Coronavirus Updates: For the latest COVID-19 news and information, visit Penn State's Coronavirus Information website.
Image courtesy of Matthew Naedel.
Square stem. Image courtesy of Matthew Naedel.
Image courtesy of Matthew Naedel.
Image courtesy of Matthew Naedel.
Image courtesy of Matthew Naedel.
Image courtesy of Matthew Naedel.
Image courtesy of Jack Harper Slide Collection
Image courtesy of Jack Harper Slide Collection