Laary Cushman

Laary Cushman
Clemson University | CU · Department of Biological Sciences



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Laary Cushman has applied his research interests to the taxonomy of plant species within extreme habitats (granite outcrops, canopy margins, temporary waters, etc.). He is mostly interested in the diversification, competition, reproduction, and genetic trajectory of these individuals. His professional experience as a field scientist & environmental consultant brings a unique strength to his research within the Appalachian forests & bottomland hardwood forests of the Southeastern United States.
Additional affiliations
July 2015 - present
Anderson University
  • Adjunct Instructor
  • I currently teach Intro. to Biology and Intro. to Env. Science


Publications (2)
A new variety of Micranthes is described from a low-elevation granite outcrop in Pickens County, South Carolina. It is similar to high elevation Micranthes petiolaris populations in leaf morphology and chloroplast DNA (cpDNA) sequences, but differs in its annual habit, floral morphology, phenology, and ecology. The variety is known only from the ty...
Conference Paper
In 2002 a unique population of Hydatica Neck. was discovered in the upper Piedmont of Pickens County, SC, growing on a low-elevation granite dome. The plants appear to be very similar to the widespread Hydatica petiolaris (Raf.) Small but display an annual life form and unique phenology, flowering during the late winter and early spring. A study wa...


Questions (3)
I have been looking for an explanation or a graph that explains what each peak represents for a polyploid individual. I understand they ar the dna content of nuclei, but,
1) do they represent each cell cycle (G1, S, G2)?
2) if so, which peak is the true ploidy of the sample, given there is a G2 peak?
See figure below as reference from and other figure from dolezel, et al.
In most Flow Cytometry (FCM) graphs in journal articles of polyploid tissue, they show evidence of polyploidy as multiple peaked histograms.
Does leaf tissue of a polyploid have 2n, 3n, 4n, and 6n cells, or are they all 3n? What are the multiple peaks, different phases of the polyploid cell cycle (G0, G1, S, G2)?
I'm trying to build a datalogger in our lab that will record PAR in canopy and sub canopies of cove forests, and came across a paper by Melbourne & Daniel (2004) "A low-cost sensor for measuring spatiotemporal variation of light intensity on the streambed.  Seems promising... but has anyone tried it outside of stream systems and under canopies?