7084
It was first described by Eduard August von Regel in 1873 as a variety of " T. sylvestris , " then elevated to full species status two years later .
 person: Eduard August von Regel
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Eduard August von Regel