Tubbs Lecture – April 23, 2017 Posted on April 23, 2017February 13, 2022 by Webmaster Fred Spicer spoke on the topic, “Why Do We Botanize” at the 3rd Annual Tubbs Lecture on April 23, 2017. Tubbs Lecture 20170423Tubbs Lecture 20170423Tubbs Lecture 20170423Tubbs Lecture 20170423Tubbs Lecture 20170423