Alismataceae NEBC: 01080474 Sagittaria filiformis J. G. Smith USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 01032726 Sagittaria latifolia Willdenow USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00733826 Sagittaria teres S. Watson USA: Massachusetts Lincoln: Lincoln, Sandy Pond A. W. Hosmer 1894-9
NEBC: 00733825 Sagittaria teres S. Watson USA: Massachusetts Lincoln: Lincoln A. W. Hosmer
NEBC: 00733827 Sagittaria teres S. Watson USA: Massachusetts Lincoln: Lincoln, Sandy Pond A. W. Hosmer 1894-9-2
Apiaceae NEBC: 01009550 Osmorhiza longistylis (Torrey) de Candolle USA: Massachusetts Concord: Concord A. W. Hosmer
Araliaceae NEBC: 00282909 Aralia racemosa Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Asclepiadaceae NEBC: 01035876 Asclepias quadrifolia Jacquin USA: Massachusetts Sudbury: Sudbury A. W. Hosmer 1903
NEBC: 00562753 Cynanchum louiseae Kartesz & Gandhi USA: Massachusetts Concord: Concord A. W. Hosmer 1903
Aspidiaceae NEBC: 00634985 Polystichum acrostichoides (Michaux) Schott USA: Massachusetts Concord: Concord A. W. Hosmer
Aspleniaceae NEBC: 00577834 Asplenium rhizophyllum Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Asteraceae NEBC: 00753311 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00725523 Cirsium horridulum Michaux USA: Massachusetts Malden: Malden A. W. Hosmer
NEBC: 01034286 Eupatorium sessilifolium Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 01017061 Helianthus strumosus Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer 1903-5-7
NEBC: 01015307 Ionactis linariifolius (Linnaeus) Greene USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 01028038 Iva frutescens Linnaeus USA: Massachusetts Malden: Malden A. W. Hosmer
Athyriaceae NEBC: 00551385 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00662917 Onoclea sensibilis Linnaeus USA: Massachusetts Hingham: Hingham A. W. Hosmer
Balsaminaceae NEBC: 01069288 Impatiens pallida Nuttall USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 01069289 Impatiens pallida Nuttall USA: Massachusetts Concord: Concord A. W. Hosmer
Berberidaceae NEBC: 00697901 Caulophyllum thalictroides (Linnaeus) Michaux USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00834018 Podophyllum peltatum Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer 1903
Brassicaceae NEBC: 01065486 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Massachusetts Sudbury: Sudbury A. W. Hosmer
NEBC: 00660185 Cardamine bulbosa (Schreber ex Muhlenberg) Britton, Stearn & Poggenburg USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00617509 Draba verna Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer 1901-5
NEBC: 00617511 Draba verna Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Caesalpiniaceae NEBC: 00269326 Cassia hebecarpa Fernald USA: Massachusetts Concord: ["although no locality stated, this... A. W. Hosmer
NEBC: 00269326 Cassia marilandica Linnaeus USA: Massachusetts Concord: ["although no locality stated, this... A. W. Hosmer
NEBC: 00269326 Senna hebecarpa (Fernald) H. S. Irwin & Barneby USA: Massachusetts Concord: ["although no locality stated, this... A. W. Hosmer
Campanulaceae NEBC: 00698322 Campanula patula Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Caprifoliaceae NEBC: 00633458 Lonicera sempervirens Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00721736 Viburnum lantanoides Michaux USA: Massachusetts Stow: Stow A. W. Hosmer 1903
Caryophyllaceae NEBC: 00581146 Agrostemma githago Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00820304 Atocion armeria (Linnaeus) Rafinesque USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00525394 Gypsophila muralis Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00525449 Lychnis chalcedonica Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00612832 Sagina procumbens Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00602793 Silene latifolia alba (Miller) Greuter & Burdet USA: Massachusetts Acton: Acton A. W. Hosmer
NEBC: 00525927 Spergularia rubra (Linnaeus) J. Presl & C. Presl USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00581513 Stellaria graminea Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00581514 Stellaria graminea Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00586012 Stellaria media (Linnaeus) Villars USA: Massachusetts Concord: Concord A. W. Hosmer
Commelinaceae NEBC: 00757727 Lechea mucronata (do not use) Rafinesque USA: Massachusetts Concord: Concord A. W. Hosmer 1903
Dryopteridaceae NEBC: 00667354 Dryopteris boottii (Tuckerman) Underwood USA: Massachusetts Watertown: Watertown A. W. Hosmer
NEBC: 00704392 Dryopteris cristata (Linnaeus) A. Gray USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00551288 Dryopteris goldiana (Hooker) A. Gray USA: Massachusetts Concord: Concord A. W. Hosmer
Equisetaceae NEBC: 00674562 Equisetum fluviatile Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Ericaceae NEBC: 01078301 Chimaphila maculata (Linnaeus) Pursh USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00517817 Epigaea repens Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 01078714 Eubotrys racemosa (Linnaeus) Nuttall USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 01026180 Gaultheria hispidula (Linnaeus) Muhlenberg USA: Massachusetts Sudbury: Sudbury A. W. Hosmer
Fabaceae NEBC: 00534849 Coronilla varia Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00558554 Desmodium nudiflorum (Linnaeus) de Candolle USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00643138 Lathyrus USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00534247 Medicago arabica (Linnaeus) Hudson USA: Massachusetts Sudbury: Sudbury A. W. Hosmer
NEBC: 00586441 Trifolium campestre Schreber USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00586881 Trifolium repens Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Gentianaceae NEBC: 00691461 Centaurium erythraea Rafn USA: Massachusetts Concord: Concord A. W. Hosmer
Geraniaceae NEBC: 00761068 Erodium cicutarium (Linnaeus) L'Heritier ex Aiton USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 01070504 Geranium robertianum Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Haloragaceae NEBC: 01071191 Proserpinaca palustris crebra Fernald & Griscom USA: Massachusetts Concord: Concord A. W. Hosmer 1903
Lamiaceae NEBC: 00642119 Monarda fistulosa mollis (Linnaeus) Bentham USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00642197 Pycnanthemum incanum (Linnaeus) Michaux USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00707470 Stachys hispida Pursh USA: Massachusetts Concord: Concord A. W. Hosmer 1902
Lemnaceae NEBC: 00635976 Lemna minor Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Lentibulariaceae NEBC: 00568213 Utricularia cornuta Michaux USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00664466 Utricularia resupinata B. D. Greene ex Bigelow USA: Massachusetts Lincoln: Lincoln, Sandy Pond A. W. Hosmer 1894
NEBC: 00664465 Utricularia resupinata B. D. Greene ex Bigelow USA: Massachusetts Either from White Pond, Concord, Mass. Aug. ... A. W. Hosmer
Liliaceae NEBC: 00567564 Convallaria majalis Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00868457 Polygonatum biflorum commutatum (Schult. & Schult. f.) Morong USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00655835 Trillium grandiflorum (Michaux) Salisbury USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00810785 Uvularia perfoliata Linnaeus USA: Massachusetts Stow: Stow A. W. Hosmer
Malvaceae NEBC: 00660408 Hibiscus moscheutos Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Onagraceae NEBC: 01039964 Circaea alpina Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 01073706 Circaea canadensis canadensis (Linnaeus) Hill USA: Massachusetts Concord: Concord A. W. Hosmer
Ophioglossaceae NEBC: 00654685 Botrychium dissectum Sprengel USA: Massachusetts Concord: Concord A. W. Hosmer 1903
Orchidaceae NEBC: 01021078 Corallorhiza trifida Châtelain USA: Massachusetts Stow: Stow A. W. Hosmer
NEBC: 00728495 Galearis spectabilis (Linnaeus) Rafinesque USA: Massachusetts Sudbury: Sudbury A. W. Hosmer
NEBC: 01021682 Goodyera tesselata Loddiges USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 01016994 Listera cordata (Linnaeus) R. Brown USA: Massachusetts Sudbury: Sudbury A. W. Hosmer
NEBC: 01062246 Platanthera clavellata (Michaux) Luer USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 01062686 Platanthera dilatata dilatata USA: Massachusetts Sudbury: Sudbury A. W. Hosmer
NEBC: 00462448 Platanthera grandiflora (Bigelow) Lindley USA: Massachusetts Stow: Stow A. W. Hosmer
NEBC: 01056004 Platanthera macrophylla (Goldie) Lindley USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 01056004 Platanthera orbiculata (Pursh) Lindley USA: Massachusetts Concord: Concord A. W. Hosmer
Orobanchaceae NEBC: 00731053 Aureolaria virginica (Linnaeus) Pennell USA: Massachusetts Sudbury: Sudbury A. W. Hosmer
NEBC: 00733371 Castilleja coccinea (Linnaeus) Sprengel USA: Massachusetts Concord: Concord A. W. Hosmer
Oxalidaceae NEBC: 01028983 Oxalis montana Rafinesque USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00669702 Oxalis violacea Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Papaveraceae NEBC: 00697965 Adlumia fungosa (Aiton) Greene ex Britton, Stearn & Poggenburg USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00660057 Dicentra cucullaria (Linnaeus) Bernhardi USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00583969 Sanguinaria canadensis Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Phrymaceae NEBC: 00664725 Phryma leptostachya Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00664726 Phryma leptostachya Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Poaceae NEBC: 00583297 Phalaris canariensis Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
Polygalaceae GH: 00572398 Polygala paucifolia Willdenow USA: Massachusetts Concord: Concord A. W. Hosmer 1899-5-22
GH: 00572401 Polygala paucifolia Willdenow USA: Massachusetts Concord: Concord A. W. Hosmer 1899-5-22
GH: 00572399 Polygala paucifolia Willdenow USA: Massachusetts Concord: Concord A. W. Hosmer 1899-5-22
NEBC: 00572418 Polygala paucifolia Willdenow USA: Massachusetts Sudbury: Sudbury A. W. Hosmer
NEBC: 00752083 Polygala polygama Walter USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00423988 Polygala sanguinea albiflora Millspaugh USA: Massachusetts Concord: Concord A. W. Hosmer
Portulacaceae NEBC: 00675512 Claytonia caroliniana Michaux USA: Massachusetts Concord: Concord A. W. Hosmer
Potamogetonaceae NEBC: 01009249 Potamogeton epihydrus Rafinesque USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 01010195 Potamogeton pusillus gemmiparus J. W. Robbins USA: Massachusetts Concord: Concord A. W. Hosmer
Ranunculaceae NEBC: 00562052 Actaea pachypoda Elliott USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 01034398 Actaea rubra (Aiton) Willdenow USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00759891 Aquilegia vulgaris Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00759934 Xanthorhiza simplicissima Marsh. USA: Massachusetts Concord: Concord A. W. Hosmer
Rosaceae NEBC: 00649980 Agrimonia striata Michaux USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00756298 Potentilla fruticosa (Linnaeus) Rydberg USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00651652 Rubus odoratus Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00710168 Spiraea tomentosa Linnaeus USA: Massachusetts Carlisle: Carlisle A. W. Hosmer
Rubiaceae NEBC: 00503673 Galium asprellum Michaux USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00558423 Galium circaezans hypomalacum Fernald USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00866474 Galium palustre Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00707266 Galium pilosum Aiton USA: Massachusetts Concord: Concord A. W. Hosmer 1903
Rutaceae NEBC: 01070762 Zanthoxylum americanum Miller USA: Massachusetts Concord: Concord A. W. Hosmer 1903
Saxifragaceae NEBC: 01008742 Mitella diphylla Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 01038927 Tiarella cordifolia Linnaeus USA: Massachusetts Concord: Concord A. W. Hosmer 1903
Schizaeaceae NEBC: 00752978 Lygodium palmatum (Bernhardi) Swartz USA: Massachusetts Concord: West Concord, Ministerial Swamp A. W. Hosmer 1899-8-6
NEBC: 00752990 Lygodium palmatum (Bernhardi) Swartz USA: Massachusetts Concord: West Concord, Ministerial Swamp A. W. Hosmer 1899-8-6
Taxaceae NEBC: 00668448 Taxus canadensis Marshall USA: Massachusetts Concord: Concord A. W. Hosmer
Thelypteridaceae NEBC: 00631738 Phegopteris connectilis (Michaux) Watt USA: Massachusetts Concord: Concord A. W. Hosmer 1903
NEBC: 00631875 Phegopteris hexagonoptera (Michaux) Fée USA: Massachusetts Concord: Concord A. W. Hosmer 1903
Thymelaeaceae NEBC: 00523585 Daphne mezereum Linnaeus USA: Massachusetts Newburyport: Newburyport A. W. Hosmer
Violaceae NEBC: 00713793 Viola pubescens Aiton USA: Massachusetts Concord: Concord A. W. Hosmer
Woodsiaceae NEBC: 00676287 Woodsia ilvensis (Linnaeus) R. Brown USA: Massachusetts Concord: Concord A. W. Hosmer
NEBC: 00676684 Woodsia obtusa (Sprengel) Torrey USA: Massachusetts Concord: Concord A. W. Hosmer 1903
Xyridaceae NEBC: 00855215 Xyris montana Ries USA: Massachusetts Concord: Concord A. W. Hosmer
