Polygonatum biflorum (Walter) Elliott
| La fauna de la Republica Argentina. E L Holmberg (1898) Segundo censo nacional : 477-602 | |
| Sixth list of additions to the flora of Washington, D.C. vicinity. With descriptions of new species varieties by Edward L. Greene, Alvah A. Eaton, and the author E S Steele (1901) Proceedings of The Biological Society of Washington 14: 47-86 | |
| Seventh supplement to the flora of the District of Columbia and vicinity W L Mcatee (1930) Proceedings of The Biological Society of Washington 43: 21-54 | |
| Keys for the identification of Acyrthosiphon (Hemiptera: Aphididae) V F Eastop (1971) Bulletin of the British Museum (Natural History), Entomology 26: 1-115 | |
| Checklist of the vascular plants of Waits Woods, Hancock County, Illinois Robert Henry and A R Scott (1984) Phytologia 56: 129-136 | |
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