Book  (2007)  Page(s) 328.  
 
Mexicali Rose, F, yb, 1957 [((Herrenhausen x unknown) x Golden Rapture) x Easter Parade], Whisler, int. by Germain's 1956 ...description

Book  (1958)  Page(s) 14.  
 
Harry H. Hazlewood. Some New Roses For 1958. 
Mexicali Rose Hybrid Polyantha or Floribunda. (Whisler 1956). Semi-double rich yellow which changes to pink and red as the blooms mature. The various shades appear in the one cluster at the one time after the style of 'Masquerade'. Darker foliage than normal forming a good background. Vigorous growth and a very fine variety.

Website/Catalog  (1958)  Page(s) 8.  
 
Novelty Roses 1958. Mexicali Rose. Hyb, Poly. (Whisler, 1956.) Semi-double rich yellow, changing to pink and red as the flowers mature. The foliage is darker than normal, forming a good background. A very fine variety. 12/6 each.

Book  (1958)  Page(s) 235.  
 
Mexicali Rose. F. (Whisler; int. Germain, '57.) (Herrenhausen seedling X Golden Rapture) X Easter Parade. Bud short pointed; yellow suffused red; fl. large (3 in.), dbl. (65-70 petals), open, slightly fragrant (spicy), deep yellow turning deep rose-pink, then cerise-red; cluster. Fol. dark. Vig., upright; free bloom. (28) Pl. Pat. 1496.