Using Google Books, you can search inside every page of the books in their database. You can then use the Find in a Library link to find out if we have the book you need in the Madigan Library.
The Library of Congress classification for botany is QK. More specifically, QK is broken down as follows:
Browsing in any of these areas may lead to the discovery of valuable material in addition to the specific items listed in this guide.
Offers access to thousands of titles on various topics, without DRM (digital rights management) restrictions.