Leaf shape and size track habitat transitions across forest–grassland boundaries in the grass family (Poaceae)

…, SV Burke, JM Craine, MR Duvall, PC Klahs… - …, 2019 - academic.oup.com
Grass leaf shape is a strong indicator of their habitat with linear leaves predominating in
open areas and ovate leaves distinguishing forest-associated grasses. This pattern among …

[HTML][HTML] Topological data analysis as a morphometric method: using persistent homology to demarcate a leaf morphospace

…, S Gebken, T Hill, S Jansky, B Kaur, PC Klahs… - Frontiers in plant …, 2018 - frontiersin.org
Current morphometric methods that comprehensively measure shape cannot compare the
disparate leaf shapes found in seed plants and are sensitive to processing artifacts. We …

3D shape analysis of grass silica short cell phytoliths: a new method for fossil classification and analysis of shape evolution

TJ Gallaher, SZ Akbar, PC Klahs, CR Marvet… - New …, 2020 - Wiley Online Library
Fossil grass silica short cell phytoliths (GSSCP) have been used to reconstruct the
biogeography of Poaceae, untangle crop domestication history and detect past vegetation shifts. …

A maceration technique for soft plant tissue without hazardous chemicals

PC Klahs, EK McMurchie, JJ Nikkel… - Applications in Plant …, 2023 - Wiley Online Library
Premise Current methods for maceration of plant tissue use hazardous chemicals. The new
method described here improves the safety of dissection and maceration of soft plant tissues …

[BOOK][B] The vascular flora of Steele Creek Park and a quantitative study of vegetation patterns in canopy gaps, Sullivan County, Tennessee

PC Klahs - 2014 - search.proquest.com
An inventory of vascular plants was conducted in Steele Creek Park in Sullivan County,
Tennessee from March 2013 to September 2014. The park covers an area of 892 ha and lies …

Persistent homology demarcates a leaf morphospace

…, S Gebken, T Hill, S Jansky, B Kaur, P Klahs… - bioRxiv, 2017 - biorxiv.org
Current morphometric methods that comprehensively measure shape cannot compare the
disparate leaf shapes found in seed plants and are sensitive to processing artifacts. We …

Settling velocity and pollination dynamics in Diarrhena obovata, a grass of temperate forest edges and understories

P Klahs - Journal of Pollination Ecology, 2022 - pollinationecology.org
P, P2, and P4) and one slide that was dropped while it was being transferred to the slide box
(S6). … Microscopy Facility at ISU for capturing SEM images of pollen and to Sarah Klahs for …

A refined method for digitally modeling small and complex plant structures in 3D: An example from the grasses (Poaceae)

PC Klahs, TJ Gallaher, LG Clark - Applications in Plant …, 2018 - Wiley Online Library
Premise of the Study A refined procedure is described for modeling small, intricate plant
structures using computer‐aided design software. The procedure facilitates the study of wind …

1Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, Iowa 50011 USA; 2Department of Biology, University of Washington, Seattle …

PC Klahs, TJ Gallaher, DC Adams… - The biomechanics and …, 2021 - search.proquest.com
Reproductive structures in the grass family are grouped into a hierarchy of form with general
emphasis on the basic unit of the spikelet. Spikelets, which technically are modified …

The biomechanics and macroevolution of wind pollination in the grass family (Poaceae)

PC Klahs - 2021 - search.proquest.com
Flowering plants that utilize wind as a pollination vector exhibit reproductive morphology
under aerodynamic selection pressures. This creates morphology not invested in aesthetics to …