L.H.Bailey 1945 not Gand. 1884
The genetics of Rubus is extremely complex, so that it is difficult to decide on which groups should be recognized as species. There are many rare species with limited ranges such as this. Further study is suggested to clarify the taxonomy.
- Biota of North America Program 2014 county distribution map
- Bailey, Liberty Hyde 1945. Gentes Herbarum; Occasional Papers on the Kinds of Plants 5(9): 693–695, figure 312
- Flora of North America, Rubus Linnaeus, 1754. Bramble
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