Rubus pugnax explained

Rubus pugnax is a North American species of highbush blackberry in section Alleghenienses of the genus Rubus, a member of the rose family.^[1] It is found in eastern and central Canada (Québec, Ontario, New Brunswick, Nova Scotia) and in the eastern United States (Maine, Vermont, Massachusetts, New York, Pennsylvania, North Carolina, West Virginia).^{[2] [3]}

Notes and References

1. Bailey . L.H. . 1944b . Species batorum. The genus Rubus in North America. VIII. Alleghenienses. . Gentes Herbarum . 3 . 504-588.
2. http://bonap.net/MapGallery/State/Rubus%20pugnax.png Biota of North America Program 2014 state-level distribution map
3. Bailey, Liberty Hyde 1944. Gentes Herbarum; Occasional Papers on the Kinds of Plants 5(8): 524–525, figure 235