86292
The cultivar P. cambricum ( Cristatum Group ) ' Grandiceps Fox ' , with conspicuous branching crests , has gained the Royal Horticultural Society 's Award of Garden Merit .
 Royal Horticultural Society
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Royal Horticultural Society