Thomas Givnish

Thomas Givnish

University of Wisconsin-Madison

Henry Allan Gleason Professor of Botany


Haven't created any projects yet! 

No lab notes posted yet!

Looks like a very exciting phenomenon, Evan!
Interesting that G. brevituba has sticky leaves that collect sand! This is a rare trait, but occurs in several families, and has only recently been proposed as an anti-herbivore defense. Remarkable that it occurs in Geissorhiza, and it'll be interesting to see if this species is unique in this ...more
Ah - it turns out that ALL species of Cyanea are restricted to the Hawaiian Islands. Presumably, other islands in the Pacific are simply too far away to colonize. What is truly surprising is that 93% of Cyanea species are restricted to individual islands, such as Kaua`i, O`ahu, Maui, and the Bi...more