You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Southern_Europe

Context:
Southern Europe's flora is that of the Mediterranean Region, one of the phytochoria recognized by Armen Takhtajan. The Mediterranean and Submediterranean climate regions in Europe are found in much of Southern Europe, mainly in Southern Portugal, most of Spain, the southern coast of France, Italy, the Croatian coast, much of Bosnia, Montenegro, Albania, Macedonia, Greece, and the Mediterranean islands.

Question:
Who coined the term phytochoria?

Armen Takhtajan