The TN Red in the ARS-GRIN database would indeed be a catch. As a 1909 accession from Portiel Italy, it likely represented a green stem "Red Burley" that was widely grown in the US in the early and mid 1800s, and from which the white stem burleys were derived by a genetic fluke.
But, like you, I am skeptical about how a vendor of well-established name inventing proclivities could somehow obtain this.
Bob
But, like you, I am skeptical about how a vendor of well-established name inventing proclivities could somehow obtain this.
Bob