Contributions from the United States National Herbarium

v.48(2003)

Contributions from the United States National Herbarium

v.49(2004)

Contributions from the United States National Herbarium

v.50(2004)

Contributions from the United States National Herbarium

v.51(2005)

Contributions from the United States National Herbarium

v.52(2005)

Contributions from the United States National Herbarium

v.53(2006)

Köhler's Medizinal-Pflanzen in naturgetreuen Abbildungen mit kurz erläuterndem Texte : Atlas zur Pharmacopoea germanica, austriaca, belgica, danica, helvetica, hungarica, rossica, suecica, Neerlandica, British pharmacopoeia, zum Codex medicamentarius, sowie zur Pharmacopoeia of the United States of America /

v.4

An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian / by Nathaniel Lord Britton and Hon. Addison Brown.

3