Mexico is in my chapter because Russel Marker research involved hundreds of tropical and subtropical plants. This eventually led to a species of Dioscorea, a wild yam found in the mountains of the Mexican province of Veracruz. In the early 1942 Mexican authorities weren't issuing plant-collecting permits to collective yam.
Key Left to Right,Top to Bottom
Orange: Baja California, Chihuahua, Sinaloa, Jalisco, Tamaulipas, Hidalgo, Oaxaca, Yucantán. Pink: Baja California Sur, Nayarit, Colima, Coahuila de Zaragoza, Puebla, Chiapas. Green: Sonora, Durango, Guanajuato, Guerrero, ignacio dela llave veracruz, Quintana Roo, Purple: Zacatecas, México, Tabasco. Blue: San Luis Potosí, DF, Tlaxcala, Campeche. Red: Nayarit, Michoacán, Aguascalientes, Nuevo León, Querétaro, Morelos. |
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