15244
Among his numerous publications was an 1857 book involving flora from Rhine Province called Flora der preußischen Rheinprovinz und der zunächst angränzenden Gegenden , and a treatise titled Neuwied und seine Umgebung ( Neuwied and its Environment ) .
 Neuwied, Neuwied
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Neuwied, Neuwied