Orchid (Orchidaceae) decline in the Catoctin Mountains, Frederick County, Maryland as documented by a long-term dataset
Crossref DOI link: https://doi.org/10.1007/s10531-014-0698-2
Published Online: 2014-05-01
Published Print: 2014-07
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Knapp, Wesley M.
Wiegand, Richard
License valid from 2014-05-01