Aquifoliaceae NEBC: 00629995 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
Betulaceae NEBC: 00727289 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
Caprifoliaceae NEBC: 00713927 Lonicera villosa (Michaux) Roemer & Schultes USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
Cornaceae NEBC: 00773541 Cornus alternifolia Linnaeus f. USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00633950 Cornus stolonifera Michaux USA: Massachusetts Pittsburg J. R. Churchill, C. H. Knowlton & ... 1919-5-29
Cyperaceae NEBC: 00248014 Carex gracillima Schweinitz USA: Massachusetts Pittsfield: J. R. Churchill, C. H. Knowlton & ... 1919-5-29
Ericaceae NEBC: 00463044 Vaccinium angustifolium Aiton USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00519819 Vaccinium corymbosum Linnaeus USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
Pinaceae NEBC: 00230821 Larix laricina (Du Roi) Koch USA: Massachusetts Pittsfield: J. R. Churchill, C. H. Knowlton & ... 1919-5-29
Poaceae NEBC: 00768506 Dichanthelium acuminatum lindheimeri (Nash) Freckmann & Lelong USA: Massachusetts Colrain: Colrain J. R. Churchill, C. H. Knowlton & ... 1921-6-18
NEBC: 01148874 Schizachne purpurascens (Torrey) Swallen USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
Rosaceae NEBC: 00654013 Crataegus macrosperma Ashe USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00654015 Crataegus macrosperma Ashe USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00743169 Prunus pensylvanica Linnaeus f. USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00738247 Prunus virginiana Linnaeus USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
Salicaceae NEBC: 00653225 Salix bebbiana Sargent USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00653511 Salix discolor Muhlenberg USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00441701 Salix eriocephala Michaux USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00653992 Salix lucida Muhlenberg USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00653993 Salix lucida Muhlenberg USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00523442 Salix rubens F. v. P. v. Schrank USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
NEBC: 00641186 Salix sericea Marshall USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29
Saxifragaceae NEBC: 00730790 Ribes hirtellum Michaux USA: Massachusetts Pittsfield: Pittsfield J. R. Churchill, C. H. Knowlton & ... 1919-5-29