TY - BOOK ID - 135156018 TI - USGS launches online database : lichens in national parks. PY - 2005 PB - [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, DB - UniCat KW - Lichens KW - Databases. UR - https://www.unicat.be/uniCat?func=search&query=sysid:135156018 AB - ER -