http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Invasive plants field and reference guide
an ecological perspective of plant invaders of forests and woodlands
Ecological perspective of plant invaders of forests and woodlands
1 online resource (v, 83 unnumbered pages) : color illustrations.
Cynthia D. Huebner with Cassandra Olson and Heather C. Smith.