-
by Smith, Alexander H. (Alexander Hanchett), 1904-1986
Published 1975 -
by Benoliel, Doug
Published 1974 -
An illustrated flora of the northern United States Canada and the British possessionsfrom Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102d meridianBookby Britton, Nathaniel Lord, 1859-1934
Published 1913 -
Field guide to old-growth forestsexploring ancient forest ecosystems from California to the Pacific NorthwestBookby Eifert, Larry
Published 2000 -
A field guide to Pacific States wildflowersfield marks of species found in Washington Oregon California and adjacent areas a visual approach arranged by color form and detailBookby Niehaus, Theodore F.
Published 1976 -
by Christensen, James R.
Published 1981 -
Mountain plants of the Pacific Northwesta field guide to Washington western British Columbia and southeastern AlaskaBookby Taylor, Ronald J., 1932-
Published 1995 -
Watching Washington butterflies;an interpretive guide to the State's 134 species including most of the butterflies of Oregon Idaho and British ColumbiaBookby Pyle, Robert Michael
Published 1974