Crossword Clue:

one who studies lichen

AnswerCrossword Clue
PALEONTOLOGISTOne who studies fossils
CPAOne who studies books
MYRMECOLOGISTOne who studies ants
OCULISTOne who studies irises
MICROBIOLOGISTOne who studies minute organisms
ROENTGENOLOGISTOne who studies X-rays
YOGIOne who studies asanas and pranayama