Harvard University Herbaria & Libraries

Alismataceae
NEBC: 01032228 Alisma subcordatum Pursh USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-9-17
Aquifoliaceae
GH: 00767422 Ilex laevigata (Pursh) A. Gray USA: Connecticut South Windsor: South Windsor C. H. Knowlton 1904-9-17
Araceae
NEBC: 01024604 Acorus calamus Linnaeus USA: Massachusetts Burlington: Burlington C. H. Knowlton 1904-6-18
Asclepiadaceae
NEBC: 00954879 Asclepias quadrifolia Jacquin USA: Massachusetts Winchester: Winchester C. H. Knowlton 1904-6-11
Asparagaceae
NEBC: 00567448 Asparagus officinalis Linnaeus USA: Massachusetts Bedford: Bedford C. H. Knowlton 1904-5-28
Asteraceae
NEBC: 01065587 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Carlisle: Carlisle C. H. Knowlton 1904-5-28
NEBC: 01065744 Antennaria parlinii Fernald USA: Massachusetts Carlisle: Carlisle C. H. Knowlton 1904-5-28
NEBC: 00735129 Arctium tomentosum Miller USA: Maine Strong: Strong C. H. Knowlton 1904-8-31
GH: 00968082 Artemisia campestris canadensis (Michaux) Scoggan Canada: New Brunswick St. Hilaire C. H. Knowlton 1904-7-9
NEBC: 01038807 Packera paupercula (Michaux) A. Löve & D. Löve USA: Massachusetts Woburn: Woburn, Horn Pond Hill C. H. Knowlton 1904-6-11
NEBC: 01023651 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-9-17
NEBC: 01077125 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Waltham: Waltham C. H. Knowlton 1904-9-27
NEBC: 01064015 Solidago odora Aiton USA: Massachusetts Burlington: Burlington C. H. Knowlton 1904-10-8
NEBC: 00501402 Solidago rugosa aspera (Aiton) Fernald USA: Massachusetts North Attleborough: North Attleborough C. H. Knowlton 1904-9-16
NEBC: 00832244 Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-9-27
NEBC: 01014830 Symphyotrichum tardiflorum (Linnaeus) Greuter, M. V. Agabajan & Wagenitz USA: Maine Farmington: Farmington C. H. Knowlton 1904-9-4
NEBC: 01016072 Symphyotrichum undulatum (Linnaeus) G. L. Nesom USA: Maine Canton: Canton C. H. Knowlton 1904-8-17
Berberidaceae
NEBC: 00834015 Podophyllum peltatum Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1904-5-28
Brassicaceae
NEBC: 00675388 Rorippa palustris hispida (Desvaux) Rydberg USA: Maine Fort Kent: Fort Kent C. H. Knowlton 1904-7-9
Cannabaceae
NEBC: 00591394 Humulus japonicus Siebold & Zuccarini USA: Maine Jay: Jay C. H. Knowlton 1904-8-17
Caryophyllaceae
NEBC: 00755388 Arenaria serpyllifolia Linnaeus USA: Massachusetts Winchester: Winchester C. H. Knowlton 1904-6-11
NEBC: 00602796 Silene latifolia alba (Miller) Greuter & Burdet USA: Massachusetts Burlington: Burlington C. H. Knowlton 1904-6-18
Celastraceae
NEBC: 00295103 Celastrus scandens Linnaeus USA: Maine Strong: Day Mt. C. H. Knowlton 1904-8-31
Cistaceae
NEBC: 00712647 Crocanthemum bicknellii (Fernald) Janchen USA: Maine Canton: Canton C. H. Knowlton 1904-8-17
Convolvulaceae
NEBC: 00633843 Cuscuta epithymum (Linnaeus) Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1904-9-2
Cyperaceae
NEBC: 00216127 Carex arcta Boott USA: Maine Saint Francis (Maine): C. H. Knowlton 1904-7-7
NEBC: 00229942 Carex disperma Dewey USA: Maine Fort Kent: C. H. Knowlton 1904-7-8
NEBC: 00242768 Carex flava Linnaeus USA: Massachusetts Woburn: C. H. Knowlton 1904-6-11
NEBC: 01049350 Carex lenticularis Michaux USA: Maine St. Francis C. H. Knowlton 1904-7-7
NEBC: 00895783 Carex oligosperma Michaux USA: Maine St. John C. H. Knowlton 1904-7-7
NEBC: 01161277 Carex pauciflora Balbis ex Boott USA: Maine St. John C. H. Knowlton 1904-7-7
NEBC: 01029198 Carex projecta Mackenzie USA: Maine St. John C. H. Knowlton 1904-7-7
NEBC: 00802507 Carex siccata Dewey USA: Massachusetts Woburn: Woburn C. H. Knowlton 1904-6-11
NEBC: 01059200 Carex tenera Dewey USA: Maine Jay: Jay C. H. Knowlton 1904-8-14
NEBC: 01042018 Carex viridula Michaux USA: Maine St. Francis C. H. Knowlton 1904-7-7
NEBC: 00672012 Eleocharis palustris (Linnaeus) Roemer & Schultes USA: Maine St. Francis C. H. Knowlton 1904-7-7
NEBC: 01058049 Fimbristylis autumnalis (Linnaeus) Roemer & Schultes USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-9-17
Equisetaceae
NEBC: 00694754 Equisetum pratense Ehrhart USA: Maine Fort Kent: Fort Kent C. H. Knowlton 1904-7-9
NEBC: 00654131 Equisetum sylvaticum Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-5-17
Ericaceae
NEBC: 00448086 Gaultheria procumbens Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1904-7-23
NEBC: 00519139 Vaccinium corymbosum Linnaeus USA: Maine Canton: Canton C. H. Knowlton 1904-8-17
Euphorbiaceae
NEBC: 00580148 Euphorbia esula Linnaeus USA: Massachusetts Amesbury Town C. H. Knowlton 1904-10-1
Fabaceae
NEBC: 00711452 Desmodium perplexum B. G. Schubert USA: Maine Jay: Jay C. H. Knowlton 1904-8-14
Gentianaceae
NEBC: 00574820 Menyanthes trifoliata minor Rafinesque USA: Massachusetts Burlington: Burlington C. H. Knowlton 1904-6-18
Geraniaceae
NEBC: 01067551 Geranium carolinianum confertiflorum Fernald USA: Massachusetts Winchester: Winchester C. H. Knowlton 1904-6-11
NEBC: 01070517 Geranium robertianum Linnaeus USA: Massachusetts Woburn: Woburn, Horn Pond Hill C. H. Knowlton 1904-6-11
Iridaceae
NEBC: 00463379 Iris prismatica Pursh USA: Massachusetts Billerica: Billerica C. H. Knowlton 1904-6-18
NEBC: 01044865 Sisyrinchium montanum crebrum Fernald USA: Maine St. Francis C. H. Knowlton 1904-7-7
Lamiaceae
NEBC: 00642209 Pycnanthemum incanum (Linnaeus) Michaux USA: Massachusetts Woburn: Woburn, Horn Pond Hill C. H. Knowlton 1904-9-20
Lentibulariaceae
NEBC: 00731622 Utricularia intermedia Hayne USA: Maine St. Francis C. H. Knowlton 1904-7-7
Liliaceae
NEBC: 00880606 Erythronium americanum Ker Gawler USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-5-7
GH: 01030805 Streptopus lanceolatus (Aiton) Reveal USA: Maine Farmington: Farmington C. H. Knowlton 1904-5-24
Linaceae
NEBC: 00761197 Linum usitatissimum Linnaeus USA: Massachusetts Amesbury: Amesbury C. H. Knowlton 1904-10-1
Lycopodiaceae
NEBC: 00742310 Spinulum annotinum (Linnaeus) A. Haines USA: Maine Phillips: Phillips C. H. Knowlton 1904-8-13
Oleaceae
NEBC: 00593803 Fraxinus americana Linnaeus USA: Massachusetts Woburn: Woburn C. H. Knowlton 1904-6-11
Onagraceae
NEBC: 01075984 Epilobium coloratum Biehler USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-9-17
Ophioglossaceae
NEBC: 00639009 Botrychium dissectum Sprengel USA: Maine Farmington: Farmington C. H. Knowlton 1904-9-2
NEBC: 00674983 Botrychium dissectum Sprengel USA: Massachusetts Amesbury Town C. H. Knowlton 1904-10-2
Orchidaceae
NEBC: 00463574 Arethusa bulbosa Linnaeus USA: Massachusetts Carlisle: Carlisle C. H. Knowlton 1904-5-28
NEBC: 00741456 Cypripedium parviflorum pubescens (Willdenow) O. W. Knight USA: Maine Fort Kent: Fort Kent C. H. Knowlton 1904-7-10
NEBC: 01021176 Goodyera pubescens (Willdenow) R. Brown USA: Massachusetts Lincoln: Lincoln C. H. Knowlton 1904-9-24
AMES: 01021848 Listera convallarioides (Swartz) Nuttall ex Elliott USA: Maine Fort Kent: Fort Kent C. H. Knowlton 2076, 4292 1904-7-8
Papaveraceae
NEBC: 00669867 Corydalis sempervirens (Linnaeus) Persoon USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1904-7-15
Plantaginaceae
NEBC: 00656539 Veronica arvensis Linnaeus USA: Massachusetts C. H. Knowlton 1904-6-11
NEBC: 00775084 Veronica scutellata Linnaeus USA: Massachusetts Burlington: Burlington C. H. Knowlton 1904-6-18
Poaceae
NEBC: 01178503 Agrostis perennans (Walter) Tuckerman USA: Massachusetts Lincoln: Lincoln C. H. Knowlton 1904-9-17
NEBC: 00880088 Bromus latiglumis (Shear) Hitchcock USA: Maine Farmington: Farmington C. H. Knowlton 1904-8-26
NEBC: 00595079 Deschampsia caespitosa glauca (C. Hartman) C. Hartman USA: Maine Fort Kent: Fort Kent C. H. Knowlton 1904-7-8
NEBC: 00878469 Glyceria borealis (Nash) Batchelder USA: Maine Fort Kent: Fort Kent C. H. Knowlton 1904-7-9
NEBC: 01148995 Oryzopsis asperifolia Michaux USA: Massachusetts Burlington: Burlington C. H. Knowlton 1904-6-11
GH: 00863034 Piptochaetium avenaceum (Linnaeus) Parodi USA: Massachusetts Woburn: Woburn, Horn Pond Mt. C. H. Knowlton 1904-6-11
Polygonaceae
NEBC: 00686358 Polygonum amphibium Linnaeus USA: Maine Temple: Temple C. H. Knowlton 1904-8-3
NEBC: 00749428 Polygonum aviculare aviculare Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1904-8-29
NEBC: 00762351 Polygonum buxiforme Small USA: Massachusetts Revere: Revere C. H. Knowlton 1904-6-17
NEBC: 00562841 Polygonum cuspidatum Siebold & Zuccarini USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-9-13
NEBC: 00866244 Polygonum punctatum confertiflorum (Meisner) Fassett USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-9-17
NEBC: 00736812 Polygonum scandens Linnaeus USA: Maine Jay: Jay C. H. Knowlton 1904-8-17
NEBC: 00562841 Reynoutria japonica Houttuyn USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-9-13
Ranunculaceae
GH: 01708851 Anemone virginiana riparia (Fernald) B. Boivin Canada: New Brunswick St. Hilaire C. H. Knowlton 1904-7-9
NEBC: 00866633 Caltha palustris Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1904-5-17
NEBC: 00553579 Coptis trifolia (Linnaeus) Salisbury USA: Massachusetts Burlington: Burlington C. H. Knowlton 1904-6-11
Rosaceae
NEBC: 00744104 Aronia melanocarpa (Michaux) Elliott USA: Maine Farmington: Farmington C. H. Knowlton 1904-9-4
NEBC: 00644118 Comarum palustre Linnaeus USA: Maine St. Francis C. H. Knowlton 1904-7-7
NEBC: 00674754 Crataegus chrysocarpa phoenicea Palmer USA: Maine Jay: Jay C. H. Knowlton 1904-8-17
GH: 00735861 Gillenia trifoliata (Linnaeus) Moench USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1904-5-28
NEBC: 00756422 Potentilla simplex Michaux USA: Maine Farmington: Farmington C. H. Knowlton 1904-7-28
NEBC: 00748337 Rubus hispidus Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1904-7-23
Rubiaceae
NEBC: 00729853 Galium aparine Linnaeus USA: Massachusetts Winchester: Winchester, Horn Pond Mt. C. H. Knowlton 1904-6-11
NEBC: 00670615 Galium boreale Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1904
GH: 02138800 Galium palustre Linnaeus Canada: New Brunswick [data not captured] C. H. Knowlton 1904-7-9
NEBC: 00755142 Galium palustre Linnaeus USA: Maine St. Francis C. H. Knowlton 1904-7-7
NEBC: 00670908 Galium tinctorium Linnaeus USA: Maine New Sharon: New Sharon C. H. Knowlton 1904-7-23
Rutaceae
NEBC: 01070760 Zanthoxylum americanum Miller USA: Massachusetts Billerica: Billerica C. H. Knowlton 1904-6-18
Salicaceae
NEBC: 00653924 Salix lucida Muhlenberg USA: Massachusetts Woburn: Woburn C. H. Knowlton 1904-6-11
Saxifragaceae
NEBC: 00730665 Ribes hirtellum Michaux USA: Massachusetts Bedford: Bedford C. H. Knowlton 1904-5-17
Smilacaceae
NEBC: 00865889 Smilax herbacea Linnaeus USA: Massachusetts Woburn: Woburn C. H. Knowlton 1904-6-11