Assertion: mountain ash | /r/HasProperty | the two varieties
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Source sentences:
text: The Korean mountain ash (Sorbus alnifolia), which grows in U.S. Department of Agriculture plant hardiness zones 4 through 7, and the European mountain ash (Sorbus aucuparia), which grows in USDA zones 3 through 6, are the two varieties you're likely to find at the garden center.
text: The American Mountain Ash, also known as the Small-Fruited Mountain-Ash or by its scientific name, Sorbus americana, is a variety that is especially popular with homeowners.
text: The Korean mountain ash (Sorbus alnifolia), which grows in U.S. Department of Agriculture plant hardiness zones 4 through 7, and the European mountain ash (Sorbus aucuparia), which grows in USDA zones 3 through 6, are the two varieties you're likely to find at the garden center.