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Num Mark Subjects (1-6 of 6) Year Entries
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Plant varieties -- See Also the narrower term Heirloom varieties (Plants)



--subdivision Heirloom varieties under individual plants and groups of plants, e.g. Corn--Heirloom varieties
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2 Plant varieties -- Patents.   6
3 Plant varieties -- Patents -- Government policy. / https://id.loc.gov/authorities/subjects/sh85102889 https://id.loc.gov/authorities/subjects/sh99005269 : Haugen, Hans Morten,  2007 1
4 Plant varieties -- Protection.   4
5 Plant varieties -- Research. / https://id.loc.gov/authorities/subjects/sh85102888 https://id.loc.gov/authorities/subjects/sh2002006576  2013 1
6 Plant varieties -- United States. / https://id.loc.gov/authorities/subjects/sh85102888 https://id.loc.gov/authorities/names/n78095330-781  1995 1
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