Reference to this variety found by Mathieu in Wiener Garten-Zeitung 287. 1884.

Haferpflaume. Insititia? Mentioned in Mathieu Nom. Pom. 434. 1889.

Blaue Krieche. Echte Hafer Pflaume. Echte Hafer Zwetsche.

Haffner Herbstpflaume. Domestica? Mentioned in Mathieu Nom. Pom. 434. 1889.

Haffner Königspflaume. Domestica? Mentioned in Mathieu Nom. Pom. 434. 1889.

Royale de Haffner.

Haku Botan. Triflora. 1. Va. Sta. Bul. 129:113. 1901.

Imported by the United States Department of Agriculture.

Hallenbeck. Domestica. 1. Cultivator 8:309. 1860. 2. Downing Fr. Trees Am. 920. 1869.

Originated with Henry Hallenbeck, East Greenbush, Rensselaer County, New York. Fruit large, roundish-oval, one side often enlarged, reddish-purple; numerous minute dots; flesh greenish-yellow, very juicy, sugary, brisk flavor; good; clingstone; mid-season.