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Penstemon centranthifolius, P. grinnellii, P. spectabilis, and P. palmeri in the OPGC greenhouse

Penstemon centranthifolius, P. grinnellii, P. spectabilis, and P. palmeri in the OPGC greenhouse

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Collecting leaf tissue on liquid nitrogen for RNA extraction.L to R: Paul Blischak and Aaron Wenzel

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Collecting leaf tissue on liquid nitrogen for RNA extraction. A Stanley steel thermos can be used for transporting frozen tissue across campus. OPGC is on west campus, our lab is across the river – about a 15 minute walk.

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Some samples collected in RNA Later

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