Website/Catalog  (1907)  Page(s) 32.  
 
Herbaceous Peonias.
Select Double Peonias.
Arethusa. — Large, full, soft pink; blooms on long stems; very fragrant.

Website/Catalog  (1895)  Page(s) 22.  
 
Barr's Hardy Double Chinese Pæonies.
Blushes. (Mostly rose-scented, all beautiful.)
Arethusa, pink, passing to blush, 1/6.

Magazine  (9 Sep 1879)  Page(s) 259.  
 
Select Pyrethrums, Pæonias, Potentillas, Irises, and Phloxes.
Pæonias, varieties of sinensis. — Arethusa, rosy-lilac, delicate and creamy-white centre...