Website/Catalog  (28 Nov 2015)  
 
Name: Chestock
Synonyms:
ARS Approved Exhibition Name: Chessum's Choice
Sp, w, 1986, Chessum, Paul. [sport of Pfander's Canina]. Introductions: Alan Thompson, 1988. strain of R. canina; used as a stem of standard (tree) roses

Book  (Apr 1993)  Page(s) 91.  
 
Chessum's Choice Species (Old Garden Rose), white, 1988, (CHEstock); 'Pfander's Canina' sport; Chessum, Paul... For use as a stem of (standard) tree roses.