Chokecherries, North Dakota's new state fruit, are under attack from an ugly black lump. The black knot fungus is "the scourge of chokecherries. It's really bad," said Ron Smith, North Dakota State ...

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Chokecherry, Prunus virginiana, is a small shrub or tree found near Montana's rivers and streams. It is one of our most important edible native plants. The scientific name for the genus, Prunus, ...