Three new Psammothidium species from lakes of Olympic and Cascade Mountains in Washington State, USA

Mihaela D. Enache; Marina Potapova; Rich Sheibley; Patrick Moran

doi:10.48580/d8nc

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Three new Psammothidium species from lakes of Olympic and Cascade Mountains in Washington State, USA

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Three new Psammothidium species from lakes of Olympic and Cascade Mountains in Washington State, USA

Mihaela D. Enache, Marina Potapova, Rich Sheibley and Patrick Moran

2025

DOI: https://doi.org/10.48580/d8nc

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Abstract

Plant Taxonomy

Populations of several Psammothidium species were found in core sediments from nine remote, high elevation, ultraoligotrophic and oligotrophic, Olympic and Cascade Mountain lakes. Three of these species, P. lacustre, P. alpinum, and P. nivale, are described here as new. The morphology of the silica frustules of these species was documented using light and scanning electron microscopy. We discuss the similarities and differences with previously described Psammothidium species.

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Title: Three new Psammothidium species from lakes of Olympic and Cascade Mountains in Washington State, USA
Creators: Mihaela D. Enache - Franklin Institute
Marina Potapova - Franklin Institute
Rich Sheibley - United States Geological Survey
Patrick Moran - United States Geological Survey
Publisher: Plazi.org taxonomic treatments database
Resource Type: Dataset
Language: English
Academic Unit: Biodiversity, Earth, and Environmental Science (BEES); Academy of Natural Sciences of Drexel University
Other Identifier: 991022164542304721

Three new Psammothidium species from lakes of Olympic and Cascade Mountains in Washington State, USA

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