Dragonflies and Damselflies: References

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Registered uses of reference:
Williamson, E. B. (1920) Results of the University of Michigan-Williamson expedition to Colombia 1916-17. V. Notes on a few species of Progomphus (Odonata). Occasional Papers Museum Zoology Michigan no. 77: 1-18, incl. pl. 1-3.
Genus authorship : 0

Species-level taxonomy : 1
Progomphus risi

Subspecies taxonomy : 0

Synonyms : 0

Descriptions : 0

Keys : 0

Distribution : 0

Conservation : 0

Habitat : 0

Biology : 0