	US 12,385,917 B2
	Methods and compositions for tracking vegetation
Chad A. Kinney, Pueblo, CO (US); James Carsella, Pueblo West, CO (US); Brian Vanden Heuvel, Colorado Springs, CO (US); and David Boston, Fort Collins, CO (US)
Assigned to Colorado State University Research Foundation, Fort Collins, CO (US)
Appl. No. 17/049,958
Filed by Colorado State University Research Foundation, Fort Collins, CO (US)
PCT Filed Apr. 26, 2019, PCT No. PCT/US2019/029332 § 371(c)(1), (2) Date Oct. 22, 2020, PCT Pub. No. WO2019/210154, PCT Pub. Date Oct. 31, 2019.
Claims priority of provisional application 62/663,098, filed on Apr. 26, 2018.
Prior Publication US 2021/0231658 A1, Jul. 29, 2021
Int. Cl. G01N 33/569 (2006.01); G01N 33/58 (2006.01); G01N 33/68 (2006.01)

CPC G01N 33/56961 (2013.01) [G01N 33/581 (2013.01); G01N 33/582 (2013.01); G01N 33/6848 (2013.01)]

32 Claims

1. A method for identifying the source of a plant or part thereof, comprising:

a) contacting the plant or a part thereof with a first compound indicative of the source of the plant and capable of being detected by a field-based assay; and

b) identifying the plant or a part thereof by detecting the first compound or the absorption characteristics of the first compound, wherein the first compound is adhered to the surface of the plant or part thereof, wherein the first compound is desorbed using water or an organic solvent, and wherein the first compound comprises at least a first stable isotope label at a first location in the first compound, and the source of the plant or part thereof is identified by detecting the location of the first stable isotope label in the first compound.