Reference citation:
Banks, J.A. (1980). The reproductive biology of Erythronium propullans Gray and sympatric populations of E. albidum Nutt. (Liliaceae). Bulletin of the Torrey Botanical Club, 107, 181

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:
Schemske, D. W., M. F. Willson, M. N. Melampy, L. J. Miller, L. Verner, K. M. Schemske, and L. B. Best. 1978. Flowering Ecology of Some Spring Woodland Herbs. Ecology 59:351-366.

Source citation:
Web of Life. http://www.web-of-life.es .

Source archive URL:
https://github.com/globalbioticinteractions/web-of-life/archive/f63e4dbd52d31b698df5d5f63a409889a26fd0a5.zip