Reference citation:
Robertson, C. 1929. Flowers and insects: lists of visitors to four hundred and fifty-three flowers. Carlinville, IL, USA, C. Robertson.

Source citation:
Sarah E Miller. 6/25/2015. Species associations manually extracted from Robertson, C. 1929. Flowers and insects: lists of visitors to four hundred and fifty-three flowers. Carlinville, IL, USA, C. Robertson.

Source archive URL:
https://github.com/millerse/Flowers-and-insects-lists-of-visitors-to-four-hundred-and-fifty-three-flowers/archive/318341b23905739413008f5c751c05318ff5cb00.zip

Reference citation:
Records of organisms other than plants having flower visitors are probably errors

Source citation:
Katja Schulz. 2020. Collection of refuted species associations claims provided by Enclyclopedia of Life.

Source archive URL:
https://github.com/globalbioticinteractions/refuted-biotic-interactions-by-eol/archive/d07713f8d72d98a2715b4f5339cc38bf653de019.zip