Attributes / relations provided by
♦ 1Derived from
Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3Kattge, J. et al. (2011b)
TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 4Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 5Thomomys talpoides, B. J. Verts and Leslie N. Carraway, MAMMALIAN SPECIES No. 618, pp. 1-11 (1999)
♦ 6Spermophilus columbianus, Charles L. Elliott and Jerran T. Flinders, MAMMALIAN SPECIES No. 372, pp. 1-9 (1991)
♦ 7Clements, R. E., and F. L. Long. 1923,
Experimental pollination. An outline of the ecology of flowers and insects. Washington, D.C., USA, Carnegie Institute of Washington.