Long-Term Monitoring Protocol for Galax urceolata, Sanguinaria canadensis, Cimicifuga racemosa/americana
Ulrey C. 2002. Long-Term Monitoring Protocol for Galax urceolata, Sanguinaria canadensis, Cimicifuga racemosa/americana. National Park Service
Ulrey C. 2002. Long-Term Monitoring Protocol for Galax urceolata, Sanguinaria canadensis, Cimicifuga racemosa/americana. National Park Service