82686
In 1835 , he spent several months on a botanical excursion to Italy and Dalmatia , afterwards returning to Germany as a secondary school teacher of natural sciences in Nordhausen , a position his held until his retirement in 1883 .
 Italy, Nordhausen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Italy, Nordhausen