Asclepiadaceae GH: 00961220 Asclepias quadrifolia Jacquin USA: New York Canaan Hill, New Lebanon A. K. Harrison 1906-6-19
Aspleniaceae GH: 02068209 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Pennsylvania near east end of Penn. R.R. bridge, 2 mi +/-... A. K. Harrison 1906-11-4
Asteraceae GH: 02216202 Chrysopsis mariana (Linnaeus) Elliott USA: New York Long Island: [data not captured] A. K. Harrison 1906-8-23
GH: 02217121 Mikania scandens (Linnaeus) Willdenow USA: New York Long Island: Patchogue A. K. Harrison 1906-8-24
GH: 02584597 Pityopsis falcata (Pursh) Nuttall USA: New York [data not captured] A. K. Harrison 1906-8-23
Athyriaceae NEBC: 00662965 Onoclea sensibilis Linnaeus USA: Massachusetts Mount Greylock A. K. Harrison 1906-6-30
Betulaceae GH: 02071013 Betula sp. USA: Michigan [data not captured] A. K. Harrison 1906-11-20
Caprifoliaceae GH: 02039932 Lonicera dioica Linnaeus USA: New York Canaan Hill, New Lebanon A. K. Harrison 1906-6-19
Cyperaceae NEBC: 00214345 Carex albursina E. Sheldon USA: Massachusetts Williamstown: Northeast side of the Bluffs, ... A. K. Harrison 2001 1906-6-28
NEBC: 00214927 Carex appalachica J. M. Webber & P. W. Ball USA: Massachusetts Williamstown: Northeast side of the Bluffs, ... A. K. Harrison 2011 1906-6-28
NEBC: 00214929 Carex appalachica J. M. Webber & P. W. Ball USA: Massachusetts Williamstown: Northeast side of the Bluffs, ... A. K. Harrison 2013 1906-6-27
NEBC: 00216320 Carex arctata Boott USA: Massachusetts Williamstown: Greylock Mountain, northeast s... A. K. Harrison 2003 1906-6-28
NEBC: 00218681 Carex brunnescens (Persoon) Poiret USA: Massachusetts Williamstown: Along brook at campground sout... A. K. Harrison 2010 1906-6-24
NEBC: 00218682 Carex brunnescens (Persoon) Poiret USA: Massachusetts Adams: Summit of Greylock Mountain A. K. Harrison 2009 1906-6-21
NEBC: 00222624 Carex communis communis USA: Massachusetts Williamstown: Northeast side of The Bluffs, ... A. K. Harrison 2002 1906-6-29
NEBC: 00228267 Carex crawfordii Fernald USA: Massachusetts Adams: Summit of Greylock Mountain A. K. Harrison 2015 1906-6-21
NEBC: 00260095 Carex crinita gynandra (Schweinitz) Schweinitz & Torrey USA: Massachusetts Williamstown: At Camp Ground south of Shattu... A. K. Harrison 2014 1906-6-24
NEBC: 00229263 Carex debilis rudgei L. H. Bailey USA: Massachusetts Adams: Summit of Greylock Mountain A. K. Harrison 2017 1906-6-21
NEBC: 00229282 Carex debilis rudgei L. H. Bailey USA: Massachusetts Adams: "The short cut" south side of the sum... A. K. Harrison 2018 1906-6-27
NEBC: 00229283 Carex debilis rudgei L. H. Bailey USA: Massachusetts Williamstown: At the Camp Ground south of Sh... A. K. Harrison 2016 1906-6-24
NEBC: 00229648 Carex deweyana deweyana USA: Massachusetts Williamstown: Northeast base of The Bluffs (... A. K. Harrison 2021 1906-6-27
NEBC: 00260095 Carex gynandra Schweinitz USA: Massachusetts Williamstown: At Camp Ground south of Shattu... A. K. Harrison 2014 1906-6-24
NEBC: 00299288 Carex intumescens Rudge USA: Massachusetts Adams: Summit of Greylock Mt A. K. Harrison 2000 1906-6-21
GH: 01772153 Carex lupulina Muhlenberg ex Willdenow Canada: Ontario [data not captured] A. K. Harrison 1906-7-21
NEBC: 00808635 Carex lurida Wahlenberg USA: Massachusetts Williamstown: Williamstown A. K. Harrison 1906-6-25
NEBC: 01161231 Carex pallescens Linnaeus USA: Massachusetts Williamstown: Williamstown A. K. Harrison 2005 1906-6-30
NEBC: 00802367 Carex scabrata Schweinitz USA: Massachusetts Williamstown: Williamstown A. K. Harrison 2007 1906-6-24
NEBC: 01059117 Carex swanii (Fernald) Mackenzie USA: Massachusetts Williamstown: Williamstown A. K. Harrison 2020 1906-6-19
Dennstaedtiaceae GH: 00681324 Dennstaedtia punctilobula (Michaux) T. Moore USA: Massachusetts Mount Greylock A. K. Harrison 1906-6-29
Dryopteridaceae NEBC: 00657784 Dryopteris marginalis (Linnaeus) A. Gray USA: Massachusetts Greylock Mountain A. K. Harrison 1906-6-28
Ericaceae GH: 01536408 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Michigan granite ledge near north side of Section 21;... A. K. Harrison 1906-11-18
Fabaceae GH: 02129986 Medicago sativa Linnaeus USA: Michigan [data not captured] A. K. Harrison 1906-8-10
Geraniaceae GH: 01866255 Geranium robertianum Linnaeus USA: New York Canaan Hill. New Lebanon A. K. Harrison 1906-6-19
Juncaceae NEBC: 00880275 Luzula multiflora (Ehrhart) Lejeune USA: Massachusetts Williamstown: Williamstown A. K. Harrison 2023 1906-6-30
NEBC: 00880366 Luzula parviflora (Ehrhart) Desvaux USA: Massachusetts Adams: Adams A. K. Harrison 2024 1906-6-21
Lobeliaceae GH: 01798426 Lobelia kalmii Linnaeus USA: Michigan Flint A. K. Harrison 1906-8-8
Lycopodiaceae NEBC: 00632309 Spinulum annotinum (Linnaeus) A. Haines USA: Massachusetts New Ashford: New Ashford A. K. Harrison 1906-6-30
Ophioglossaceae GH: 00739154 Botrychium lanceolatum angustisegmentum (Pease & A. H. Moore) R. T. Clausen USA: Massachusetts Williamstown: Williamstown A. K. Harrison 1906-6-23
NEBC: 00639318 Botrychium multifidum (S. G. Gmelin) Ruprecht USA: Massachusetts Williamstown: Williamstown A. K. Harrison 1906-6-24
Orchidaceae NEBC: 00834473 Coeloglossum viride bracteata (Muhlenberg) Grey USA: Massachusetts Prospect Mountain A. K. Harrison 1906-6-25
NEBC: 00692989 Coeloglossum viride bracteata (Muhlenberg) Grey USA: Massachusetts Prospect Mountain A. K. Harrison 1906-6-25
NEBC: 00692995 Coeloglossum viride bracteata (Muhlenberg) Grey USA: Massachusetts Greylock Mountain A. K. Harrison 1906-6-29
NEBC: 00692988 Coeloglossum viride bracteata (Muhlenberg) Grey USA: Massachusetts Greylock Mountain A. K. Harrison 1906-6-25
NEBC: 01021128 Corallorhiza trifida Châtelain USA: Massachusetts Williamstown: Williamstown A. K. Harrison 1906-6-29
Osmundaceae NEBC: 00639821 Osmunda claytoniana Linnaeus USA: Massachusetts Williamstown: Williamstown A. K. Harrison 1906-6-30
NEBC: 00631022 Osmundastrum cinnamomeum (Linnaeus) C. Presl USA: Massachusetts Mount Greylock A. K. Harrison 1906-6-30
Pinaceae GH: 00397822 Pinus banksiana Lambert USA: Michigan Gwinn A. K. Harrison 1906-11-20
Poaceae GH: 01653925 Andropogon gerardi Vitman USA: Michigan [data not captured] A. K. Harrison 1906-8-8
NEBC: 01025988 Danthonia spicata (Linnaeus) P. Beauvois ex Roemer & Schultes USA: Massachusetts Williamstown: Williamstown A. K. Harrison 2025 1906-6-30
GH: 01148401 Glyceria striata (Lamarck) Hitchcock USA: Massachusetts Hancock: Hancock A. K. Harrison 1906-7-5
Polygonaceae GH: 02004542 Rumex verticillatus Linnaeus USA: Michigan [data not captured] A. K. Harrison 1906-8-8
Potamogetonaceae GH: 01564776 Potamogeton epihydrus Rafinesque USA: New York Long Island: Great Patchogue Pond, Patchogue A. K. Harrison 1906-8-24
Primulaceae GH: 01918996 Lysimachia quadriflora Sims USA: Michigan Flint A. K. Harrison 1906-8-8
Rosaceae NEBC: 00441316 Potentilla tridentata Aiton USA: Massachusetts Williamstown: Williamstown A. K. Harrison 2040 1906-6-23
Rubiaceae GH: 02138629 Galium obtusum Bigelow USA: Michigan [data not captured] A. K. Harrison 1906-8-6
Thelypteridaceae NEBC: 00631740 Phegopteris connectilis (Michaux) Watt USA: Massachusetts New Ashford: New Ashford A. K. Harrison 1906-6-30
NEBC: 00631741 Phegopteris connectilis (Michaux) Watt USA: Massachusetts Williamstown: Williamstown A. K. Harrison 1906-6-30
NEBC: 00652210 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Massachusetts Williamstown: Williamstown A. K. Harrison 1906-6-30
Vitaceae GH: 01578331 Vitis aestivalis Michaux USA: Michigan near Thread Pond, Flint A. K. Harrison 1906-8-6
GH: 01578624 Vitis aestivalis bicolor Deam USA: New York Lebanon Springs A. K. Harrison 1906-6-15