Mapping will be based on a standard reference mark based on political units when available.
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Mesoamerica
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Mexico
:
SPECIMEN BASED RECORD. 1986. Field Museum Type Record.
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North America
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United States
:
Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville.
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Mesoamerica
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Mexico
:
SPECIMEN BASED RECORD. Published protolog data.