photo submitted by the estate of E.S. Boerner with plant patent application in 1967; U.S. Plant Patent 2,851 was granted in 1968. Image and information courtesy of University of Maryland Libraries.
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photo submitted by the estate of E.S. Boerner with plant patent application in 1967; U.S. Plant Patent 2,851 was granted in 1968. Image and information courtesy of University of Maryland Libraries.