Magazine  (2016)  Page(s) Table S2.  
 
prince camille de rohan, Origin of the sample: Loubert Rose Garden, Genetic group 8, Percentage of assignation: 66.2, 1861, HP, Verdier, Origin: France Paris, Ploidy: 4, measured

Book  (Nov 1994)  Page(s) 146.  
 
Prince Camille de Rohan Hybrid Perpetual. E. Verdier (France) 1861. ('La Rosière', 'Souvenir d'Auguste Rivoire', 'Edouard Dufour'). Description... dark velvety maroon, shaded towards the circumference with blood red (W. Paul)... 'Roger Lambelin' is a sport...

Book  (Dec 1993)  Page(s) 103.  
 
Prince Camille de Rohan
('La Rosière')
Hybrid Perpetual
R. [sic] Verdier (France) 1861
... has long held the reputation of being the darkest of all roses... very weak growth, except when well grown under favourable conditions... richest velvety crimson-maroon... weak stems... a powerful fragrance...

Book  (Apr 1993)  Page(s) 471.  
 
Prince Camille de Rohan Hybrid Perpetual, very deep velvety crimson-maroon, 1861 ('La Rosière, Climbing'); Possibly 'Général Jacqueminot' x 'Géant des Batailles' hybrid; Verdier, E. Description.

Book  (Feb 1993)  Page(s) 125.  
 
Prince Camille de Rohan
Hybrid Perpetual
Botanical Grouping: Chinensis
Parentage: Possibly 'Général Jacqueminot' x 'Géant de Batailles'
(Synonym: 'La Rosière')
France 1861
... The full double flowers are noted for their unusual formation and colour, comprising many closely packed, overlapping petals in a colour combination of very dark maroon/purple with orange-brown touches... Not a reliable repeat flowerer... susceptible to disease... Generally grown only by enthusiasts...

Book  (Jun 1992)  Page(s) 145.  
 
Prince Camille de Rohan Hybrid Perpetual. E. Verdier 1861. [Author cites information from different sources.]

Book  (1988)  Page(s) 74.  Includes photo(s).

Website/Catalog  (1985)  Page(s) 37.  
 

Prince Camille de Rohan.....3 x 3’.

Website/Catalog  (1982)  Page(s) 30.  
 

Prince Camille de Rohan (Hybrid Perpetual) Can be faulted by a rather weak neck,  otherwise a fascinating rose. Very deep blackish red blooms of almost colossal size on a vigorous plant. 1861. (R) 5 x 3’.

Website/Catalog  (1938)  Page(s) 37.  
 
Bush Roses
Prince Camille de Rohan (Hybrid Perpetual)... Deep velvety crimson. Full. Vigorous. Very highly perfumed. Introduced 1861.