Descripcion
Hierbas perennes, de 0,3-1 m de alto, glabérrimas; tallos muy ramosos, costados, copiosamente hojosos. Hojas inferiores oblanceoladas, de 4-8 cm × 3-12 mm, largamente atenuadas en la base, agudas en el ápice, enteras o irregularmente dentadas y revolutas en el margen; hojas superiores oblanceolado-lineares, enteras o con algún diente, gradualmente menores. Capítulos radiados, numerosos, dispuestos en cimas corimbiformes laxas, largamente pedunculados. Involucro anchamente acampanado, ca. 5 × 5 mm; brácteas del calículo pocas, lineares, cortas; filarios ca. 20, lineares, agudos y penicilados en el ápice, glabros en el dorso. Flores dimorfas, numerosas, las del margen ca. 15, con corolas amarillas, liguladas, lígula elíptica, ca. 5 × 1 mm; las del centro numerosas, con corolas tubulosas, ca. 3 mm de largo, cortamente 5-lobadas. Aquenios cilindroides, ca. 2 mm de largo, costados, brevísimamente pilosos. Papus blanco ca. 3 mm de largo.
Distribucion y Habitat
Especie originaria de Madagascar y el sur de África, adventicia en el norte, centro y este de la Argentina, principalmente como maleza de cultivos en la provincia biogeográfica Pampeana.
Sinónimos
Senecio Senecio madagascariensis Poir.
Bibliografía
Ejemplares de referencia
Colector | N° Colect. | Especie | Departamento | Provincia | Imagen |
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2879 | Capital | Córdoba |
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3057 | Capital | Córdoba |
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3077 | San Alberto | Córdoba |
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3119 | Capital | Córdoba |
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3138 | Colón | Córdoba |
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3187 | Ischilín | Córdoba |
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3662 | Colón | Córdoba |
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-1 | BAA 2363 | Mar Chiquita | Buenos Aires |
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-1 | BAA 2372 | General Pueyrredón | Buenos Aires |
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11992 | Balcarce | Buenos Aires |
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14535 | Balcarce | Buenos Aires |
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10 | Capital | Córdoba |
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38 | Colón | Córdoba |
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140 | Berisso | Buenos Aires |
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18211 | General Alvarado | Buenos Aires | ||
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18211 | General Alvarado | Buenos Aires | ||
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18211 | General Alvarado | Buenos Aires | ||
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6658 | Bahía Blanca | Buenos Aires | ||
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6658 | Bahía Blanca | Buenos Aires | ||
|
27650 | Federación | Entre Ríos | ||
|
28100 | San Martín | Corrientes | ||
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34086 | Zárate | Buenos Aires | ||
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34259 | Dr. Manuel Belgrano | Jujuy | ||
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-1 | BAA 2478 | General Pueyrredón | Buenos Aires |
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-1 | BAA 2503 | General Pueyrredón | Buenos Aires |
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371 | General Pueyrredón | Buenos Aires |
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540 | General Pueyrredón | Buenos Aires |
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357 | Capital | Córdoba |
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-1 | BAA 13734 | General Alvarado | Buenos Aires |
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-1 | (BAA 2363) | General Pueyrredón | Buenos Aires |
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22 | Palpalá | Jujuy |
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23 | Dr. Manuel Belgrano | Jujuy |
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24 | Dr. Manuel Belgrano | Jujuy |
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25 | Dr. Manuel Belgrano | Jujuy |
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26 | Dr. Manuel Belgrano | Jujuy |
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27 | Dr. Manuel Belgrano | Jujuy |
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35 | Tumbaya | Jujuy |
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36 | Dr. Manuel Belgrano | Jujuy |
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37 | Rosario de Lerma | Salta |
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38 | Rosario de Lerma | Salta |
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39 | Rosario de Lerma | Salta |
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40 | Rosario de Lerma | Salta |
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41 | Cerrillos | Salta |
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42 | La Caldera | Salta |
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43 | La Caldera | Salta |
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44 | La Caldera | Salta |
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46 | Capital | Salta |
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47 | Capital | Salta |
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48 | Metán | Salta |
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50 | Tucumán |
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58 | Mercedes | Corrientes |
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59 | San Martín | Corrientes |
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61 | Monte Caseros | Corrientes |
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62 | Monte Caseros | Corrientes |
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63 | Federación | Entre Ríos |
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64 | Federación | Entre Ríos |
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65 | Federación | Entre Ríos |
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66 | Concordia | Entre Ríos |
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67 | Concordia | Entre Ríos |
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68 | Colón | Entre Ríos |
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70 | Uruguay | Entre Ríos |
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71 | Gualeguaychú | Entre Ríos |
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72 | Gualeguaychú | Entre Ríos |
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73 | Islas del Ibicuy | Entre Ríos |
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74 | Entre Ríos |
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75 | Zárate | Buenos Aires |
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76 | Exaltación de la Cruz | Buenos Aires |
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78 | Berazategui | Buenos Aires |
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79 | La Plata | Buenos Aires |
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81 | Dolores | Buenos Aires |
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82 | General Guido | Buenos Aires |
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84 | Maipú | Buenos Aires |
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85 | Mar Chiquita | Buenos Aires |
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86 | General Pueyrredón | Buenos Aires |
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87 | General Pueyrredón | Buenos Aires |
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88 | Mar Chiquita | Buenos Aires |
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89 | Mar Chiquita | Buenos Aires |
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90 | Mar Chiquita | Buenos Aires |
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91 | General Pueyrredón | Buenos Aires |
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92 | General Pueyrredón | Buenos Aires |
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93 | General Alvarado | Buenos Aires |
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94 | Necochea | Buenos Aires |
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95 | Tres Arroyos | Buenos Aires |
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96 | Tres Arroyos | Buenos Aires |
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97 | Buenos Aires |
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||
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98 | Coronel Dorrego | Buenos Aires |
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99 | Coronel Rosales | Buenos Aires |
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100 | Bahía Blanca | Buenos Aires |
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101 | Bahía Blanca | Buenos Aires |
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102 | Buenos Aires |
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103 | Tornquist | Buenos Aires |
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104 | Tornquist | Buenos Aires |
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105 | Tornquist | Buenos Aires |
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106 | Buenos Aires |
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107 | Tandil | Buenos Aires |
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108 | Balcarce | Buenos Aires |
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109 | General Pueyrredón | Buenos Aires |
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110 | Villa Gesell | Buenos Aires |
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112 | Pinamar | Buenos Aires |
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113 | Chascomús | Buenos Aires |
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114 | Buenos Aires |
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115 | Zárate | Buenos Aires |
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116 | Baradero | Buenos Aires |
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117 | San Pedro | Buenos Aires |
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118 | Rosario | Santa Fe |
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119 | Rosario | Santa Fe |
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120 | Victoria | Entre Ríos |
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121 | Diamante | Entre Ríos |
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124 | Torres | Rio Grande do Sul |
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125 | Rio Grande do Sul |
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126 | Osório | Rio Grande do Sul |
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127 | Rio Grande do Sul |
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128 | Viamão | Rio Grande do Sul |
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129 | Eldorado do Sul | Rio Grande do Sul |
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130 | Rio Grande do Sul |
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131 | Rio Grande do Sul |
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132 | Cachoeira do Sul | Rio Grande do Sul |
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133 | - |
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2700 | Rosario de Lerma | Salta |
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13 | Colón | Córdoba |
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40 | Colón | Córdoba |
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5 | Campana | Buenos Aires |
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569 | Tulumba | Córdoba |
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515 | Azul | Buenos Aires |
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698 | Monte Hermoso | Buenos Aires |
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-1 | BAA 15990 | Lobería | Buenos Aires |
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-1 | BAA 12853 | General Pueyrredón | Buenos Aires |
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6333 | Balcarce | Buenos Aires |
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9446 | Balcarce | Buenos Aires |
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10121 | Balcarce | Buenos Aires |
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10242 | Dr. Manuel Belgrano | Jujuy |
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12070 | Tandil | Buenos Aires |
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12629 | Balcarce | Buenos Aires |
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4982 | Islas del Ibicuy | Entre Ríos |
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5210 | Zárate | Buenos Aires |
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6006 | Buenos Aires |
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6024 | La Plata | Buenos Aires |
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6196 | Berazategui | Buenos Aires |
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6537 | Buenos Aires |
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902 | Formosa |
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10726 | - |
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1642 | General Pueyrredón | Buenos Aires |
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1667 | General Pueyrredón | Buenos Aires |
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1748 | General Pueyrredón | Buenos Aires |
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1752 | Magdalena | Buenos Aires |
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3336 | General Madariaga | Buenos Aires |
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4297 | Buenos Aires |
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4485 | Victoria | Entre Ríos |
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-1 | General Alvarado | Buenos Aires |
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38 | Merlo | Buenos Aires |
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48 | Balcarce | Buenos Aires |
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49 | Balcarce | Buenos Aires |
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50 | Balcarce | Buenos Aires |
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51 | Balcarce | Buenos Aires |
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52 | Balcarce | Buenos Aires |
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53 | Balcarce | Buenos Aires |
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54 | Balcarce | Buenos Aires |
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147 | Buenos Aires |
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179 | Rosario de Lerma | Salta |
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180 | Rosario de Lerma | Salta |
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-1 | (SI 27474) | Balcarce | Buenos Aires |
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304 | San Javier | Córdoba |
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-1 | BAA 6896 | Distrito Federal |
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-1 | FAV 68/341 | Distrito Federal |
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-1 | (ICN 110165) | Porto Alegre | Rio Grande do Sul |
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-1 | BAA 17048 | General Pueyrredón | Buenos Aires |
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349 | General Pueyrredón | Buenos Aires |
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1433 | La Paz | Entre Ríos |
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-1 | BAA 1947 | General Pueyrredón | Buenos Aires |
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62 | BAA 25437 | General Lavalle | Buenos Aires |
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3567 | Capital | Salta |
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7012 | Cerrillos | Salta |
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9261 | Tumbaya | Jujuy |
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-1 | CORD 72 | Victoria | Entre Ríos |
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13791 | Bahía Blanca | Buenos Aires |
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7049 | Monte Caseros | Corrientes |
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7056 | Monte Caseros | Corrientes |
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7605 | Dr. Manuel Belgrano | Jujuy |
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14551 | Islas del Ibicuy | Entre Ríos |
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1789 | Rosario | Santa Fe |
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1789 | Rosario | Santa Fe |
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-1 | BAA 17425 | Baradero | Buenos Aires |
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33 | Distrito Federal |
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7630 | General Alvarado | Buenos Aires |
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767 | General Pueyrredón | Buenos Aires |
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825 | General Pueyrredón | Buenos Aires |
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-1 | BAA 19169 | Exaltación de la Cruz | Buenos Aires |
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36978 | San Martín | Corrientes |
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141 | Villarino | Buenos Aires |
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586 | Villarino | Buenos Aires |
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2404 | Salto |
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-1 | BAA 2758 | Distrito Federal |
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200 | Artigas |
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2597 | Río Segundo | Córdoba |
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759 | Berisso | Buenos Aires |
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2 | BAA 19455 | Buenos Aires |
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162 | BAA 20004 | Buenos Aires |
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183 | BAA 20025 | Buenos Aires |
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3548 | Necochea | Buenos Aires |
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3635 | General Pueyrredón | Buenos Aires |
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11826 | Coronel Suárez | Buenos Aires |
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-1 | a | Avellaneda | Buenos Aires |
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930 | Tafí | Tucumán |
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851 | Jujuy |
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3215 | Colón | Córdoba |
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3216 | Colón | Córdoba |
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3217 | Colón | Córdoba |
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3221 | San Pedro | Buenos Aires |
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3222 | San Pedro | Buenos Aires |
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3223 | San Pedro | Buenos Aires |
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3224 | San Pedro | Buenos Aires |
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3225 | La Plata | Buenos Aires |
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3226 | La Plata | Buenos Aires |
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3227 | Buenos Aires |
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3228 | Buenos Aires |
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3229 | Buenos Aires |
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Nombre Vulgar y Usos
Tipo y Observaciones
Material Tipo: Madagascar. Sin localidad consignada, P. Commerson s.n. (MPU 011695, P 00557664).
Observaciones: