crop species

crop species	pollination	area where grown	compatible relatives
alfalfa Medicago sativa	mostly cross-pollinated	USA	wild alfalfa Medicago sativa
asparagus Asparagus officinalis	mostly cross-pollinated	USA	wild asparagus Asparagus officinalis
blueberry Vaccinium angustifolium	mostly cross-pollinated	USA	wild blueberry Vaccinium angustifolium
burmuda grass Cynodon dactylon	mostly cross-pollinated	USA	wild burmuda grass Cynodon dactylon
carrot Daucus carota	mostly cross-pollinated	USA	wild carrot Daucus carota
celery Apium graveolens	self- and cross-pollinated	USA	wild celery Apium graveolens
chicory Chicorium intybus	mostly cross-pollinated	USA	wild chicory Chicorium intybus
clover Trifolium spp.	some cross-, some self-pollinated	USA	wild clover Trifolium spp.
corn Zea mays ssp. mays	mostly cross-pollinated	Mexico and Central America	wild relatives of corn Zea mays ssp. mexicana Zea mays ssp. parviglumis Zea mays ssp. huehuetenangensis Zea diploperennis Zea perennis Zea luxurians
cranberry Vaccinium macrocarpon	mostly cross-pollinated	USA	wild cranberry Vaccinium macrocarpon
foxtail millet Setaria italica	mostly self-pollinated	France	green foxtail Setaria viridis
lettuce Lactuca sativa	mostly self-pollinated	USA	wild lettuce Lactuca serriola
oats Avena sativa	mostly self-pollinated	USA	wild oats Avena fatua
oilseed rape, canola Brassica napus	mostly self-pollinated	France USA	wild radish Raphanus raphanistrum wild brassicas Brassica napus Brassica campestris Brassica juncea
quinoa Chenopodium quinoa	mostly self-pollinated	USA	wild quinoa Chenopodium berlandieri
radish Raphanus sativus	mostly cross-pollinated	USA	wild radish Rapahnus raphanistrum
rice Oryza sativa	mostly self-pollinated	USA	red rice Oryza sativa
tobacco Nicotiana tabacum	mostly self-pollinated	USA	tobacco escaped from cultivation Nicotiana tabacum
sorghum Sorghum bicolor	mostly self-pollinated	USA	Johnsongrass Sorghum halapense
squash Cucurbita pepo	mostly cross-pollinated	USA	wild squash Cucurbita texana
strawberry Fragaria X ananassa	self- and cross-pollinated	USA	wild strawberry Fragaria virginiana
sugar beets Beta vulgaris	mostly cross-pollinated	France	wild beets Beta vulgaris
sunflower Helianthus annuus	mostly cross-pollinated	USA	wild sunflower Helianthus annuus
walnut Juglans regia	self- and cross-pollinated	USA	California walnut Juglans hindsii
wheat Triticum aestivum	mostly self-pollinated	USA	jointed goatgrass Aegilops cylindrica

Sources for table:

Arriola and Elstrand, 1996. American Journal of Botany 83(9):1153-1160.

Baranger et al., 1995. Theoretical and Applied Genetics 91:956-963.

Desplanque et al., 1999. Theoretical and Applied Genetics 98:1194-1201.

Doebley, 1990. BioScience 40(6):443-448.

Klinger et al., 1992. American Journal of Botany 79(12):1431-1435.

Saeglitz et al., 2000. Molecular Ecology 9:2035-2040.

Snow and Palma, 1997. BioScience 47(2):86-96. BioScience 47(2):86-96.

Till-Bottraud et al., 1992. Theoretical and Applied Genetics 83:940-946.

Zemetra et al., 1998. Weed Science 46:313-317.