Tag Archives: Ladd

[068-10] Addition to the Flora of Illinois

Ladd, Douglas and Robert Tatina Addition to the Flora of Illinois 068-10-print

Posted in 1975, Transactions | Tagged , , | Leave a comment

[078-28] Macrolichen Flora of Jackson County, Illinois

Gerould Wilhelm and Douglas Ladd Macrolichen Flora of Jackson County, Illinois 078-28-print

Posted in 1985, Transactions | Tagged , , , | Leave a comment