Specimens
Juglans cinerea L., Gordon C. Tucker and Edwin H. Horning
Juncus L., Gordon C. Tucker and Edwin H. Horning
Myosotis verna Nutt., Gordon C. Tucker and Edwin H. Horning
Origanum vulgare O.F.Muell., Gordon C. Tucker and Edwin H. Horning
Panicum clandestinum L., Gordon C. Tucker and Edwin H. Horning
Panicum L., Gordon C. Tucker and Edwin H. Horning
Philadelphus inodorus L., Gordon C. Tucker and Edwin H. Horning
Plantago aristata Michx., Gordon C. Tucker and Edwin H. Horning
Plantago major L., Gordon C. Tucker and Edwin H. Horning
Rosa palustris Marsh., Gordon C. Tucker and Edwin H. Horning
Rubus hispidus L., Gordon C. Tucker and Edwin H. Horning
Scleranthus , Gordon C. Tucker and Edwin H. Horning
Spergula arvensis L., Gordon C. Tucker and Edwin H. Horning
Thalictrum revolutum Dc., Gordon C. Tucker and Edwin H. Horning
Rosa carolina L., Gordon C. Tucker and Edwin H. Horning
Zostera marina Vis., Gordon C. Tucker and Edwin H. Horning
Centaurea jacea L., Gordon C. Tucker and Edwin H. Horning
Centaurea maculosa auct. non Lam., Gordon C. Tucker and Edwin H. Horning
Crataegus berberifolia Torr. & A. Gray, Gordon C. Tucker and Edwin H. Horning
Eleocharis obtusa (Willd.) J.A. Schultes, Gordon C. Tucker and Edwin H. Horning
Fraxinus americana L., Gordon C. Tucker and Edwin H. Horning
Geum canadense Jacq., Gordon C. Tucker and Edwin H. Horning
Lapsana communis L., Gordon C. Tucker and Edwin H. Horning
Malva alcea L., Gordon C. Tucker and Edwin H. Horning
Melissa officinalis L., Gordon C. Tucker and Edwin H. Horning
Mentha canadensis L., Gordon C. Tucker and Edwin H. Horning
Paulownia tomentosa Steud., Gordon C. Tucker and Edwin H. Horning
Pilea pumila (L.) A. Gray, Gordon C. Tucker and Edwin H. Horning
Plantago rugelii Decne., Gordon C. Tucker and Edwin H. Horning
Poa annua L., Gordon C. Tucker and Edwin H. Horning
Quercus palustris Münchh., Gordon C. Tucker and Edwin H. Horning
Sium suave Walt., Gordon C. Tucker and Edwin H. Horning
Taxus baccata L., Gordon C. Tucker and Edwin H. Horning
Thlaspi arvense L., Gordon C. Tucker and Edwin H. Horning
Thymus serpyllum L., Gordon C. Tucker and Edwin H. Horning
Comptonia peregrina (L.) J.M. Coult., Gordon C. Tucker, Edwin H. Horning, Maria Figueroa, and P. R. Lagname
Aronia prunifolia (Marsh.) Rehder, Gordon C. Tucker and Edwin H. Horning
Bidens connata Muhl. ex Willd., Gordon C. Tucker and Edwin H. Horning
Chenopodium strictum var. glaucophyllum (Aellen) Wahl, Gordon C. Tucker and Edwin H. Horning
Crataegus L., Gordon C. Tucker and Edwin H. Horning
Cyperus erythrorhizos Muhl., Gordon C. Tucker and Edwin H. Horning
Echinochloa walteri (Pursh) A. Heller, Gordon C. Tucker and Edwin H. Horning
Gleditsia triacanthos L., Gordon C. Tucker and Edwin H. Horning
Larix decidua P. Mill., Gordon C. Tucker and Edwin H. Horning
Lycopus uniflorus Michx., Gordon C. Tucker and Edwin H. Horning
Pinus resinosa Ait., Gordon C. Tucker and Edwin H. Horning
Polygonum hydropiper Michx., Gordon C. Tucker and Edwin H. Horning
Taxus baccata L., Gordon C. Tucker and Edwin H. Horning
Taxus cuspidata Siebold & Zucc., Gordon C. Tucker and Edwin H. Horning
Tridens flavus (L.) A.S. Hitchc., Gordon C. Tucker and Edwin H. Horning
Angelica lucida L., Gordon C. Tucker
Anaphalis margaritacea (L.) Benth., Gordon C. Tucker and Edwin H. Horning
Aster lanceolatus var. simplex (Willd.) A.G.Jones, Gordon C. Tucker and Edwin H. Horning
Aster lateriflorus (L.) Britton, Gordon C. Tucker and Edwin H. Horning
Aster tenuifolius L., Gordon C. Tucker and Edwin H. Horning
Baccharis halimifolia Moench, Gordon C. Tucker and Edwin H. Horning
Baccharis halimifolia Moench, Gordon C. Tucker and Edwin H. Horning
Bidens connata Muhl. ex Willd., Gordon C. Tucker and Edwin H. Horning
Bidens connata Muhl. ex Willd., Gordon C. Tucker and Edwin H. Horning
Bidens connata Muhl. ex Willd., Gordon C. Tucker and Edwin H. Horning
Cerastium glomeratum Thuill., Gordon C. Tucker and Edwin H. Horning
Chamaesyce maculata (L.) Small, Gordon C. Tucker and Edwin H. Horning
Chenopodium album L., Gordon C. Tucker and Edwin H. Horning
Cinna arundinacea L., Gordon C. Tucker and Edwin H. Horning
Cuscuta pentagona Engelm., Gordon C. Tucker and Edwin H. Horning
Cyperus dentatus Torr., Gordon C. Tucker and Edwin H. Horning
Cyperus erythrorhizos Muhl., Gordon C. Tucker and Edwin H. Horning
Cyperus filicinus Vahl, Gordon C. Tucker and Edwin H. Horning
Cyperus grayi Torr., Gordon C. Tucker and Edwin H. Horning
Digitaria ischaemum (Schreb.) Schreb. ex Muhl., Gordon C. Tucker and Edwin H. Horning
Dryopteris carthusiana (Vill.) H.P.Fuchs, Gordon C. Tucker and Edwin H. Horning
Dryopteris marginalis (L.) A. Gray, Gordon C. Tucker and Edwin H. Horning
Epilobium ciliatum Raf., Gordon C. Tucker and Edwin H. Horning
Hieracium scabrum Willd. ex Froel., Gordon C. Tucker and Edwin H. Horning
Hypericum gentianoides (L.) Britton, Sterns & Poggenb., Gordon C. Tucker and Edwin H. Horning
Ilex verticillata A.Gray, Gordon C. Tucker and Edwin H. Horning
Ilex verticillata A.Gray, Gordon C. Tucker and Edwin H. Horning
Iva frutescens subsp. oraria (Bartlett) R.C. Jacks., Gordon C. Tucker and Edwin H. Horning
Juncus canadensis J. Gay ex Laharpe, Gordon C. Tucker and Edwin H. Horning
Juncus canadensis J. Gay ex Laharpe, Gordon C. Tucker and Edwin H. Horning
Lycopus uniflorus Michx., Gordon C. Tucker and Edwin H. Horning
Lycopus virginicus L., Gordon C. Tucker and Edwin H. Horning
Paspalum setaceum var. psammophilum (Nash) D. Banks, Gordon C. Tucker and Edwin H. Horning
Polygonum hydropiper Michx., Gordon C. Tucker and Edwin H. Horning
Salix cinerea L., Gordon C. Tucker and Edwin H. Horning
Salix X rubens Schrank (pro sp.), Gordon C. Tucker and Edwin H. Horning
Solidago caesia L., Gordon C. Tucker and Edwin H. Horning
Solidago L., Gordon C. Tucker and Edwin H. Horning
Solidago sempervirens Michx., Gordon C. Tucker and Edwin H. Horning
Thelypteris noveboracensis (L.) Nieuwl., Gordon C. Tucker and Edwin H. Horning
Tilia cordata Mill., Gordon C. Tucker and Edwin H. Horning
Viburnum dilatatum Thunb., Gordon C. Tucker and Edwin H. Horning
Weigela floribunda (Siebold & Zucc.) K. Koch, Gordon C. Tucker and Edwin H. Horning
Anaphalis margaritacea (L.) Benth., Gordon C. Tucker and Edwin H. Horning
Aquilegia vulgaris Thunb., Gordon C. Tucker and Edwin H. Horning
Bartonia paniculata (Michx.) Muhl., Gordon C. Tucker and Edwin H. Horning
Cyperus diandrus Torr., Gordon C. Tucker and Edwin H. Horning
Cyperus iria L., Gordon C. Tucker and Edwin H. Horning
Digitaria ciliaris (Retz.) Koel., Gordon C. Tucker and Edwin H. Horning
Dryopteris intermedia (Muhl. ex Willd.) A. Gray, Gordon C. Tucker and Edwin H. Horning