McMullin, Troy & Anderson, Frances (2014): Common lichens of Northeastern North America. A field guide
Crossref DOI link: https://doi.org/10.1007/s13199-015-0344-0
Published Online: 2015-10-01
Published Print: 2015-07
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Seaward, Mark. R. D.
Text and Data Mining valid from 2015-07-01