Aceraceae NEBC: 00772772  Acer pensylvanicum  Linnaeus USA: Massachusetts Shutesbury: Shutesbury   F. W. Hunnewell 11877 1931-5-30 
Alliaceae NEBC: 00573116  Allium canadense  Linnaeus USA: Massachusetts Belchertown: Belchertown   F. W. Hunnewell 12,051 1931-5-30 
 NEBC: 00734295  Allium tricoccum  Aiton USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12176 1931-9-7 
Anacardiaceae GH: 01868141  Rhus trilobata  Nuttall USA: Colorado Estes Park, Devil's Gulch   F. W. Hunnewell 12105 1931-8-17 
Apiaceae GH: 01009164  Osmorhiza claytonii  (Michaux) C. B. Clarke USA: Maine Greenwood: Greenwood   F. W. Hunnewell 11992 1931-6-13 
 GH: 01025350  Sanicula odorata  (Raf.) K.M. Pryer & L.R. Phillippe USA: New Hampshire Walpole: Walpole   F. W. Hunnewell 12188 1931-9-7 
 NEBC: 00587096  Zizia aurea  (Linnaeus) W. D. J. Koch USA: Massachusetts Bolton: Bolton   F. W. Hunnewell 11863 1931-5-17 
Apocynaceae GH: 02179331  Apocynum androsaemifolium  Linnaeus USA: Colorado Estes Park: Devils Gulch   F. W. Hunnewell 12,093 1931-8-17 
 GH: 02178120  Apocynum cannabinum  Linnaeus USA: Virginia Rocky field near Cedar Creek   F. W. Hunnewell 12,054 1931-6-24 
 GH: 02178267  Apocynum floribundum  Greene USA: Virginia Roadside   F. W. Hunnewell 12055 1931-6-27 
Aquifoliaceae NEBC: 00773967  Ilex mucronata  (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12072 1931-7-26 
Asclepiadaceae NEBC: 00572925  Asclepias incarnata pulchra [delete] (Ehrhart ex Willdenow) Woodson USA: Rhode Island Cumberland: Cumberland   F. W. Hunnewell 12,045 1931-7-19 
 GH: 00961272  Asclepias quadrifolia  Jacquin USA: Virginia near Liberty Furnace   F. W. Hunnewell 11,939 1931-6-27 
 GH: 01082841  Asclepias viridiflora  Rafinesque USA: Virginia near Cedar Creek   F. W. Hunnewell 12,015 1931-6-24 
Asteraceae NEBC: 01007561  Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Belchertown: Belchertown   F. W. Hunnewell 11918 1931-5-30 
 GH: 01923594  Brickellia grandiflora  (Hooker) Nuttall USA: Colorado Fish Creek   F. W. Hunnewell 12117 1931-8-14 
 NEBC: 00574449  Eurybia macrophylla  (Linnaeus) Cassini USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12075 1931-7-26 
 GH: 01017008  Helianthus divaricatus  Linnaeus USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12068 1931-7-26 
 NEBC: 00587749  Hieracium piloselloides  Villars USA: Maine Hebron: Hebron   F. W. Hunnewell 12011 1931-6-13 
 GH: 02192806  Liatris punctata  Hooker USA: Colorado Big Thompson Cañon   F. W. Hunnewell 12,092 1931-8-17 
 NEBC: 01038864  Packera schweinitziana  (Nutt.) W.A. Weber & Á. Löve USA: Maine Paris: Paris   F. W. Hunnewell 11972 1931-6-14 
 NEBC: 01064027  Solidago odora  Aiton USA: Massachusetts Sherborn: Sherborn   F. W. Hunnewell 12073 1931-8-2 
 NEBC: 01064048  Solidago odora  Aiton USA: Massachusetts North Carver   F. W. Hunnewell 2321 1931-8-31 
Athyriaceae NEBC: 00733705  Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11893 1931-5-31 
 NEBC: 00746620  Cystopteris tenuis  (Michaux) Desvaux USA: Massachusetts Granby: Granby   F. W. Hunnewell 11874 1931-5-30 
 NEBC: 00551643  Deparia acrostichoides  (Swartz) M. Kato USA: Massachusetts Granby: Granby   F. W. Hunnewell 11915 1931-5-30 
 NEBC: 00551887  Matteuccia struthiopteris  (Linnaeus) Todaro USA: Massachusetts Granby: Granby   F. W. Hunnewell 11871 1931-5-30 
Boraginaceae GH: 00638527  Hackelia virginiana  (Linnaeus) I. M. Johnston USA: New Hampshire Walpole: Walpole   F. W. Hunnewell 12,183 1931-9-7 
 GH: 02058031  Mertensia lanceolata  (Pursh) de Candolle USA: Colorado Long's Peak Inn   F. W. Hunnewell 12166 1931-8-11 
 GH: 02143219  Plagiobothrys scouleri penicillatus (Greene) Cronquist USA: Colorado Horse Shoe Park   F. W. Hunnewell 12,220 1931-8-14 
Brassicaceae NEBC: 00757012  Boechera missouriensis  (Greene) Al-Shehbaz USA: Massachusetts Granby: Granby   F. W. Hunnewell 11875 1931-5-30 
 GH: 00992156  Draba streptocarpa  A. Gray USA: Colorado Emerald Lake   F. W. Hunnewell 12099 1931-8-10 
Campanulaceae GH: 01795189  Campanula americana  Linnaeus USA: Virginia [no additional data]   F. W. Hunnewell 11,933 1931-7-4 
Caprifoliaceae NEBC: 00682538  Lonicera canadensis  Bartram ex Marsh. USA: Massachusetts Leverett: Leverett   F. W. Hunnewell 11889 1931-5-31 
 NEBC: 00682674  Lonicera dioica  Linnaeus USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11901 1931-5-31 
 NEBC: 00682680  Lonicera dioica  Linnaeus USA: Massachusetts Belchertown: Belchertown   F. W. Hunnewell 11910 1931-5-30 
 NEBC: 00702274  Viburnum acerifolium  Linnaeus USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11897 1931-5-31 
 NEBC: 00687824  Viburnum lantanoides  Michaux USA: Massachusetts Leverett: Leverett   F. W. Hunnewell 11891 1931-5-31 
 NEBC: 00702565  Viburnum lentago  Linnaeus USA: Massachusetts Belchertown: Belchertown   F. W. Hunnewell 11913 1931-5-30 
 NEBC: 00611021  Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Maine Greenwood: Greenwood   F. W. Hunnewell 11,984 1931-6-13 
 NEBC: 00691541  Viburnum opulus trilobum (Marsh) Clausen USA: Maine Paris: Paris   F. W. Hunnewell 11,976 1931-6-14 
Cistaceae NEBC: 00569257  Lechea intermedia juniperina (E. P. Bicknell) B. L. Robinson USA: Maine Hebron: Hebron   F. W. Hunnewell 11,966 1931-6-13 
Convolvulaceae GH: 01156250  Cuscuta tinctoria  Martius ex Engelmann Mexico: Guerrero [data not captured]   F. W. Hunnewell 11789 1931-2-27 
 GH: 01164177  Ipomoea bracteata  Cavanilles Mexico:  [data not captured]   F. W. Hunnewell 11810 1931-2-27 
 GH: 01164923  Ipomoea murucoides  Roemer & Schultes Mexico:  [data not captured]   F. W. Hunnewell 11825 1931-2-28 
 GH: 02042401  Ipomoea pandurata  Conzatti & L. C. Smith USA: Virginia near Strasburg   F. W. Hunnewell 11,922 1931-6-26 
Cornaceae NEBC: 00502622  Cornus rugosa  Lamarck USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12066 1931-7-26 
Cyperaceae NEBC: 01182830  Bulbostylis capillaris  (Linnaeus) Kunth ex C. B. Clarke USA: Massachusetts Sudbury: Sudbury   F. W. Hunnewell 17401 1931-7-15 
 NEBC: 00217578  Carex argyrantha  Tuckerman ex Dewey USA: Massachusetts Sharon:    F. W. Hunnewell 12274 1931-7-26 
 NEBC: 00216414  Carex atlantica  L. H. Bailey USA: Massachusetts Natick:    F. W. Hunnewell 12273 1931-7-21 
 NEBC: 00222591  Carex communis communis  USA: Massachusetts Granby:    F. W. Hunnewell 12271 1931-5-30 
 NEBC: 00222876  Carex comosa  Boott USA: Rhode Island Cumberland:    F. W. Hunnewell 12044 1931-7-19 
 NEBC: 00229971  Carex disperma  Dewey USA: Maine Paris:    F. W. Hunnewell 11988 1931-6-14 
 NEBC: 01030371  Carex laxiflora  Lamarck USA: Massachusetts Granby: Granby   F. W. Hunnewell 12278 1931-5-30 
 NEBC: 00726038  Carex mitchelliana  M. A. Curtis USA: Rhode Island Cumberland: Cumberland   F. W. Hunnewell 12048 1931-7-19 
 NEBC: 01029141  Carex prasina  Wahlenberg USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11899 1931-5-31 
 NEBC: 00802271  Carex scabrata  Schweinitz USA: New Hampshire Walpole: Walpole   F. W. Hunnewell 12213 1931-9-7 
 NEBC: 00874817  Carex vestita  Willdenow USA: Massachusetts Franklin: Franklin   F. W. Hunnewell 12053 1931-7-19 
 NEBC: 00714201  Eleocharis obtusa  (Willdenow) Schultes USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12,217 1931-9-7 
 NEBC: 01042119  Eriophorum viridicarinatum  (Engelmann) Fernald USA: Massachusetts Leverett: Leverett   F. W. Hunnewell 11885 1931-5-31 
 NEBC: 00894621  Scirpus atrocinctus  Fernald USA: Massachusetts Natick: Natick   F. W. Hunnewell 12061 1931-7-21 
 NEBC: 00894621  Scirpus cyperinus  (Linnaeus) Kunth USA: Massachusetts Natick: Natick   F. W. Hunnewell 12061 1931-7-21 
 NEBC: 00808179  Scirpus microcarpus  J. Presl & C. Presl USA: Maine Oxford: Oxford   F. W. Hunnewell 11986 1931-7-13 
Dryopteridaceae NEBC: 00657759  Dryopteris marginalis  (Linnaeus) A. Gray USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11892 1931-5-31 
Ericaceae GH: 01562347  Chimaphila umbellata occidentalis (Rydberg) S. F. Blake USA: Colorado near Fern Lake   F. W. Hunnewell 12154 1931-8-19 
 GH: 01562348  Chimaphila umbellata occidentalis (Rydberg) S. F. Blake USA: Colorado Estes Park: [no additional data]   F. W. Hunnewell 12085 1931-8-16 
 NEBC: 00517923  Epigaea repens  Linnaeus USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11895 1931-5-31 
 GH: 01591900  Gaultheria humifusa  (Graham) Rydberg USA: Colorado Estes Park: Flat Top Mt.   F. W. Hunnewell 12128 1931-8-19 
 GH: 01594179  Kalmia microphylla  (Hooker) A. Heller USA: Colorado Dream Lake   F. W. Hunnewell 12080 1931-8-10 
 GH: 01718823  Menziesia pilosa  (Michaux) Jussieu USA: West Virginia Pott's Mt.   F. W. Hunnewell 12017 1931-7-1 
 GH: 01719336  Monotropa hypopitys  Linnaeus USA: Virginia Three Top Mountain   F. W. Hunnewell 12228 1931-9-18 
 GH: 01719972  Orthilia secunda  (Linnaeus) House USA: Colorado Estes Park: [no additional data]   F. W. Hunnewell 12084 1931-8-16 
 NEBC: 00519838  Vaccinium corymbosum  Linnaeus USA: Rhode Island Cumberland: Cumberland   F. W. Hunnewell 12,043 1931-7-19 
 NEBC: 00517137  Vaccinium pallidum  Aiton USA: Massachusetts Southborough: Southborough   F. W. Hunnewell 11,861 1931-5-17 
 NEBC: 00517150  Vaccinium pallidum  Aiton USA: Massachusetts Belchertown: Belchertown   F. W. Hunnewell 11,909 1931-5-30 
Euphorbiaceae GH: 00246264  Euphorbia   Linnaeus Mexico: Guerrero near Taxco-Alarcon   F. W. Hunnewell 11859 1931-2-27 
 GH: 00246264  Euphorbia leucantha  (Klotzsch & Garcke) Boissier Mexico: Guerrero near Taxco-Alarcon   F. W. Hunnewell 11859 1931-2-27 
Fabaceae GH: 01961334  Desmodium glabellum  (Michaux) de Candolle USA: Virginia Cedar Creek   F. W. Hunnewell 12,241 1931-9-21 
 NEBC: 00654464  Desmodium glutinosum  (Muhlenberg ex Willdenow) Alph. Wood USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12065 1931-7-27 
 GH: 02087875  Lespedeza violacea  (Linnaeus) Persoon USA: Virginia near Middletown   F. W. Hunnewell 12,203 1931-9-20 
 GH: 02136885  Stylosanthes riparia  Kearney USA: West Virginia [data not captured]   F. W. Hunnewell 11947 1931-6-30 
 GH: 02136882  Stylosanthes riparia  Kearney USA: Virginia [data not captured]   F. W. Hunnewell 12200 1931-9-18 
Gentianaceae GH: 02069948  Gentiana affinis  Grisebach USA: Colorado [no additional data]   F. W. Hunnewell 12137 1931-8-11 
 GH: 02072203  Gentiana algida  Pallas USA: Colorado Flat Top Mt.   F. W. Hunnewell 12,126 1931-8-19 
 NEBC: 00726581  Gentiana clausa  Rafinesque USA: New Hampshire Walpole: Walpole   F. W. Hunnewell 12185 1931-9-7 
 GH: 02167487  Gentianella amarella acuta (Michaux) J. M. Gillett USA: Colorado Horseshoe Park   F. W. Hunnewell 12,143 1931-8-14 
Hydrangeaceae GH: 01737205  Hydrangea arborescens  Linnaeus USA: Virginia Long Mt.   F. W. Hunnewell 12,022 1931-6-27 
Hypoxidaceae NEBC: 00485926  Hypoxis hirsuta  (Linnaeus) Coville USA: Massachusetts Granby: Granby   F. W. Hunnewell 11,911 1931-5-30 
Iridaceae NEBC: 00894182  Sisyrinchium montanum crebrum Fernald USA: Massachusetts Leverett: Leverett   F. W. Hunnewell 11917 1931-5-30 
Juncaceae NEBC: 01025739  Juncus brachycephalus  (Engelmann) Buchenau USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12216 1931-9-7 
 GH: 02102110  Juncus drummondii  E. Meyer USA: Colorado Dream Lake   F. W. Hunnewell 12,083 1931-8-10 
 NEBC: 00859882  Juncus nodosus  Linnaeus USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12215 1931-9-7 
 GH: 02398520  Juncus scirpoides  Lamarck USA: Virginia [data not captured]   F. W. Hunnewell 12,220 1931-9-21 
 GH: 02366510  Luzula parviflora melanocarpa (Michaux) Hämet-Ahti USA: Colorado Dream Lake   F. W. Hunnewell 12,113 1931-8-10 
Lamiaceae NEBC: 01018243  Mentha canadensis  Linnaeus USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12077 1931-7-26 
 GH: 01599066  Monarda fistulosa menthifolia (Graham) Fernald USA: Colorado St. Vrain Creek   F. W. Hunnewell 12135 1931-8-15 
 GH: 01597610  Pycnanthemum incanum  (Linnaeus) Michaux USA: Virginia Passage Creek, Massanutten Mt.   F. W. Hunnewell 12,222 1931-9-21 
 GH: 01696960  Scutellaria brittonii  Porter USA: Colorado Estes Park: Gem Lake   F. W. Hunnewell 12103 1931-8-17 
 NEBC: 00602405  Teucrium canadense virginicum (Linnaeus) Eaton USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12223 1931-9-7 
Lauraceae NEBC: 00683138  Sassafras albidum  (Nuttall) Nees USA: Massachusetts Southborough: Southborough   F. W. Hunnewell 11858 1931-5-17 
Lentibulariaceae NEBC: 00568224  Utricularia cornuta  Michaux USA: Massachusetts Natick: Natick   F. W. Hunnewell 12059 1931-7-21 
Liliaceae NEBC: 00880818  Lilium philadelphicum  Linnaeus USA: Rhode Island Providence: Providence   F. W. Hunnewell 12063 1931-7-19 
 NEBC: 00868600  Polygonatum pubescens  (Willdenow) Pursh USA: Massachusetts Granby: Granby   F. W. Hunnewell 12116 1931-5-30 
 NEBC: 00575963  Trillium cernuum  Linnaeus USA: Massachusetts Bolton: Bolton   F. W. Hunnewell 11,857 1931-5-17 
 NEBC: 00810414  Trillium undulatum  Willdenow USA: Maine Hebron: Hebron   F. W. Hunnewell 12031 1931-6-13 
 NEBC: 00810639  Trillium undulatum  Willdenow USA: Massachusetts Leverett: Leverett   F. W. Hunnewell 11888 1931-5-31 
 NEBC: 00810848  Uvularia perfoliata  Linnaeus USA: Massachusetts Belchertown: Belchertown   F. W. Hunnewell 11914 1931-5-30 
 NEBC: 00869767  Uvularia sessilifolia  Linnaeus USA: Massachusetts Leverett: Leverett   F. W. Hunnewell 11887 1931-5-31 
Linaceae GH: 02054136  Linum sulcatum  Riddell USA: Virginia Strasburg   F. W. Hunnewell 12,260 1931-9-19 
Loranthaceae GH: 00035588  Cladocolea loniceroides  (Tieghem) Kuijt Mexico: Morelos Cuernavaca, alt. ca. 7000 feet   F. W. Hunnewell 11854 1931-2-28 
 GH: 00035588  Struthanthus hunnewellii  I. M. Johnston Mexico: Morelos Cuernavaca, alt. ca. 7000 feet   F. W. Hunnewell 11854 1931-2-28 
Melastomataceae NEBC: 01072254  Rhexia virginica  Linnaeus USA: Rhode Island Cumberland: Cumberland   F. W. Hunnewell 12046 1931-7-19 
Nyctaginaceae GH: 01846010  Mirabilis linearis  (Pursh) Heimerl USA: Colorado Estes Park: Big Thompson Creek   F. W. Hunnewell  1931-8-18 
Oleaceae GH: 01849843  Fraxinus pennsylvanica  Marshall USA: Virginia by Passage Creek, Mt. Massanutten   F. W. Hunnewell 12,221 1931-9-21 
Orchidaceae NEBC: 00834320  Coeloglossum viride bracteata (Muhlenberg) Grey USA: Maine Greenwood: Greenwood   F. W. Hunnewell 12049 1931-6-13 
 NEBC: 00462082  Corallorhiza maculata  (Rafinesque) Rafinesque USA: Massachusetts Sherborn: Sherborn, by Farm Pond   F. W. Hunnewell  1931-7-21 
 AMES: 01938277  Corallorhiza maculata  (Rafinesque) Rafinesque USA: Colorado near Fern Lake, Estes Park   F. W. Hunnewell 12124 1931-8-19 
 NEBC: 00834545  Corallorhiza trifida bracteata Chatelain USA: Maine Hebron: Hebron   F. W. Hunnewell 12032 1931-6-13 
 AMES: 01937741  Cypripedium fasciculatum  Kellogg ex S. Watson USA: Colorado Fern Lake   F. W. Hunnewell 12309 1931-8-19 
 AMES: 02032991  Goodyera oblongifolia  Rafinesque USA: Colorado Fern Lake   F. W. Hunnewell 12308 1931-8-19 
 NEBC: 01021224  Goodyera pubescens  (Willdenow) R. Brown USA: Massachusetts Granby: Granby   F. W. Hunnewell 11867 1931-5-30 
 NEBC: 01016573  Goodyera tesselata  Loddiges USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12191 1931-9-7 
 NEBC: 00728579  Liparis liliifolia  (Linnaeus) Richard ex Lindley USA: Massachusetts Granby: Granby   F. W. Hunnewell 12115 1931-5-30 
 AMES: 01055691  Platanthera hookeri herbiola (Torrey ex A. Gray) Lindley USA: Maine Greenwood: Greenwood   F. W. Hunnewell 12036 1931-6-13 
 NEBC: 00462727  Platanthera lacera  (Michaux) G. Don USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12,071 1931-7-26 
 NEBC: 01063751  Spiranthes lacera gracilis (Bigelow) Luer USA: New Hampshire Walpole: Walpole   F. W. Hunnewell 12184 1931-9-7 
 GH: 02302907  Spiranthes romanzoffiana  Chamisso USA: Colorado Horse Shore Park   F. W. Hunnewell 12165 1931-8-14 
Orobanchaceae GH: 02033089  Aureolaria levigata  (Rafinesque) Rafinesque USA: Virginia Passage Creek Mt. Massanutten   F. W. Hunnewell 12,211 1931-9-21 
 NEBC: 00561457  Aureolaria pedicularia  (Linnaeus) Rafinesque USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12,074 1931-7-26 
 NEBC: 00503207  Pedicularis canadensis  Linnaeus USA: Massachusetts Shutesbury: Shutesbury   F. W. Hunnewell 11,876 1931-5-30 
Osmundaceae NEBC: 00772022  Osmunda regalis spectabilis (Willdenow) A. Gray USA: Massachusetts Granby: Granby   F. W. Hunnewell 11868 1931-5-30 
Plantaginaceae GH: 01046580  Besseya alpina  (A. Gray) Rydberg USA: Colorado Estes Park: [no additional data]   F. W. Hunnewell 12095 1931-8-10 
 GH: 00502324  Gratiola aurea  Muhlenberg USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12,069 1931-7-26 
Poaceae NEBC: 01175244  Aristida dichotoma  Michaux USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12214 1931-9-7 
 NEBC: 00880100  Bromus latiglumis  (Shear) Hitchcock USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12195 1931-9-7 
 NEBC: 00865633  Bromus ramosus  Hudson USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12078 1931-7-26 
 NEBC: 00835783  Cinna latifolia  (Treviranus ex Göppert) Grisebach USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12194 1931-9-7 
 NEBC: 00635662  Dichanthelium boreale  (Nash) Freckmann USA: Maine Paris: Paris   F. W. Hunnewell 11994 1931-6-14 
 NEBC: 00635838  Dichanthelium depauperatum  (Muhlenberg) Gould USA: Massachusetts Franklin: Franklin   F. W. Hunnewell 12052 1931-7-17 
 NEBC: 00863423  Elymus virginicus  Linnaeus USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12224 1931-9-7 
 NEBC: 00853883  Muhlenbergia frondosa  (Poiret) Fernald USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12193 1931-9-7 
 NEBC: 01150703  Oryzopsis asperifolia  Michaux USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11903 1931-5-31 
 NEBC: 01150706  Oryzopsis asperifolia  Michaux USA: Massachusetts Shutesbury: Shutesbury   F. W. Hunnewell 11879 1931-5-30 
 NEBC: 00853385  Panicum virgatum  Linnaeus USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12189 1931-9-7 
 NEBC: 01150874  Piptatherum racemosum  (Smith) Eaton USA: New Hampshire Merrimack: Merrimack   F. W. Hunnewell 12192 1931-9-7 
Polemoniaceae GH: 01694212  Polemonium brandegeei  (A. Gray) Greene USA: Colorado Estes Park: Emerald Lake   F. W. Hunnewell 12097 1931-8-10 
 GH: 01694353  Polemonium foliosissimum  A. Gray USA: Colorado Estes Park: No. Fork Big Thompson Cañon   F. W. Hunnewell 12104 1931-8-18 
Polygalaceae NEBC: 00558218  Polygala paucifolia  Willdenow USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11904 1931-5-31 
 NEBC: 00558235  Polygala paucifolia  Willdenow USA: Massachusetts Belchertown: Belchertown   F. W. Hunnewell 11880 1931-5-30 
Pteridaceae NEBC: 00681387  Adiantum pedatum  Linnaeus USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11896 1931-5-31 
 NEBC: 00681395  Adiantum pedatum  Linnaeus USA: Massachusetts Granby: Granby   F. W. Hunnewell 11870 1931-5-30 
Ranunculaceae GH: 01720207  Aconitum columbianum  Nuttall USA: Colorado near Long's Peak Inn   F. W. Hunnewell 12150 1931-8-11 
 GH: 01720209  Aconitum columbianum  Nuttall USA: Colorado Dream Lake   F. W. Hunnewell 12149 1931-8-10 
 NEBC: 00562109  Actaea pachypoda  Elliott USA: Massachusetts Granby: Granby   F. W. Hunnewell 11,872 1931-5-30 
 NEBC: 00485463  Aquilegia canadensis  Linnaeus USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11,908 1931-5-31 
 GH: 01710540  Cimicifuga racemosa  (Linnaeus) Nuttall USA: Virginia Long Mt.   F. W. Hunnewell 12,019 1931-6-27 
 NEBC: 00595914  Hepatica acutiloba  de Candolle USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12175 1931-9-7 
 NEBC: 01020693  Ranunculus allegheniensis  Britton USA: Massachusetts Natick: Natick, "Indian Farm"   F. W. Hunnewell 11856 1931-5-24 
Rhamnaceae GH: 01789458  Ceanothus fendleri  A. Gray USA: Colorado St. Vrain Creek   F. W. Hunnewell 12138 1931-8-15 
Rosaceae NEBC: 00649651  Agrimonia gryposepala  Wallroth USA: New Hampshire Walpole: Walpole   F. W. Hunnewell 12187 1931-9-7 
 GH: 00740641  Amelanchier stolonifera  Wiegand USA: Maine Oxford: Oxford   F. W. Hunnewell 12012 1931-6-13 
 GH: 01587370  Cercocarpus montanus  Rafinesque USA: Colorado Estes Park: Devil's Gulch   F. W. Hunnewell 12,094 1931-8-17 
 NEBC: 00644069  Dalibarda repens  Linnaeus USA: Massachusetts Leverett: Leverett   F. W. Hunnewell 11894 1931-5-31 
 NEBC: 00565685  Geum rivale  Linnaeus USA: Massachusetts Leverett: Leverett   F. W. Hunnewell 11,884 1931-5-31 
 GH: 00994752  Holodiscus discolor dumosus (Nuttall ex Hooker) Dippel USA: Colorado Estes Park: [no additional data]   F. W. Hunnewell 12119 1931-8-19 
 GH: 01590540  Physocarpus monogynus  (Torrey) J. M. Coulter USA: Colorado Long's Peak Inn   F. W. Hunnewell 12131 1931-8-11 
 GH: 01567406  Potentilla effusa  Douglas ex Lehmann USA: Colorado Estes Park: Gem Lake   F. W. Hunnewell 12,139 1931-8 
 NEBC: 00742824  Prunus susquehanae  Willdenow USA: Massachusetts Southborough: Southborough   F. W. Hunnewell 11860 1931-5-17 
 GH: 01557041  Rosa acicularis sayi (Schweinitz) W. H. Lewis USA: Colorado Horse Shoe Park   F. W. Hunnewell 12159 1931-8-14 
Rubiaceae GH: 02139108  Galium pilosum  Aiton USA: Virginia [data not captured]   F. W. Hunnewell 12,261 1931-9-19 
Salicaceae NEBC: 00653188  Salix bebbiana  Sargent USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11906 1931-5-31 
Santalaceae NEBC: 00575460  Comandra umbellata  (Linnaeus) Nuttall USA: Massachusetts Granby: Granby   F. W. Hunnewell 11866 1931-5-30 
Saxifragaceae GH: 01735663  Heuchera pubescens  Pursh USA: Virginia Long Mt.   F. W. Hunnewell 12,016 1931-6-27 
 GH: 01621079  Saxifraga debilis  Engelmann ex A. Gray USA: Colorado Flat Top Mt.   F. W. Hunnewell 12152 1931-8-19 
 NEBC: 00563173  Saxifraga pensylvanica  Linnaeus USA: Massachusetts Leverett: Leverett   F. W. Hunnewell 11,886 1931-5-31 
 NEBC: 01038970  Tiarella cordifolia  Linnaeus USA: Massachusetts New Salem: New Salem   F. W. Hunnewell 11900 1931-5-31 
Scrophulariaceae GH: 02041724  Scrophularia lanceolata  Pursh USA: Colorado Estes Park: Fish Creek   F. W. Hunnewell 12,133 1931-8-14 
Selaginellaceae GH: 02075273  Selaginella densa  Rydberg USA: Colorado Estes Park   F. W. Hunnewell 12147 1931-8-13 
 GH: 02075272  Selaginella densa  Rydberg USA: Colorado Flat Top Mt.   F. W. Hunnewell 12157 1931-8-19 
Smilacaceae NEBC: 01030282  Smilax glauca  Walter USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12067 1931-7-26 
Solanaceae GH: 01541353  Physalis heterophylla  Nees USA: Virginia [no additional data]   F. W. Hunnewell 12, 056 1931-6-27 
Staphyleaceae GH: 00752271  Staphylea trifolia  Linnaeus USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12177 1931-9-7 
Thelypteridaceae NEBC: 00631716  Phegopteris connectilis  (Michaux) Watt USA: Massachusetts Belchertown: Belchertown   F. W. Hunnewell 11881 1931-5-30 
 NEBC: 00708460  Thelypteris palustris pubescens (G. Lawson) Fernald USA: Massachusetts Sharon: Sharon   F. W. Hunnewell 12076 1931-7-26 
Thymelaeaceae GH: 00754222  Dirca palustris  Linnaeus USA: New Hampshire Walpole: Walpole   F. W. Hunnewell 12,182 1931 
Ulmaceae NEBC: 00702691  Celtis occidentalis  Linnaeus USA: New Hampshire Claremont: Claremont   F. W. Hunnewell 12190 1931-9-7 
Violaceae NEBC: 00560993  Viola labradorica  Schrank USA: Massachusetts New Salem: New Salem   F. W. Hunnewell  1931-5-31 
 NEBC: 00760384  Viola pallens  (Banks ex Gingins) Brainerd USA: Massachusetts Leverett: Leverett   F. W. Hunnewell 11890 1931-5-31 
 NEBC: 00659601  Viola porteriana  Pollard (pro sp.) USA: Massachusetts Shutesbury: Shutesbury   F. W. Hunnewell 11878 1931-5-30 
 NEBC: 00687492  Viola renifolia  A. Gray USA: Maine Greenwood: Greenwood   F. W. Hunnewell 11,995 1931-6-13 
Vitaceae GH: 00814254  Vitis tiliifolia  Humboldt & Bonpland ex Schultes Mexico: Guerrero [no additional data]   F. W. Hunnewell 11801 1931-2-27