Follow

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

PDF

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

PDF

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