Bryophytes and lichens
Subtitle: small but indispensable forest dwellers
Contributors: Forest and Rangeland Ecosystem Science Center (U.S.); United States. National Park Service
Series: USGS FS -- 154-02; Fact sheet (Geological Survey (U.S.)) -- FS-02-154
Publisher: USGS Forest and Rangeland Ecosysem Science Center
Published: 2002
Place of publication: [Port Angeles, WA]
Language: eng
Format: Electronic resource
Subjects: Bryophytes; Lichens; Forest ecology
Notes: Title from title screen (viewed Feb. 15, 2007)

"Produced in partnership with the National Park Service"--P. [4]

"December 2002."

Mode of access: Internet from the USGS web site. Address as of 2/15/07: http://fresc.usgs.gov/products/fs/fs-154-02.pdf ; current access is available via PURL