The Academy of Natural Sciences of Philadelphia is home to more than 200 priceless specimens of plants collected by Meriwether Lewis and William Clark on their

Combines the day-by-day story of the Lewis and Clark Expedition with illustrated botanical descriptions. Takes readers into the field to see and learn about flo

Account of the botanical discoveries of Meriwether Lewis and William Clark, together with illustrations of plant specimens from the Lewis and Clark Herbarium.

This landmark volume contains the most complete listing and presentation of the plant specimens collected by the Lewis and Clark expedition. All but one of the