Alliaceae NEBC: 00573064  Allium canadense  Linnaeus USA: Massachusetts Topsfield: Topsfield   F. W. Hunnewell 19,814 1952-6-21 
Aristolochiaceae GH: 02315933  Aristolochia macrophylla  Lamarck USA: West Virginia Kennison Mt.   F. W. Hunnewell 19825 1952-8-24 
Brassicaceae NEBC: 00610749  Berteroa incana  (Linnaeus) de Candolle USA: Massachusetts North Attleborough: North Attleborough   F. W. Hunnewell 19,835 1952-7-14 
 GH: 01540909  Isatis tinctoria  Linnaeus USA: Virginia between Stephen City & Middletown   F. W. Hunnewell 19834 1952-5-8 
Caprifoliaceae NEBC: 00702552  Viburnum lentago  Linnaeus USA: Massachusetts Holden: Holden   F. W. Hunnewell 19883 1952-7-1 
Convolvulaceae NEBC: 00765041  Calystegia sepium angulata Brummitt USA: Massachusetts Holliston: Holliston   F. W. Hunnewell 19870 1952-7-14 
Cyperaceae NEBC: 01160517  Scirpus expansus  Fernald USA: Massachusetts Holden: Holden   F. W. Hunnewell 19802 1952-7-1 
 NEBC: 00892175  Scirpus hattorianus  Makino USA: Massachusetts Topsfield: Topsfield   F. W. Hunnewell 19804 1952-6-21 
 NEBC: 00892264  Scirpus hattorianus  Makino USA: Massachusetts Holden: Holden   F. W. Hunnewell 19803 1952-7-1 
Droseraceae NEBC: 00754524  Drosera rotundifolia  Linnaeus USA: Massachusetts Holliston: Holliston   F. W. Hunnewell 19839 1952-7-14 
Ericaceae GH: 00517890  Epigaea repens  Linnaeus USA: Massachusetts Holden: Holden   F. W. Hunnewell 19,867 1952-7-1 
Fabaceae GH: 00368560  Canavalia altissima  Macfadyen Jamaica:  Middlesex County: Mt. Diablo   F. W. Hunnewell 19780 1952-1-27 
 GH: 01961609  Desmodium marilandicum  (Linnaeus) de Candolle USA: Virginia near Liberty Furnace   F. W. Hunnewell 19,848 1952-9-5 
 GH: 01960019  Desmodium paniculatum  (Linnaeus) de Candolle USA: Virginia near Liberty Furnace   F. W. Hunnewell 19,849 1952-9-5 
 GH: 02150453  Lathyrus venosus  Muhlenberg ex Willdenow USA: West Virginia near Lost River   F. W. Hunnewell 19853 1952-6-3 
Fagaceae NEBC: 00662814  Quercus montana  Willdenow USA: Massachusetts North Attleborough: North Attleborough   F. W. Hunnewell 19824 1952-7-14 
Lamiaceae NEBC: 00648622  Pycnanthemum tenuifolium  Schrader USA: Massachusetts Holliston: Holliston   F. W. Hunnewell 19875 1952-7-14 
Liliaceae NEBC: 01182638  Lilium philadelphicum  Linnaeus USA: Massachusetts North Attleborough: North Attleborough   F. W. Hunnewell 19811 1952-7-14 
Lobeliaceae NEBC: 00725256  Lobelia spicata  Lamarck USA: Massachusetts Holliston: Holliston   F. W. Hunnewell 19884 1952-7-14 
Orchidaceae NEBC: 00462486  Platanthera grandiflora  (Bigelow) Lindley USA: Massachusetts Holden: Holden   F. W. Hunnewell 19,816 1952-7-1 
Orobanchaceae GH: 02033283  Aureolaria pedicularia  (Linnaeus) Rafinesque USA: Virginia Vance Cove   F. W. Hunnewell 19,877 1952-8-14 
 NEBC: 00731161  Melampyrum lineare  Desrousseaux USA: Massachusetts Holden: Holden   F. W. Hunnewell 19876 1952-7-1 
 GH: 01178549  Orobanche uniflora  Linnaeus USA: Massachusetts Holden: Holden   F. W. Hunnewell 19878 1952-7-1 
Oxalidaceae NEBC: 01013401  Oxalis stricta  Linnaeus USA: Massachusetts Hollis   F. W. Hunnewell 19855 1952-7-14 
Phrymaceae GH: 01843466  Phryma leptostachya  Linnaeus USA: Virginia Skyline Drive   F. W. Hunnewell 19,880 1952-8-25 
Poaceae NEBC: 00622880  Arrhenatherum elatius  (Linnaeus) P. Beauvois ex J. Presl & C. Presl USA: Massachusetts Topsfield: Topsfield   F. W. Hunnewell 19,794 1952-6-21 
 NEBC: 01045268  Brachyelytrum aristosum  (Michaux) P. Beauvois ex Branner & Coville USA: Massachusetts Boxford: Boxford   F. W. Hunnewell 19795 1952-6-21 
 NEBC: 00860442  Deschampsia flexuosa  (Linnaeus) Trinius USA: Massachusetts Holden: Holden   F. W. Hunnewell 19796 1952-7-1 
 NEBC: 00768496  Dichanthelium acuminatum lindheimeri (Nash) Freckmann & Lelong USA: Massachusetts Holden: Holden   F. W. Hunnewell 19800 1952-7-1 
Polygalaceae NEBC: 00720763  Polygala sanguinea  Linnaeus USA: Massachusetts Holliston: Holliston   F. W. Hunnewell 19856 1952-7-14 
Ranunculaceae GH: 00553638  Coptis trifolia  (Linnaeus) Salisbury USA: Massachusetts Holden: Holden   F. W. Hunnewell 19,829 1952-7-1 
Rosaceae GH: 01586795  Agrimonia pubescens  Wallroth USA: Virginia Laurel Run near Liberty Furnace   F. W. Hunnewell 20,007 1952-9-5 
 NEBC: 00740488  Amelanchier laevis  Wiegand USA: Massachusetts Holden: Holden   F. W. Hunnewell 19847 1952-7-1 
 NEBC: 00565671  Geum rivale  Linnaeus USA: Massachusetts Holden: Holden   F. W. Hunnewell 19,843 1952-7-1 
 GH: 01861527  Malus coronaria  (Linnaeus) Miller USA: Virginia Skyline Drive   F. W. Hunnewell 19,846 1952-8-25 
Saxifragaceae GH: 01733593  Chrysosplenium americanum  Schweinitz ex Hooker USA: Virginia Gooney Creek near Browntown   F. W. Hunnewell 19,842 1952-5-6 
 GH: 01733967  Heuchera americana glauca (Rafinesque) Rosendahl USA: Virginia near Browntown   F. W. Hunnewell 19,840 1952-5-30 
 NEBC: 00563157  Saxifraga pensylvanica  Linnaeus USA: Massachusetts Holden: Holden   F. W. Hunnewell 19,841 1952-7-1 
Smilacaceae NEBC: 00868767  Smilax herbacea  Linnaeus USA: Massachusetts Topsfield: Topsfield   F. W. Hunnewell 19809 1952-6-21