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Frank and Lillian Gilbreth Collection
Zea mays subsp. mays x Z. mays subsp. mexicana (Schrad.) Iltis
Luzula luzuloides (Lam.) Dandy & Wilmott
Cladina arbuscula (Wallr.) Hale & W.L. Culb.
Schizothrix calcicola Gomont
Schizothrix calcicola Gomont
Schizothrix calcicola Gomont
Microcoleus vaginatus (Vaucher) Gomont ex Gomont
Populus simonii Carrière
Leptogium teretiusculum (Flörke & Wallr.) Arnold
Gene Nora Stumbough Jessen Papers