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

Página 154, registros 15301-15400 de 20890

Arizona State University Lichen Herbarium


ASU:Lichens
Cladonia Hill ex P. Browne
T.H. Nash III   454762008-02-01
Mexico, Oaxaca, along side road to San Juan Lalop near San Miguel Talea de Castro, 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
Graphidaceae Dumort.
T.H. Nash III   454772008-02-01
Mexico, Oaxaca, along side road to San Juan Lalop near San Miguel Talea de Castro, 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
Hypotrachyna pseudosinuosa (Asah.) Hale
T.H. Nash III   454782008-02-01
Mexico, Oaxaca, along side road to San Juan Lalop near San Miguel Talea de Castro, 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
T.H. Nash III   454792008-02-01
Mexico, Oaxaca, along side road to San Juan Lalop near San Miguel Talea de Castro, 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
Parmotrema mellissii (C.W. Dodge) Hale
T.H. Nash III   454802008-02-01
Mexico, Oaxaca, along side road to San Juan Lalop near San Miguel Talea de Castro, 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
T.H. Nash III   454812008-02-01
Mexico, Oaxaca, along side road to San Juan Lalop near San Miguel Talea de Castro, 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
T.H. Nash III   454822008-02-01
Mexico, Oaxaca, along side road to San Juan Lalop near San Miguel Talea de Castro, 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
T.H. Nash III   454822008-02-01
Mexico, Oaxaca, along side road to San Juan Lalop near San Miguel Talea de Castro, 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
T.H. Nash III   454832008-02-01
Mexico, Oaxaca, along side road to San Juan Lalop near San Miguel Talea de Castro, 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
T.H. Nash III   454842008-02-01
Mexico, Oaxaca, along side road to San Juan Lalop near San Miguel Talea de Castro, 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
Usnea merrillii Motyka
T. H. Nash   454852008-02-01
Mexico, Oaxaca, Along side road to San Juan Lalop near San Miguel Talea de Castro., 17.3658333333333 -96.2527777777778, 1660m

ASU:Lichens
Acarospora A. Massal.
T.H. Nash III   454862006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Caloplaca Th. Fr.
T.H. Nash III   454872006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Caloplaca texana Wetmore & Kärnefelt
T.H. Nash III   454882006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Candelina mexicana (B. de Lesd.) Poelt
T.H. Nash III   454892006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Canoparmelia crozalsiana (B. de Lesd. ex Harm.) Elix & Hale
T.H. Nash III   454902006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Heterodermia Trevis.
T.H. Nash III   454912006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Lecidea pseudaglaea Hertel
ASUL008025T.H. Nash III   454922006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Parmotrema reticulatum (Taylor) M. Choisy
ASUL000023T.H. Nash III   454932006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Placomaronea Räsänen
T.H. Nash III   454942006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
ASUL000007T.H. Nash III   454952006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Pyxine Fr.
T.H. Nash III   454962006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Xanthoparmelia tinctina (Maheu & A. Gillet) Hale
T. H. Nash   454972006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km south of San Pablo Tequixtepec along Route 125 between Tehuacán and Huajuapan., 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Flavopunctelia praesignis (Nyl.) Hale
ASUL000050T.H. Nash III   454982006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Flavopunctelia soredica (Nyl.) Hale
ASUL000053T.H. Nash III   454992006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Heterodermia Trevis.
T.H. Nash III   455002006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
T.H. Nash III   455012006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Phaeophyscia ciliata (Hoffm.) Moberg
T.H. Nash III   455022006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Physcia (Schreb.) Michaux
T.H. Nash III   455032006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Pyxine Fr.
T.H. Nash III   45504 a2006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Parmotrema latissimum (Fée) Hale
ASUL000061T.H. Nash III   455052006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Punctelia perreticulata (Räsänen) G. Wilh. & Ladd
T.H. Nash III   45504 b2006-11-27
Mexico, Puebla, Pasando San Pedro, 85 km S of San Pablo Tequixtepec along route 125 between Tehuacán and Huajuapan, 18.0505555555556 -97.6908333333333, 1880m

ASU:Lichens
Parmotrema reticulatum (Taylor) M. Choisy
T.H. Nash III   455062006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Usnea amblyoclada (Müll. Arg.) Zahlbr.
T.H. Nash III   455072006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Xanthoparmelia neoconspersa (Gyelnik) Hale
T. H. Nash   455082006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km southeast of San Antonio Abad., 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Xanthoparmelia subplittii Hale
T. H. Nash   455092006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km southeast of San Antonio Abad., 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
T.H. Nash III   455102006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Acarospora A. Massal.
T.H. Nash III   455112006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Buellia De Not.
T.H. Nash III   455122006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Caloplaca Th. Fr.
T.H. Nash III   455132006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Candelina mexicana (B. de Lesd.) Poelt
T.H. Nash III   455142006-11-28
Mexico, Oaxaca, Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Dimelaena Norman
T.H. Nash III   455152006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
T.H. Nash III   455162006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
T.H. Nash III   455172006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
T.H. Nash III   455182006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
T.H. Nash III   455192006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Lecidea russellii Tuck.
T.H. Nash III   455202006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Pertusaria moreliensis B. de Lesd.
T.H. Nash III   455212006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Buellia De Not.
T.H. Nash III   455222006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
T.H. Nash III   455232006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Peltula Nyl.
T.H. Nash III   455242006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Placidium A. Massal.
T.H. Nash III   455252006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
Psora icterica (Mont.) Müll.Arg.
T.H. Nash III   455262006-11-28
Mexico, Oaxaca, Distrito de Coixtlahuaca, 1 km SE of San Antonio Abad, 17.8891666666667 -97.4363888888889, 2070m

ASU:Lichens
T.H. Nash III   455272008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Cladonia Hill ex P. Browne
T.H. Nash III   455282008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Dibaeis Clem.
T.H. Nash III   455292008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Sticta (Schreb.) Ach.
T.H. Nash III   455302008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Peltigera Willd.
T.H. Nash III   455312008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Coccocarpia erythroxyli (Sprengel) Swinscow & Krog
T.H. Nash III   455322008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Cetrelia W.L. Culb. & C.F. Culb.
T.H. Nash III   455332008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
T.H. Nash III   455342008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Fuscopannaria P.M. Jørg.
T.H. Nash III   455352008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Heterodermia boryi (Fée) Kr.P. Singh & S.R. Singh
T.H. Nash III   455362008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Heterodermia leucomelaena (L.) Poelt
T.H. Nash III   455372008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Leptogium pseudofurfuraceum P.M. Jørg. & Wallace
T.H. Nash III   455382008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Lobaria crenulata (Hook.) Trev.
T.H. Nash III   455392008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Parmelinopsis Elix & Hale
T.H. Nash III   455402008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
ASUL000159T.H. Nash III   455412008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Parmotrema stuppeum (Taylor) Hale
ASUL000166T.H. Nash III   45542 a2008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
ASUL000138T.H. Nash III   45542 b2008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
T.H. Nash III   455432008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
T.H. Nash III   455442008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
T.H. Nash III   455452008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
T.H. Nash III   455462008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
T.H. Nash III   455472008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Sticta (Schreb.) Ach.
T.H. Nash III   455482008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Usnea erinacea Vain.
T. H. Nash   455492008-02-02
Mexico, Oaxaca, Santa Marta Latuvi., 17.175 -96.4780555555556, 2730m

ASU:Lichens
T.H. Nash III   455502008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Usnea cristatula Motyka
T. H. Nash   45551 a2008-02-02
Mexico, Oaxaca, Santa Marta Latuvi., 17.175 -96.4780555555556, 2730m

ASU:Lichens
Flavopunctelia praesignis (Nyl.) Hale
ASUL000119T.H. Nash III   455522008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Usnea ramillosa Motyka
T. H. Nash   45551 b2008-02-02
Mexico, Oaxaca, Santa Marta Latuvi., 17.175 -96.4780555555556, 2730m

ASU:Lichens
Hypotrachyna rockii (Zahlbr.) Hale
T.H. Nash III   455532008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Hypotrachyna rockii (Zahlbr.) Hale
ASUL001216T.H. Nash III   455542008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Pannaria tavaresii P.M. Jørg.
T.H. Nash III   455552008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
Parmotrema cooperi (J. Steiner & Zahlbr.) Sérus.
T.H. Nash III   455562008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
T.H. Nash III   455572008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
T.H. Nash III   455582008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.175 -96.4780555555556, 2730m

ASU:Lichens
T.H. Nash III   455592008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Leptogium cyanescens (Rabenh.) Körb.
T.H. Nash III   455602008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Everniastrum sorocheilum (Vain.) Hale ex Sipman
T.H. Nash III   455612008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
T.H. Nash III   455622008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Heterodermia boryi (Fée) Kr.P. Singh & S.R. Singh
T.H. Nash III   455632008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Hypotrachyna (Vain.) Hale
T.H. Nash III   455642008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Hypotrachyna pulvinata (Fée) Hale
T.H. Nash III   455652008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Leptogium (Ach.) Gray
T.H. Nash III   455662008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Leptogium laceroides (B. de Lesd.) P.M. Jørg.
T.H. Nash III   455672008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Lobaria crenulata (Hook.) Trev.
T.H. Nash III   455682008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Parmotrema reticulatum (Taylor) M. Choisy
T.H. Nash III   455692008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Everniastrum vexans (Zahlbr. ex W.L. Culb. & C.F. Culb.) Hale ex Sipman
T.H. Nash III   455702008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m

ASU:Lichens
Sticta (Schreb.) Ach.
T.H. Nash III   455712008-02-02
Mexico, Oaxaca, Santa Marta Latuvi, 17.1825 -96.5063888888889, 2250m


Página 154, registros 15301-15400 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.