Reference citation:
National Database Plant Pollinators. Center for Plant Conservation at San Diego Zoo Global. Accessed via https://saveplants.org/national-collection/pollinator-search/ on 2020-06-05. Accessed at on 23 Jan 2021.

Source citation:
National Database Plant Pollinators. Center for Plant Conservation at San Diego Zoo Global. Accessed via https://saveplants.org/national-collection/pollinator-search/ on 2020-06-05.

Source archive URL:
https://github.com/globalbioticinteractions/cpc-pollinators/archive/c0ea6f2fd5d7bc9d2db5cb0f27248b84637e20ef.zip

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