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'Rosa rugosa X Rosa glauca' rose References
Website/Catalog  (2006)  Page(s) 55.  
Rosa rugosa Thunb. x Rosa glauca Pourr.
Magazine  (24 Jun 1932)  Page(s) 33.  
Rosa rugosa and its hybrids.
...It would seem as though many of these Rugosa hybrids might be useful in producing new varieties of hardy roses. [...] For the convenience of those amateurs who are doing breeding work with roses, the pollen of the hybrids in the Arboretum's collection has been examined in the Cytological Laboratory.  In the following discussion the percentage of fertile pollen, as determined by microscopical examination, is reported for each hybrid where buds were available for study.
R. rugosa X R. ferruginea.
Pollen fertility 60%.
Flowers white and single, borne in clusters.  Foliage thin but tough.  The general effect is that of a tall, white-flowered wild rose.
Book  (1902)  Page(s) 149.  
Hybrides de Rugosa...
5539. Rugosa x rubrifolia (L'Hay 1899), sauvage
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