Spanish moss vs barbe espagnole

Spanish moss

noun
  • A gray epiphyte that hangs down from trees, Tillandsia usneoides, native to the southeastern US and throughout humid tropical and subtropical parts of the Americas. 

barbe espagnole

noun
  • Spanish moss (Tillandsia usneoides). 

How often have the words Spanish moss and barbe espagnole occurred in a corpus of books? (source: Google Ngram Viewer )