40987
" Allium tubiflorum " is a plant species native to China ( Gansu , Hebei , Henan , Hubei , Shaanxi , Shanxi , Sichuan ) at elevations less than 2000 m .
 China, Gansu, Hebei, Henan, Hubei, Shaanxi, Shanxi, Sichuan
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:
 China, Gansu, Hebei, Henan, Hubei, Shaanxi, Shanxi, Sichuan