Interesting finding.
"When we looked at them in detail and brought them to the lab, I could see some of the stems actually had new growth of green lateral branches, and that said to me that these guys are regenerating in the field, and that blew my mind," she told BBC News.
"If you think of ice sheets covering the landscape, we've always thought that plants have to come in from refugia around the margins of an ice system, never considering land plants as coming out from underneath a glacier."
"When we looked at them in detail and brought them to the lab, I could see some of the stems actually had new growth of green lateral branches, and that said to me that these guys are regenerating in the field, and that blew my mind," she told BBC News.
"If you think of ice sheets covering the landscape, we've always thought that plants have to come in from refugia around the margins of an ice system, never considering land plants as coming out from underneath a glacier."