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 Printer-friendly version