14469
The nomenclatural history of this species is somewhat complicated due to the varieties , as well as its habit of hybridizing with " Opuntia phaeacantha " .
 Opuntia phaeacantha
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Opuntia phaeacantha