TABLE 2
From the following article:
Starch grains reveal early root crop horticulture in the Panamanian tropical forest
Dolores R. Piperno, Anthony J. Ranere, Irene Holst and Patricia Hansell
Nature 407, 894-897(19 October 2000)
doi:10.1038/35038055
Table 2. Size of starch grains in domesticated plants and close wild relatives compared with archaeological grains.

