1980-1999
1980s. Elizabeth A. Kellog and Peter F. Stevens. Courtesy of The Archives of the Gray Herbarium, Harvard University
1982. Roy E. Halling photographing cryptogams in the Baltic. Courtesy of The Archives of the Farlow Herbarium of Cryptogamic Botany, Harvard University
1991. Robert Kenneth Godfrey, Jr. and an unidentified woman collecting in Tate's Hell, Florida. Courtesy of The Archives of the Gray Herbarium, Harvard University
1997, Donald H. Pfister collecting in Finland. Courtesy of The Archives of the Farlow Herbarium of Cryptogamic Botany, Harvard University
1998. Scott LaGreca collecting the lichen Ramalina siliquosa on the island of Bornholm (Denmark) in the Baltic Sea. Courtesy of The Archives of the Farlow Herbarium of Cryptogamic Botany, Harvard University