Alliaceae NEBC: 00573071 Allium canadense Linnaeus USA: Massachusetts Lowell: Lowell, Fort Hill C. W. Swan 1882-7-13
Apiaceae NEBC: 00483226 Angelica atropurpurea Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-7-11
NEBC: 01050859 Cicuta maculata Linnaeus USA: Massachusetts Chelmsford: Chelmsford, Canal C. W. Swan 1882-8-19
NEBC: 01009683 Sium suave Walter USA: Massachusetts Tewksbury: Tewksbury C. W. Swan 1882-8-10
GH: 01009684 Sium suave Walter USA: Massachusetts Tewksbury: Tewksbury, Trull Brook C. W. Swan 1882-8
GH: 01009686 Sium suave Walter USA: Massachusetts Tewksbury: Tewksbury, Trull Brook C. W. Swan 1882-8-16
NEBC: 01009687 Sium suave Walter USA: Massachusetts Tewksbury: Tewksbury C. W. Swan 1882-8-10
NEBC: 00587066 Zizia aurea (Linnaeus) W. D. J. Koch USA: Massachusetts Chelmsford: Chelmsford, Lover's Lane C. W. Swan 1882-6-6
NEBC: 00587080 Zizia aurea (Linnaeus) W. D. J. Koch USA: Massachusetts Tewksbury: Tewksbury C. W. Swan 1882-9-1
NEBC: 00587081 Zizia aurea (Linnaeus) W. D. J. Koch USA: Massachusetts Tewksbury: Tewksbury, Trull Brook C. W. Swan 1882-8-14
Apocynaceae NEBC: 01051795 Apocynum cannabinum Linnaeus USA: Massachusetts Lowell: Lowell, Mer'k R. [Merrimac River] C. W. Swan 1882-8-28
Aquifoliaceae NEBC: 00773935 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-17
Araliaceae NEBC: 00448476 Aralia nudicaulis Linnaeus USA: Massachusetts Chelmsford: Chelmsford Road C. W. Swan 1882
Asclepiadaceae NEBC: 01035752 Asclepias exaltata Linnaeus USA: Massachusetts Lowell: Lowell, Fort Hill C. W. Swan 1882-7-13
Asteraceae NEBC: 01021422 Aster sp. USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
NEBC: 01021423 Aster sp. USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
NEBC: 00834788 Aster tradescantii Linnaeus USA: Massachusetts Lowell: Lowell, Merrimac R [River] C. W. Swan 1882-7-20
NEBC: 00834788 Aster tradescantii fragilis (Willdenow) Torrey & A. Gray USA: Massachusetts Lowell: Lowell, Merrimac R [River] C. W. Swan 1882-7-20
NEBC: 01021422 Aster tradescantii fragilis (Willdenow) Torrey & A. Gray USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
NEBC: 01021423 Aster tradescantii fragilis (Willdenow) Torrey & A. Gray USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
NEBC: 00834788 Aster vimineus Lamarck USA: Massachusetts Lowell: Lowell, Merrimac R [River] C. W. Swan 1882-7-20
NEBC: 01021423 Aster vimineus foliolosus (Aiton) A. Gray USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
NEBC: 01021422 Aster vimineus saxatilis Fernald USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
NEBC: 01021423 Aster vimineus saxatilis Fernald USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
NEBC: 00735335 Balsamita major Desfontaines USA: Massachusetts Tewksbury: Tewksbury C. W. Swan 1882-8-27
NEBC: 00626707 Erechtites hieraciifolius (Linnaeus) Rafinesque ex de Candolle USA: Massachusetts Boston: Dorchester C. W. Swan 1882-9-10
NEBC: 01034080 Eupatorium pilosum Walter USA: Massachusetts Lowell: Lowell C. W. Swan 1882-8-9
NEBC: 01034081 Eupatorium pilosum Walter USA: Massachusetts Lowell: Lowell, Osgood Woods [probably in Ay... C. W. Swan 1882-8-19
NEBC: 01008091 Helianthus decapetalus Linnaeus USA: Massachusetts Lowell: Lowell, Pawtucketville, River Rd C. W. Swan 1882-7-14
NEBC: 01037979 Helianthus divaricatus Linnaeus USA: Massachusetts Lowell: Lowell, Fort Hill C. W. Swan 1882-8-4
NEBC: 01017064 Helianthus strumosus Linnaeus USA: Massachusetts Lowell: Lowell, Fort Hill C. W. Swan 1882-8-21
NEBC: 00684769 Liatris scariosa novae-angliae Lunell USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-8-22
NEBC: 00834788 Symphyotrichum sp. USA: Massachusetts Lowell: Lowell, Merrimac R [River] C. W. Swan 1882-7-20
NEBC: 01021422 Symphyotrichum sp. USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
NEBC: 01021423 Symphyotrichum sp. USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
Brassicaceae NEBC: 01066517 Turritis glabra Linnaeus USA: Massachusetts Lowell: Billerica road C. W. Swan 1882-7-13
Campanulaceae NEBC: 00656777 Campanula rapunculoides Linnaeus USA: Massachusetts Tewksbury: Tewksbury C. W. Swan 1882-8-3
NEBC: 00820485 Campanula rotundifolia Linnaeus USA: Massachusetts Tewksbury: Tewksbury C. W. Swan 1882-7-17
Cannabaceae NEBC: 00586141 Humulus lupulus Linnaeus USA: Massachusetts Billerica: Billerica C. W. Swan 1882-9-4
Caprifoliaceae NEBC: 00702209 Viburnum acerifolium Linnaeus USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-25
NEBC: 00611255 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-22
Caryophyllaceae NEBC: 00722556 Paronychia fastigiata (Rafinesque) Fernald USA: Massachusetts Boston: West Boston Flats C. W. Swan 1882-10-2
NEBC: 00612844 Sagina procumbens Linnaeus USA: Massachusetts Boston: Dorchester C. W. Swan 1882-6-24
NEBC: 00525588 Silene vulgaris (Moench) Garcke USA: Massachusetts Brookline: Brookline, Longwood O.C.R.R. [Old... C. W. Swan 1882-7-10
NEBC: 00693400 Spergularia marina (Linnaeus) Grisebach USA: Massachusetts Boston: W. [West] Boston flats C. W. Swan 1882-9-26
Chenopodiaceae NEBC: 00754809 Salicornia depressa Standley USA: Massachusetts Boston: W. [West] Boston Flats C. W. Swan 1882-10-5
NEBC: 00645099 Suaeda linearis (Elliott) Moquin-Tandon USA: Massachusetts O.C.R.R. [Old Colony Railroad] C. W. Swan 1882-10-7
Convolvulaceae NEBC: 00655724 Calystegia sepium americana (Sims) Brummitt USA: Massachusetts Bedford: Bedford C. W. Swan 1882
NEBC: 00656798 Calystegia sepium americana (Sims) Brummitt USA: Massachusetts Lowell: Lowell, Ayer's City C. W. Swan 1882-7-9
Cornaceae NEBC: 00773468 Cornus alternifolia Linnaeus f. USA: Massachusetts Lowell: Lowell C. W. Swan 1882-6-20
NEBC: 00773485 Cornus alternifolia Linnaeus f. USA: Massachusetts Dedham: Dedham C. W. Swan 1882-6-17
Crassulaceae NEBC: 00591452 Sedum telephium Linnaeus USA: Massachusetts Tyngsborough: Tyngsborough C. W. Swan 1882-8-14
Cyperaceae NEBC: 00135744 Carex alata Torrey USA: Massachusetts Chelmsford: C. W. Swan 1882-7-8
NEBC: 00135743 Carex alata Torrey USA: Massachusetts Chelmsford: C. W. Swan 1882-7-11
NEBC: 00214115 Carex albicans emmonsii (Dewey ex Torrey) Rettig USA: Massachusetts Boston: Roxbury C. W. Swan 1882-6-21
NEBC: 00218077 Carex blanda Dewey USA: Massachusetts Brookline: Heath Street C. W. Swan 1882-6-9
NEBC: 00221256 Carex brevior (Dewey) Mackenzie ex Lunell USA: Massachusetts Boston: West Boston Flats C. W. Swan 1882-6-25
NEBC: 00222784 Carex comosa Boott USA: Massachusetts Chelmsford: C. W. Swan 1882-6-28
NEBC: 00222793 Carex comosa Boott USA: Massachusetts Tewksbury: Long Pond C. W. Swan 1882-8-13
NEBC: 00261966 Carex crinita gynandra (Schweinitz) Schweinitz & Torrey USA: Massachusetts Merrimace R [River] C. W. Swan 1882-7-20
NEBC: 00228742 Carex cryptolepis Mackenzie USA: Massachusetts Chelmsford: C. W. Swan 1882-7-11
NEBC: 00261966 Carex gynandra Schweinitz USA: Massachusetts Merrimace R [River] C. W. Swan 1882-7-20
NEBC: 01049523 Carex lenticularis Michaux USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
NEBC: 01049524 Carex lenticularis Michaux USA: Massachusetts Lowell: Lowell, Merrimac R [River] C. W. Swan 1882-7-20
NEBC: 00339341 Carex leptalea Wahlenberg USA: Massachusetts Dedham: Purgatory Swamp C. W. Swan 1882-6-17
NEBC: 01049674 Carex leptalea Wahlenberg USA: Massachusetts Dracut: Dracut C. W. Swan 1882-7-31
NEBC: 00854638 Carex pellita Muhlenberg ex Willdenow USA: Massachusetts Boston: West Roxbury, Williams St. C. W. Swan 1882-6-26
NEBC: 00576949 Carex spicata Hudson USA: Massachusetts Boston: [West] Roxbury, Glen Road C. W. Swan 1882-4-3
NEBC: 00576950 Carex spicata Hudson USA: Massachusetts Brookline: Brookline, Parker Hill C. W. Swan 1882-6-21
NEBC: 01059328 Carex tenera Dewey USA: Massachusetts Boston: Boston, Forest Hills C. W. Swan 1882-6-11
NEBC: 00766540 Carex tonsa rugosperma (Mackenzie) Crins USA: Massachusetts Boston: West Boston C. W. Swan 1882-6-21
NEBC: 00874783 Carex vestita Willdenow USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-17
GH: 00874787 Carex vestita Willdenow USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-26
NEBC: 01061290 Carex virescens Muhlenberg ex Willdenow USA: Massachusetts Ashby: Ashby C. W. Swan 1882-8-11
NEBC: 01048155 Cyperus strigosus Linnaeus USA: Massachusetts Chelmsford: No. [North] Chelmsford C. W. Swan 1882-8-10
NEBC: 01061895 Eleocharis acicularis (Linnaeus) Roemer & Schultes USA: Massachusetts Dracut: Dracut C. W. Swan 1882-7-31
NEBC: 00770927 Eleocharis elliptica Kunth USA: Massachusetts Lowell: Lowell C. W. Swan 1882-6-11
NEBC: 00894622 Scirpus atrocinctus Fernald USA: Massachusetts Lowell: Lowell, Ayre's City C. W. Swan 1882-7-9
NEBC: 00894639 Scirpus atrocinctus Fernald USA: Massachusetts [Swan collected in Lowell & Tewksbury on thi... C. W. Swan 1882-7-17
NEBC: 00638738 Scirpus purshianus Fernald USA: Massachusetts Lowell: Lowell C. W. Swan 1882-8-16
NEBC: 00638739 Scirpus purshianus Fernald USA: Massachusetts Tewksbury: Tewksbury, Trull Brook C. W. Swan 1882-8-16
Ericaceae NEBC: 01078805 Gaylussacia frondosa (Linnaeus) Torrey & A. Gray USA: Massachusetts Dracut: Dracut C. W. Swan 1882-7-15
Fabaceae NEBC: 00562317 Amphicarpaea bracteata (Linnaeus) Fernald USA: Massachusetts Boston: West Boston flats C. W. Swan 1882-10-2
NEBC: 00565323 Lupinus perennis Linnaeus USA: Massachusetts Lowell: Lowell C. W. Swan 1882-6-6
NEBC: 00565315 Lupinus perennis Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-6-6
NEBC: 00565334 Lupinus perennis Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-6-28
NEBC: 00739917 Strophostyles helvola (Linnaeus) Elliott USA: Massachusetts Boston: Dorchester, O.C.R.R. [Old Colony Rai... C. W. Swan 1882-10-1
NEBC: 00639978 Tephrosia virginiana (Linnaeus) Persoon USA: Massachusetts Lowell: Merrimac R. [River] C. W. Swan 1882-7-20
NEBC: 00591891 Vicia sativa nigra (Linnaeus) Ehrhart USA: Massachusetts Tewksbury: Tewksbury, Trull's Brook Road to ... C. W. Swan 1882-7-17
Fagaceae NEBC: 00567045 Castanea dentata (Marshall) Borkhausen USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-7-15
NEBC: 00695283 Quercus ilicifolia Wangenheim USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-6-6
NEBC: 00662609 Quercus ilicifolia Wangenheim USA: Massachusetts Groton: Groton, Dalton Rd. C. W. Swan 1882-6-6
Hypericaceae NEBC: 00715236 Hypericum canadense Linnaeus USA: Massachusetts Andover: Andover C. W. Swan 1882-8-27
NEBC: 00773147 Hypericum ellipticum Hooker USA: Massachusetts Lowell: Lowell, Trull Brook C. W. Swan 1882-8-16
NEBC: 00774481 Hypericum majus (A. Gray) Britton USA: Massachusetts Lowell: Lowell, OC. RR [Old Colony Railroad]... C. W. Swan 1882-9-13
NEBC: 00629088 Hypericum mutilum Linnaeus USA: Massachusetts Lowell: Lowell, OC.RR [Old Colony Railroad] C. W. Swan 1882-9-13
Juncaceae NEBC: 00864328 Juncus acuminatus lancifolia Michaux USA: Massachusetts Lowell: Concord R. [River] Fort H. [Hill] C. W. Swan 1882-7-25
NEBC: 00835007 Juncus canadensis J. Gay ex Laharpe USA: Massachusetts Littleton: Littleton C. W. Swan 1882-8-11
NEBC: 00835020 Juncus canadensis J. Gay ex Laharpe USA: Massachusetts Boston: Dorchester C. W. Swan 1882-9-13
NEBC: 00860636 Juncus greenei Oakes & Tuckerman USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-9
NEBC: 01150277 Juncus tenuis Willdenow USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-9
Lamiaceae NEBC: 00696415 Collinsonia canadensis Linnaeus USA: Massachusetts Dracut: Dracut, Long Pond C. W. Swan 1882-9-17
NEBC: 00685125 Galeopsis bifida Boenninghausen USA: Massachusetts Lowell: Lowell C. W. Swan 1882
NEBC: 00751952 Mentha gracilis Sole USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-8-22
NEBC: 00751954 Mentha gracilis Sole USA: Massachusetts Lowell: Lowell C. W. Swan 1882-8-13
NEBC: 00611455 Mentha piperita Linnaeus USA: Massachusetts Tewksbury: Tewksbury C. W. Swan 1882-8-27
NEBC: 00696677 Monarda fistulosa mollis (Linnaeus) Bentham USA: Massachusetts Lowell: Lowell, Fort Hill C. W. Swan 1882-8-4
NEBC: 00642122 Monarda fistulosa mollis (Linnaeus) Bentham USA: Massachusetts Lowell: Lowell, Fort Hill C. W. Swan 1882-8-21
NEBC: 00655982 Perilla frutescens crispa (Benth.) Deane USA: Massachusetts Boston: Roxbury Crossing, Police Station C. W. Swan 1882-10-16
NEBC: 00696687 Pycnanthemum muticum (Michaux) Persoon USA: Massachusetts Lowell: Lowell, Fort Hill C. W. Swan 1882-8-25
Malvaceae NEBC: 00660407 Hibiscus moscheutos Linnaeus USA: Massachusetts Concord River C. W. Swan 1882-7-31
NEBC: 00761399 Malva alcea Linnaeus USA: Massachusetts Lowell: Lowell, Fort Hill C. W. Swan 1882-7-13
Onagraceae NEBC: 00573869 Ludwigia alternifolia Linnaeus USA: Massachusetts Lowell: Lowell, Loverslane, Fort Hill C. W. Swan 1882-8-18
Orobanchaceae NEBC: 00561443 Aureolaria pedicularia (Linnaeus) Rafinesque USA: Massachusetts Dracut: Dracut C. W. Swan 1882-8-17
Plantaginaceae NEBC: 00650163 Nuttallanthus canadensis (Linnaeus) D. A. Sutton USA: Massachusetts Lowell: Lowell, Ayre's City C. W. Swan 1882-7-9
NEBC: 00592559 Plantago aristata Michaux USA: Massachusetts Boston: W. [West] Boston Dump C. W. Swan 1882-10-2
NEBC: 00655546 Veronica officinalis Linnaeus USA: Massachusetts C. W. Swan 1882-7-2
NEBC: 00561770 Veronica peregrina Linnaeus USA: Massachusetts Brookline: Aspinwall Hill C. W. Swan 1882-5-28
Poaceae NEBC: 00622892 Arrhenatherum elatius (Linnaeus) P. Beauvois ex J. Presl & C. Presl USA: Massachusetts Boston: W. [West] Roxbury, Williams St. C. W. Swan 1882-6-26
NEBC: 00622999 Avena sativa Linnaeus USA: Massachusetts Lowell: Lowell, F.R.R. [Fitchburg Railroad] C. W. Swan 1882-7-17
ECON: 00609080 Avena sativa Linnaeus USA: Massachusetts Boston: Boston, Danforth St. C. W. Swan 1882-9-18
NEBC: 00609141 Briza media Linnaeus USA: Massachusetts Boston: Dorchester, Fields Corner C. W. Swan 1882-6-24
NEBC: 00880029 Bromus ciliatus Linnaeus USA: Massachusetts Chelmsford: Chelmsford, near Thomas's rock L... C. W. Swan 1882-8-1
NEBC: 00609783 Bromus commutatus Schrader USA: Massachusetts Boston: Dorchester C. W. Swan 1882-7-2
NEBC: 00609785 Bromus commutatus Schrader USA: Massachusetts Boston: Dorchester, Fields Corner C. W. Swan 1882-6-24
NEBC: 00613094 Bromus hordeaceus Linnaeus USA: Massachusetts Huntington: Huntington C. W. Swan 1882-6-8
NEBC: 00880147 Bromus latiglumis (Shear) Hitchcock USA: Massachusetts Tewksbury: Tewksbury, Trull Brook C. W. Swan 1882-9-1
NEBC: 01045531 Calamagrostis coarctata Eaton USA: Massachusetts Lowell: Lowell, Lover's Lane Fort Hill C. W. Swan 1882-8-18
NEBC: 00595125 Deschampsia caespitosa glauca (C. Hartman) C. Hartman USA: Massachusetts Lowell: Lowell, Merrimac River C. W. Swan 1882-7-20
NEBC: 00764779 Dichanthelium clandestinum (Linnaeus) Gould USA: Massachusetts Lowell: Lowell C. W. Swan 1882-6-29
NEBC: 00689070 Digitaria filiformis (Linnaeus) Koeler USA: Massachusetts Lowell: Lowell C. W. Swan 1882-8-30
NEBC: 00609509 Digitaria ischaemum (Schreber) Muhlenberg USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 3592 1882-8-22
NEBC: 00817061 Elymus canadensis Linnaeus USA: Massachusetts Dracut: Dracut C. W. Swan 1882-7-31
NEBC: 00817062 Elymus canadensis Linnaeus USA: Massachusetts Dracut: Dracut C. W. Swan 1882-7-31
NEBC: 00712062 Elymus macgregorii R.E. Brooks & J.J.N. Campb. USA: Massachusetts Lowell: Lowell, Merrimac R. [River] C. W. Swan 1882-7-20
NEBC: 00863296 Elymus villosus Muhlenberg ex Willdenow USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-20
NEBC: 00855717 Eragrostis capillaris (Linnaeus) Nees USA: Massachusetts Lowell: Lowell, Ayer's City C. W. Swan 1882-8-20
NEBC: 01026938 Muhlenbergia sylvatica (Torrey) Torrey ex A. Gray USA: Massachusetts Tewksbury: Tewksbury C. W. Swan 1882-9-1
NEBC: 01174089 Muhlenbergia uniflora (Muhlenberg) Fernald USA: Massachusetts Lowell: Lowell C. W. Swan 1882-8-30
NEBC: 00611851 Phalaris arundinacea Linnaeus USA: Massachusetts Lowell: Lowell, Ayer's City C. W. Swan 1882-6-29
NEBC: 00611864 Phalaris arundinacea Linnaeus USA: Massachusetts Boston: Dorchester, Grove Hall C. W. Swan 1882-7-2
NEBC: 01150788 Piptatherum pungens (Torrey) Dorn USA: Massachusetts Chelmsford: Chelmsford, Lover's Land C. W. Swan 1882-6-6
ECON: 00741018 Poa fernaldiana Nannfeldt USA: Vermont Mount Mansfield C. W. Swan 1882-7-24
NEBC: 00595656 Poa trivialis Linnaeus USA: Massachusetts Dedham: Dedham C. W. Swan 1882-6-17
NEBC: 00614278 Setaria viridis (Linnaeus) P. Beauvois USA: Massachusetts Lowell: Lowell C. W. Swan 1882-7-30
NEBC: 00700209 Sphenopholis pensylvanica (Linnaeus) Hitchcock USA: Massachusetts Dedham: Dedham C. W. Swan 1882-6-17
NEBC: 00879609 Triplasis purpurea (Walter) Chapman USA: Massachusetts Boston: Dorchester C. W. Swan 1882-9-10
Polygonaceae NEBC: 00759024 Fagopyrum esculentum Moench USA: Massachusetts Billerica: Billerica C. W. Swan 1882-8-26
NEBC: 00759025 Fagopyrum esculentum Moench USA: Massachusetts Billerica: Billerica C. W. Swan 1882-8-26
Potamogetonaceae NEBC: 01009250 Potamogeton epihydrus Rafinesque USA: Massachusetts Dracut: Dracut, Long Pond C. W. Swan 1882-7-15
Ranunculaceae NEBC: 00697617 Thalictrum amphibolum Greene USA: Massachusetts Lowell: Lowell, Fort Hill C. W. Swan 1882-8-25
Rosaceae GH: 00483901 Amelanchier canadensis (Linnaeus) Medikus USA: Massachusetts Brookline: Brookline C. W. Swan 1882-5-21
NEBC: 00744025 Amelanchier laevis Wiegand USA: Massachusetts Groton: Groton C. W. Swan 1882-6-7
GH: 00740426 Amelanchier laevis Wiegand USA: Massachusetts Brookline: Brookline C. W. Swan 1882-5-21
NEBC: 00674203 Aronia melanocarpa (Michaux) Elliott USA: Massachusetts Tewksbury: Tewksbury C. W. Swan 1882-8-13
NEBC: 00724416 Geum canadense Jacquin USA: Massachusetts Lowell: Lowell, Fort Hill C. W. Swan 1882-7-15
NEBC: 00724419 Geum canadense Jacquin USA: Massachusetts Tewksbury: Tewksbury, Andover road C. W. Swan 1882-7-17
NEBC: 00673849 Prunus maritima Marshall USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-6-6
NEBC: 00673850 Prunus maritima Marshall USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-6-6
NEBC: 00742758 Prunus susquehanae Willdenow USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-6-6
NEBC: 00644808 Rosa nitida Willdenow USA: Massachusetts Littleton: Littleton C. W. Swan 1882-8-11
Rubiaceae NEBC: 00866489 Galium tinctorium Linnaeus USA: Massachusetts Boston: Dorchester, O.C. RR. [Old Colony Rai... C. W. Swan 1882-9-13
Salicaceae NEBC: 00771978 Salix alba Linnaeus USA: Massachusetts Brookline: Brookline C. W. Swan 1882-5-28
NEBC: 00769386 Salix humilis tristis (Aiton) Griggs USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-6-6
NEBC: 00769913 Salix humilis tristis (Aiton) Griggs USA: Massachusetts Chelmsford: Chelmsford C. W. Swan 1882-7-8
Scrophulariaceae NEBC: 00642831 Scrophularia lanceolata Pursh USA: Massachusetts Chelmsford: Chelmsford, Lover's Lane C. W. Swan 1882-6-28
Solanaceae NEBC: 00610128 Nicandra physalodes (Linnaeus) Gaertner USA: Massachusetts Billerica: Billerica C. W. Swan 1882-8-26
Urticaceae NEBC: 00523650 Urtica dioica Linnaeus USA: Massachusetts Brookline: Brookline C. W. Swan 1882-6-25