Using the quick search there are shown up to three reports about cryptomeria pollen:
Researchers at the RIKEN Research Center for Allergy and Immunology (RCAI) have begun bridging research for a vaccine to prevent and treat pollen disease caused by cedar pollen. This is the first poll...
Medizin Gesundheit |Using the fulltext-search for the word cryptomeria pollen you can set up serveral searching-options > choose search options