Book  (Apr 1999)  Page(s) 134.  
 
Purpurea Rubra ('Purpura Rubra') [Translation: 'Purple Red"] Moss. Unknown pre-1870. The author cites information from different sources... Red purple...

Book  (1936)  Page(s) 589.  
 
Purpurea rubra (moss) W. Paul ca. 1890; dark purple, large, double.

Book  (1936)  Page(s) 578.  
 
Pourpre (moss) Laffay ca. 1835; carmine-pink, shaded purple, medium size, double, flat.

Book  (1910)  Page(s) 246.  
 
Purpurea Rubra Moss. Flowers dark purple, large and full. A good and distinct variety; growth vigorous.

Book  (1906)  Page(s) 137.  
 
8.870.  Pourpre,  Centifolia Moussu,  Laffay,  rose foncé

Book  (1899)  Page(s) 151.  
 
Purpurea rubra, centifolia muscosa, pourpre

Book  (1880)  Page(s) Annex, p. 113.  
 
moss, Pourpre, Rubra (W. Paul), dark purple, large, full, a good and certain variety.

Website/Catalog  (1866)  Page(s) 22.  
 
144?  Purpurea rubra a deep purplish red moss

Book  (1866)  Page(s) 202.  
 
Moss Roses.
Purpurea Rubra, purple, large and full.

Book  (28 Dec 1861)  Page(s) 10.  
 
Moss Roses ... purpurea rubra