In the Company of Plants and Rocks

Jon Keeley with several of his beloved quillworts (date unknown). Once again The Monthly Fern series is featuring the Prairie Quillwort and...

Prairie Quillwort is 50 centimeters tall (© 2015 Robbin Moran ); Scale Tree is 50 meters tall ( source ). Both are lycophytes—formerly ...

"now a quiet, remote monument to that violent geological time." (Smith 2025) Desert Mountain's peaks and ridges lower right qu...

Selaginella densa —moss, fern, fern ally, or none of the above? Coin is 19 mm across. This month the South Dakota fern series features anoth...