[{"source_document_id":112,"title":"Pollination Studies with Stone Fruits","url":"https://sherwoods-forests.com/Downloads/UMinnAgExpStation-Stone_Fruit-Pollenation.pdf","rights_status":"unknown","evidence_claim_count":4,"relationship_count":0,"history_event_count":0,"sample_snippets":["Came from seed of a white-fruited variety grown at the USDA Field Station at Mandan, North Dakota.","Described as an introduction from the Dominion Experimental Farm at Morden, Manitoba, Canada.","Classified as self-fertile in Table 15.","Listed within the Nanking cherry section, corresponding to Prunus tomentosa."]}]