Article (website)  (13 Aug 2007)  
 
R. x. harisonii Rivers var. vorbergii (Graebn.) Rehd. = R. vorbergii Graebn. = ‘Vorbergii’

Book  (1988)  Page(s) 154.  
 
location 146/10, R. x harisonii Rivers var. vorbergii Rehd. (R. foetida x R. pimpinellifolia) = R. vorbergii Graebn., PIMPINELLIFOLIAE, originated in the Wood-botanical garden of Hann. Münden, before 1902, light yellow, single, mild fragrance, medium size, bushy, branched, short stalks, 1-1.5m, medium green small matte foliage, 7-9 leaflets, black rounded medium-large fruit with thickened stalks, reflexed-upright persistent sepals, fall off early