0666667 -116.2166667, 50m

ASU:Lichens
Buellia tesserata Körb.
C.M. Wetmore   721671993-02-18
Mexico, Baja California Sur, Isla Santa Margarita, 24.4 -111.7166667, 500m

ASU:Lichens
Buellia tesserata Körb.
R. Moberg   103771993-02-19
Mexico, Baja California Sur, Isla Santa Margarita, canyon inland the camp, 24.4 -111.7166667, 50m

ASU:Lichens
Buellia tesserata Körb.
C. Scheidegger   120-1251989-01-05
Mexico, Baja California, 10 km N of El Rosario in Canon del Rosario, 30.1333333 -115.7666667, 90m

ASU:Lichens
Buellia tesserata Körb.
C. Scheidegger   160-1651989-01-07
Mexico, Baja California, between Laguna Manuela and Punta Santo Domingo, 28.2333333 -114.1, 25m

ASU:Lichens
Buellia tesserata Körb.
C.M. Wetmore   702351992-03-20
Mexico, Baja California Sur, 7.7 km along dirt road to San Juanico from junction at paved road (10 km WSW of San Isidro), 26.1583333 -112.1833333, 220m

ASU:Lichens
Collema furfuraceum (Arnold) Du Rietz
W.A. Weber   L--430991966-04-22
Mexico, Baja California, side canyon 4 mi. from Agua Caliente de San Carlos, E of Maneadores, vic. Ensenada, 31.8166667 -116.4333333, 120m

ASU:Lichens
Rinodina (Ach.) Gray
G. Arsène Brouard   44471910-03-03
Mexico, Michoacán, Rincón, Morelia, 2000m

ASU:Lichens
Dimelaena oreina (Ach.) Norman
J. Hafellner   371201994-07-16
Mexico, Chihuahua, Sierra Madre Occidental, mountain chains W of Nuevo Casas Grandes, hills ca. 15 km SW of Janos, 30.6986111 -108.4430556, 1500m

ASU:Lichens
Buellia dispersa A. Massal.
C. Scheidegger   160-1651989-01-07
Mexico, Baja California, between Laguna Manuela and Punta Santo Domingo, 28.2333333 -114.1, 25m

ASU:Lichens
Buellia dispersa A. Massal.
C.M. Wetmore   720771993-02-17
Mexico, Baja California Sur, 62 km WNW of La Paz, 24.2 -110.9666667, 300m

ASU:Lichens
Buellia dispersa A. Massal.
R. Moberg   86461989-01-04
Mexico, Baja California, Cerro Kenton between Bahía Falsa and Bahía San Quintín, 30.4666667 -116, 50m

ASU:Lichens
Buellia dispersa A. Massal.
R. Moberg   88061989-01-06
Mexico, Baja California, mountain slope 3 km WNW of Laguna Chapala, border of the Lower Colorado Valley, 29.45 -114.4166667, 780m

ASU:Lichens
Buellia dispersa A. Massal.
R. Moberg   101791993-02-09
Mexico, Sonora, 7 km W of Huasabas (km-post 204), 29.9166667 -109.3833333, 760m

ASU:Lichens
Buellia dispersa A. Massal.
C. Scheidegger   128-1331989-01-05
Mexico, Baja California, 23 km E of El Rosario along Rte 1

ASU:Lichens
Buellia dispersa A. Massal.
R. Moberg   89021989-01-09
Mexico, Baja California, along rte 1, 31 km W of San Ignacio on NE slope of Cerro at junction of road to Punta Abreojos, 27.3333333 -113.1166667, 200m

ASU:Lichens
Buellia dispersa A. Massal.
C. Scheidegger   260-2691989-01-09
Mexico, Baja California, along rte 1, 31 km W of San Ignacio on NE slope of cerro at junction of road to Punta Abreojos, 27.3333333 -113.1166667, 180m

ASU:Lichens
Buellia dispersa A. Massal.
C. Scheidegger   120-1251989-01-05
Mexico, Baja California, 10 km N of El Rosario in Canon del Rosario, 30.1333333 -115.7666667, 90m

ASU:Lichens
Buellia amabilis B. de Lesd.
Frère Amable   41961909-07-01
Mexico, Puebla, Acatzingo, 18.9833333 -97.7833333

ASU:Lichens
Trapelia involuta (Taylor) Hertel
W.A. Weber   L--366621963-04-24
Mexico, Baja California, Guadalupe Island, canyon back of Lobster Camp, 29.0166667 -118.2833333

ASU:Lichens
Buellia dispersa A. Massal.
H.J.M. Sipman   249901989-01-07
Mexico, Baja California, at seashore 25 km N of Guerrero Negro, beteen Laguna Manuela and Punta Santo Domingo, 28.2333333 -114.1, 10m

ASU:Lichens
Buellia dispersa A. Massal.
H.J.M. Sipman   249471989-01-06
Mexico, Baja California, near km 172.5 on road from San Quintín to Parador Punta Prieta, ca. 1 km before Cataviña, 29.7166667 -114.6666667, 600m

ASU:Lichens
Buellia dispersa A. Massal.
H.J.M. Sipman   251251989-01-10
Mexico, Baja California, near km 86on road from San Quintín to Parador Punta Prieta (Route 1), near El Aguajito, 31 km E of El Rosario, 30.05 -115.4166667, 500m

ASU:Lichens
Buellia dispersa A. Massal.
H.J.M. Sipman   249641989-01-06
Mexico, Baja California, near km 225 on road from san Quintín to Parador Punta Prieta, ca. 3 km WNW of Laguna Chapala, 29.45 -114.4166667, 700m

ASU:Lichens
Buellia dispersa A. Massal.
H.J.M. Sipman   250261989-01-07
Mexico, Baja California Sur, near km 99 on road from Santa Rosalia to Guerrero Negro (Route 1), near sideroad to Punta Abreojos, 31 km W of San Ignacio, 27.3333333 -113.1166667, 200m

ASU:Lichens
C.M. Wetmore   798131998-01-09
Mexico, Baja California, Along route 1 on S side of Canada el Aguajito and 10 km ESE of bridge over Arroyo El Rosario., 30.0558333 -115.5822222, 250m

ASU:Lichens
C.M. Wetmore   791571997-12-29
Mexico, Baja California, 11 km N of El Rosario, 30.1391667 -115.7663889, 100m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   792571997-12-31
Mexico, Baja California Sur, along route 1, 0.5 km N of Vizcaino and the junction of the road to Bahia Tortugas, 27.6591667 -113.3852778, 70m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   722931993-02-22
Mexico, Baja California, 30 km S of turnoff for Bahia de Los Angeles along Hwy. 1., 28.75 -114.1166667, 170m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   722931993-02-22
Mexico, Baja California, 30 km S of turnoff for Bahia de Los Angeles along Hwy. 1., 28.75 -114.1166667, 170m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   791651997-12-29
Mexico, Baja California, 11 km N of El Rosario, 30.1391667 -115.7663889, 100m

ASU:Lichens
Xanthoria tenax L. Lindblom
M. Westberg   2521997-12-29
Mexico, Baja California, along route 1, ca. 20 km E of bridge across Arroyo El Rosario and near El Aguajito., 30.0388889 -115.5133333, 400m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   798051998-01-09
Mexico, Baja California, Along route 1 on S side of Canada El Aguajito and 10 km ESE of bridge across Arroyo El Rosario., 30.0558333 -115.5822222, 250m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   798061998-01-09
Mexico, Baja California, Along route 1 on south side of Canada El Aguajito and 10 km east of bridge over Arroyo El Rosario., 30.0558333 -115.5822222, 250m

ASU:Lichens
Xanthoria tenax L. Lindblom
M. Westberg   3031997-12-30
Mexico, Baja California, Punta Santa Rosalillita, SW of small fishing village, 28.6555556 -114.2488889, 20m

ASU:Lichens
Xanthoria tenax L. Lindblom
M. Westberg   4231998-01-04
Mexico, Baja California Sur, 2 km ESE of Rancho la Ballena at km post 8, 26.375 -112.5822222, 90m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   792651997-12-31
Mexico, Baja California Sur, Loma Buenaventura, 4 km NE of route 1 along secondary road to San Francisco de la Sierra., 27.4533333 -113.2222222, 120m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   795571998-01-05
Mexico, Baja California Sur, S of Ciudad Constitucion along road to Cancun ca 3 km SW of route 1 along road to Puerto Cancúm, 24.7127778 -111.5461111, 60m

ASU:Lichens
Xanthoria tenax L. Lindblom
M. Westberg   4381998-05-01
Mexico, Baja California Sur, South of Ciudad Constitucion along road to Cancun., 24.7127778 -111.5486111, 60m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
M. Westberg   2591997-12-29
Mexico, Baja California, Along route 1 ca. 20 km E of bridge across Arroyo El Rosario and near Aguajito, 30.0388889 -115.5133333, 400m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
M. Westberg   2741997-12-30
Mexico, Baja California, along secondary track ca. 0.5 km SW of route 1 and 13 km N of Catavina., 29.8247222 -114.8202778, 650m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
C.M. Wetmore   758221996-01-02
Mexico, Baja California, Guadalupe Isl., 29.0944444 -118.3111111, 1250m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
C.M. Wetmore   792791997-12-31
Mexico, Baja California Sur, Mesa los Crestones, 21 km ESE of route 1 along secondary road to San Francisco de la Sierra., 27.5416667 -113.0980556, 500m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
C.M. Wetmore   792111997-06-30
Mexico, Baja California, Along secondary track ca 0.5 km SW of route 1 and 13 km N of Catavina., 29.8247222 -114.8202778, 650m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
C.M. Wetmore   792131997-12-30
Mexico, Baja California, Along secondary track ca 0.5 km SW of route 1 and 13 km N of Catavina., 29.8247222 -114.8202778, 650m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
M. Westberg   3291997-12-31
Mexico, Baja California Sur, Small cliff on the NW-facing slope of Sierra Agua Verde (part of the Sierra San Francisco) above secondary road from route 1 to San Francisco de la Sierra., 27.5877778 -113.0575, 900m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
C.M. Wetmore   793281998-01-01
Mexico, Baja California Sur, N-facing cliffs below top of Sierra Agua Verde (part of the Sierra San Francisco)., 27.5905556 -113.0197222, 1200m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
F.O. Westerberg   2841997-12-30
Mexico, Baja California, along lower slopes of Cerro los Enjambres and ca. 2 km WNW of Laguna Chapala., 29.3941667 -114.3916667, 70m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
C.M. Wetmore   792181997-12-30
Mexico, Baja California, along lower slopes of Cerro los Enjambres and ca. 2 km WNW of Laguna Chapala., 29.3941667 -114.3916667, 700m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   794781998-01-04
Mexico, Baja California Sur, 2 km ESE of Rancho la Bellena at km post 8, 26.375 -112.5822222, 90m

ASU:Lichens
Xanthoria parietina (L.) Th. Fr.
T.H. Nash III   1987-02-15
Mexico, Baja California, Pacific ocean beach front area west of Cerro Kenton and Bahia de San Quintin., 30.4666667 -116.05

ASU:Lichens
Xanthoria parietina (L.) Th. Fr.
T.H. Nash III   251971987-02-15
Mexico, Baja California, SE of Cerro Kenton between Bahia Falsa & Bahia San Quintin at Cerro Kenton., 30.4666667 -116, 40m

ASU:Lichens
Xanthoria parietina (L.) Th. Fr.
C.M. Wetmore   722201993-02-20
Mexico, Baja California Sur, 3.5 Km along road to Punta Abreojos from Hwy 1, 27.25 -113.1666667, 260m

ASU:Lichens
Xanthoria parietina (L.) Th. Fr.
C.M. Wetmore   724231993-02-24
Mexico, Baja California, San Quintin, Cerro Kenton., 30.4666667 -116, 200m

ASU:Lichens
Xanthoria parietina (L.) Th. Fr.
C.M. Wetmore   724501993-02-19
Mexico, Baja California Sur, 8 km N of Ciudad Constitution., 25.1666667 -111.7166667, 50m

ASU:Lichens
Xanthoria parietina (L.) Th. Fr.
C.M. Wetmore   635591988-01-04
Mexico, Baja California, Cerro Kenton between Bahia Falsa and Bahia San Quintin., 30.4666667 -116, 100m

ASU:Lichens
C.M. Wetmore   637041989-01-05
Mexico, Baja California, 10 km N of El Rosario in Canon del Rosario, 30.1333333 -115.7666667, 90m

ASU:Lichens
R. Santesson   183691966-04-23
Mexico, Baja California, Bahia San Quintín (ca. 170 km SSE of Ensenada on Pacific Coast), 30.4666667 -116, 10m

ASU:Lichens
C.M. Wetmore   635681989-01-04
Mexico, Baja California, Cerro Kenton between Bahia Falsa and Bahia San Quintin., 30.4666667 -116, 100m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   637441988-01-05
Mexico, Baja California, 23 km E of El Rosario along Rte. 1., 30.0333333 -115.5166667, 200m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   636331988-01-04
Mexico, Baja California, Cerro Kenton between Bahia Falsa and Bahia San Quintin., 30.4666667 -116, 100m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   724341993-02-24
Mexico, Baja California, San Quintin, 30.4666667 -116, 200m

ASU:Lichens
Xanthoria tenax L. Lindblom
I.L. Wiggins   161851961-03-30
Mexico, Baja California, Rolling hills 5 km N of El Rosarito, 28.65 -114.2333333

ASU:Lichens
Xanthoria tenax L. Lindblom
R. Moberg   103871993-02-19
Mexico, Baja California Sur, 8 km N of Ciudad Constitution (km post 224), 25.1666667 -111.7166667, 50m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   721801993-02-19
Mexico, Baja California Sur, 8 km N of Ciudad Constitution., 25.1666667 -111.7166667, 50m

ASU:Lichens
Xanthoria tenax L. Lindblom
R. Moberg   102361993-01-11
Mexico, Sonora, Los Medanos, 27.15 -110.1333333, 5m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   702511992-03-21
Mexico, Baja California Sur, 27 km S of San Ignacio (2.1 km SW of El Alamo), 27.1166667 -112.95, 110m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   700811992-03-18
Mexico, Baja California Sur, 51 km southwest of San Javier along San Javier wash., 25.6083333 -111.75, 200m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   701051992-03-18
Mexico, Baja California Sur, 7 km northeast of paved road on dirt road to San Javier (28 km NNW of Ciudad Insurgentes), 25.5 -111.8333333, 100m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   639981988-01-09
Mexico, Baja California Sur, along road to Punta Eugenia, 3 km W of Rte. 1 at Vizcaino Junction, 27.65 -113.4166667, 60m

ASU:Lichens
Xanthoria tenax L. Lindblom
R. Moberg   8919c1989-01-10
Mexico, Baja California Sur, along route 1, 31 km E of El Rosario near El Aguajito., 30.05 -115.4166667, 500m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   639041988-01-07
Mexico, Baja California Sur, along route 1, 31 km W of San Ignacio at junction of road to Punta Abreojos., 27.3333333 -113.1166667, 200m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   718091993-02-11
Mexico, Sonora, Los Medanos, W of Ciudad Obregon, 27.15 -110.1333333, 5m

ASU:Lichens
C.M. Wetmore   640301988-01-10
Mexico, Baja California, Along Rte 1, 31 km E of El Rosario near El Aquajito, 30.05 -115.4166667, 500m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
C.M. Wetmore   637811988-01-06
Mexico, Baja California, 1 km N of Catavina., 29.7166667 -114.6666667, 560m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
R.S. Egan   139061989-01-06
Mexico, Baja California, 1 km N of Catavina, 29.7166667 -114.6666667, 560m

ASU:Lichens
Xanthomendoza fallax (Arnold) Søchting, Kärnefelt & S.Y. Kondr.
C.M. Wetmore   638021988-01-06
Mexico, Baja California, 3 km WNW of Laguna Capala. On mountain slope at border of Lower Colorado Valley, 29.45 -114.4166667, 780m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   722311993-02-20
Mexico, Baja California Sur, 3.5 km along road to Punta Abreojos from Hwy 1, 27.25 -113.1666667, 260m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   721371993-02-18
Mexico, Baja California Sur, Isla Santa Margarita., 24.4 -111.7166667, 500m

ASU:Lichens
Xanthoria tenax L. Lindblom
C.M. Wetmore   723451993-02-23
Mexico, Baja California, 10 km S of bridge over El Rosario wash., 30.05 -115.5833333, 230m

ASU:Lichens
T.H. Nash III   141011976-06-20
Mexico, San Luis Potosi, Huitzache Junction, 22.9166667 -100.45, 1442m

ASU:Lichens
C.M. Wetmore   636521988-01-04
Mexico, Baja California, along pacific Ocean NW of Bahia Falsa & W of San Quintín, 30.4666667 -116.0333333, 15m

ASU:Lichens
R.S. Egan   137101988-01-02
Mexico, Baja California, Punta Santo Tomás, 31.55 -116.7, 50m

ASU:Lichens
C.M. Wetmore   724431993-02-24
Mexico, Baja California, San Quintin, Cerro Kenton, 30.4666667 -116, 200m

ASU:Lichens
C.M. Wetmore   724591993-02-24
Mexico, Baja California, San Quntin, 30.4666667 -116.0333333, 30m

ASU:Lichens
Lecania brunonis (Tuck.) Herre
C.M. Wetmore   794461998-01-03
Mexico, Baja California, E side of ridge crest between Sierra la Palmita and Sierra San pedro (part of the Guadalupe Mountains) along secondary dirt road between Misión Guadalupe and San Juan de Pila, 26.8983333 -112.4352778

ASU:Lichens
Dimelaena radiata (Tuck.) Müll.Arg.
P.P.G. van den Boom   249772000-07-20
Mexico, Baja California, N of Guerrero Negro, 12 km S of Rosarito, 28.525 -114.0233333, 150m

ASU:Lichens
Buellia dispersa A. Massal.
P.P.G. van den Boom   249662000-07-20
Mexico, Baja California, N of Guerrero Negro, 16 km S of Rosarito, 28.51 -114.0083333, 100m

ASU:Lichens
Buellia dispersa A. Massal.
P.P.G. van den Boom   250292000-07-21
Mexico, Baja California, N of Guerrero Negro, 11.5 km S of Rosarito, 28.5316667 -114.0233333, 150m

ASU:Lichens
Buellia dispersa A. Massal.
P.P.G. van den Boom   250512000-07-22
Mexico, Baja California Sur, 32 km (on road) NW of Santa Rosalia, along road to San Ignacio, 27.4183333 -112.4616667, 200m

ASU:Lichens
Dimelaena weberi Sheard
P.P.G. van den Boom   249832000-07-20
Mexico, Baja California, N of Guerrero Negro, 12 km S of Rosarito, 28.525 -114.0233333, 150m

ASU:Lichens
Buellia bolacina Tuck.
P.P.G. van den Boom   250442000-07-21
Mexico, Baja California, N of Guerrero Negro, 11.5 km S of Rosarito, 28.5316667 -114.0233333, 150m

ASU:Lichens
Buellia argillicola B. de Lesd.
P. Lyonett   110
Mexico, Mexico, San Jerónimo, 19.225 -100.025, 2598m

ASU:Lichens
Buellia sequax (Nyl.) Zahlbr.
P.P.G. van den Boom   250632000-07-22
Mexico, Baja California Sur, 32 km (on road) NW of Santa Rosalia, along road to San Ignacio, 27.4183333 -112.4616667, 200m

ASU:Lichens
Buellia badia (Fr.) A. Massal.
C.M. Wetmore   698621992-03-14
Mexico, Sonora, 15 km E of Esqueda, 30.6666667 -109.4666667, 1370m

ASU:Lichens
Buellia pullata Tuck.
C. Scheidegger   1989-01-05
Mexico, Baja California, 23 km E of El Rosario along rte 1, 30.0333333 -115.5166667, 200m

ASU:Lichens
Buellia De Not.
C. Scheidegger   1989-01-06
Mexico, Baja California, arroyo 1 km N of Catavina, 29.7166667 -114.6666667, 560m


Página 204, registros 20301-20400 de 20890


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.