Aceraceae GH: 00872391 Acer pensylvanicum Linnaeus USA: Massachusetts Plymouth: Watson's [Benjamin Marston Watson ... H. D. Thoreau 1857-6-15
GH: 00872391 Acer pensylvanicum Linnaeus USA: Maine E. branch Penob. [Penobscot River] H. D. Thoreau 1857
GH: 00872392 Acer saccharinum Wangenheim USA: Massachusetts Concord: [Thoreau was in Concord on this dat... H. D. Thoreau 1857-6-2
GH: 00872392 Acer saccharum Marshall USA: Massachusetts Concord: [Thoreau was in Concord on this dat... H. D. Thoreau 1857-6-2
GH: 00872390 Acer spicatum Lamarck USA: Maine Maine H. D. Thoreau 1857
Alismataceae GH: 00967210 Sagittaria graminea Michaux USA: Massachusetts Lincoln: H. D. Thoreau 1857-9-1
GH: 00967211 Sagittaria graminea Michaux USA: Massachusetts Lincoln: H. D. Thoreau 1857-9-1
GH: 01082390 Sagittaria graminea Michaux USA: Massachusetts Lincoln: H. D. Thoreau 1857-9-1
GH: 00967210 Sagittaria simplex Pursh USA: Massachusetts Lincoln: H. D. Thoreau 1857-9-1
GH: 00967211 Sagittaria simplex Pursh USA: Massachusetts Lincoln: H. D. Thoreau 1857-9-1
GH: 01082390 Sagittaria simplex Pursh USA: Massachusetts Lincoln: H. D. Thoreau 1857-9-1
Alliaceae GH: 01083897 Allium schoenoprasum Linnaeus USA: Maine E. Branch Penobscot [River, Grindstone] H. D. Thoreau 1857
GH: 01083897 Allium schoenoprasum sibericum (Linnaeus) Hartman USA: Maine E. Branch Penobscot [River, Grindstone] H. D. Thoreau 1857
GH: 01083897 Allium stellatum Fraser ex Ker Gawler USA: Maine E. Branch Penobscot [River, Grindstone] H. D. Thoreau 1857
Apiaceae GH: 00872631 Sium suave Walter USA: Massachusetts Concord: Sium of Owl Swamp H. D. Thoreau 1857-8-29
Apocynaceae GH: 00967152 Apocynum cannabinum Linnaeus USA: Maine E. Branch [Penobscot River, Grindstone Falls... H. D. Thoreau 1857
Asclepiadaceae GH: 00967156 Asclepias incarnata Linnaeus USA: Maine Umbazooksus River H. D. Thoreau 1857-7-27
Aspleniaceae GH: 01105568 Asplenium filix-femina (Linnaeus) Bernhardi USA: Massachusetts Concord: Corner Spring H. D. Thoreau 1857-7-17
Asteraceae GH: 00872744 Aster macrophyllus Linnaeus USA: Maine Webster Stream ["A careful reading of his mo... H. D. Thoreau 1857
GH: 00872879 Cirsium muticum Michaux USA: Maine Webster Stream H. D. Thoreau 1857
GH: 00872744 Eurybia macrophylla (Linnaeus) Cassini USA: Maine Webster Stream ["A careful reading of his mo... H. D. Thoreau 1857
GH: 00872918 Nabalus albus (Linnaeus) Hooker USA: H. D. Thoreau 1857
GH: 00872915 Nabalus altissimus (Linnaeus) Hooker USA: Massachusetts Concord: Botrychium Swamp H. D. Thoreau 1857
GH: 00872922 Nabalus fraseri de Candolle USA: Massachusetts Concord: H. D. Thoreau 1857
GH: 00872923 Nabalus fraseri de Candolle USA: Massachusetts Concord: H. D. Thoreau 1857
GH: 00872922 Nabalus serpentarius (Pursh) Hooker USA: Massachusetts Concord: H. D. Thoreau 1857
GH: 00872923 Nabalus serpentarius (Pursh) Hooker USA: Massachusetts Concord: H. D. Thoreau 1857
GH: 00872876 Senecio vulgaris Linnaeus USA: Massachusetts Plymouth: Plymouth H. D. Thoreau 1857-6-13
GH: 00872819 Solidago macrophylla Pursh USA: Maine Webster stream ["According to Thoreau's acco... H. D. Thoreau 1857
GH: 00872820 Solidago rigida Linnaeus USA: Massachusetts Concord: clam-shell Hill H. D. Thoreau 1857
GH: 00872820 Solidago speciosa Nuttall USA: Massachusetts Concord: clam-shell Hill H. D. Thoreau 1857
GH: 00872819 Solidago thyrsoidea E. Meyer USA: Maine Webster stream ["According to Thoreau's acco... H. D. Thoreau 1857
Athyriaceae GH: 01105568 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Massachusetts Concord: Corner Spring H. D. Thoreau 1857-7-17
Betulaceae GH: 00872941 Alnus incana (Linnaeus) Moench USA: Maine Chesuncook: Caucomgomoc ["J. Parker Huber in... H. D. Thoreau 1857
GH: 00872941 Alnus incana rugosa (Du Roi) R. T. Clausen USA: Maine Chesuncook: Caucomgomoc ["J. Parker Huber in... H. D. Thoreau 1857
GH: 00872940 Betula pumila Linnaeus USA: Maine Mud Pond Maine [T6 R13 WELS fide R. L. Angel... H. D. Thoreau 1857
Brassicaceae GH: 01105300 Raphanus raphanistrum Linnaeus USA: Massachusetts Truro: Truro H. D. Thoreau 1857-6-19
GH: 01105300 Raphanus sativus Linnaeus USA: Massachusetts Truro: Truro H. D. Thoreau 1857-6-19
Caprifoliaceae GH: 00872646 Viburnum opulus Linnaeus USA: Maine W. Branch [Penobscot River north of Lobster ... H. D. Thoreau 1857
GH: 00872646 Viburnum opulus trilobum (Marshall) R. T. Clausen USA: Maine W. Branch [Penobscot River north of Lobster ... H. D. Thoreau 1857
Caryophyllaceae GH: 00872360 Honckenya peploides (Linnaeus) Ehrhart USA: Massachusetts Plymouth: Plymouth Beach H. D. Thoreau 1857-6-13
GH: 00872360 Honckenya peploides robusta (Fernald) Hultén USA: Massachusetts Plymouth: Plymouth Beach H. D. Thoreau 1857-6-13
GH: 00872359 Silene latifolia alba (Miller) Greuter & Burdet USA: Massachusetts Dennis: Bass River H. D. Thoreau 1857-6-16
Cistaceae GH: 00872348 Hudsonia ericoides Linnaeus USA: Massachusetts Yarmouth: Cape Cod [South Yarmouth] H. D. Thoreau 1857-6-16
GH: 00872348 Hudsonia tomentosa Nuttall USA: Massachusetts Sandwich: Cape Cod H. D. Thoreau 1857-6-16
Cornaceae GH: 00872637 Cornus sericea Linnaeus USA: Massachusetts Plymouth: Watson's H. D. Thoreau 1857-6-13
GH: 00872637 Cornus stolonifera Michaux USA: Massachusetts Plymouth: Watson's H. D. Thoreau 1857-6-13
Equisetaceae GH: 00985437 Equisetum fluviatile Linnaeus USA: H. D. Thoreau 1857-8-14
GH: 00985437 Equisetum limosum Linnaeus USA: H. D. Thoreau 1857-8-14
GH: 00985438 Equisetum sylvaticum Linnaeus USA: Massachusetts Concord: H. D. Thoreau 1857
Ericaceae GH: 00967068 Ledum latifolium Aiton USA: Maine [Lake] Moosehead [Northeast Carry] H. D. Thoreau 1857
GH: 00967068 Rhododendron groenlandicum (Oeder) Kron & Judd USA: Maine [Lake] Moosehead [Northeast Carry] H. D. Thoreau 1857
GH: 00967056 Vaccinium canadense Kalm ex Richardson USA: Maine Kineo Township: [Mount] Kineo H. D. Thoreau 1857
GH: 00967056 Vaccinium myrtilloides Michaux USA: Maine Kineo Township: [Mount] Kineo H. D. Thoreau 1857
Fabaceae GH: 00872467 Lathyrus japonicus Willdenow USA: Massachusetts Plymouth: Plymouth Beach H. D. Thoreau 1857-6-13
GH: 00872468 Lathyrus palustris Linnaeus USA: Massachusetts Plymouth: Eel River Plymouth H. D. Thoreau 1857-6-15
Gentianaceae GH: 00967143 Halenia deflexa (Smith) Grisebach USA: Maine E. Branch [Penobscot River, T5 R8 WELS] H. D. Thoreau 1857
Hypericaceae GH: 00872352 Hypericum prolificum Linnaeus USA: Massachusetts Concord: Monroe's garden
H. D. Thoreau 1857-9-26
Lentibulariaceae GH: 00967090 Utricularia minor Linnaeus USA: Massachusetts Lincoln: Pleasant Meadow [east side of Fair ... H. D. Thoreau 1857
GH: 00967090 Utricularia minor Linnaeus USA: Massachusetts Concord: Olw-Nest Swamp H. D. Thoreau 1857-8-29
GH: 00967090 Utricularia sp. USA: Massachusetts Lincoln: Pleasant Meadow [east side of Fair ... H. D. Thoreau 1857
Liliaceae GH: 01083911 Lilium canadense Linnaeus USA: Maine W. Branch Penob. [Northeast Carry Township] H. D. Thoreau 1857-7-25
GH: 01083911 Lilium canadense Linnaeus USA: Maine E. Branch Penobscot H. D. Thoreau 1857
GH: 01083911 Lilium superbum Linnaeus USA: Maine E. Branch Penobscot H. D. Thoreau 1857
GH: 01083914 Streptopus amplexifolius (Linnaeus) de Candolle USA: Maine Moosehead Carry, Penobscot H. D. Thoreau 1857
GH: 01082447 Trillium erythrocarpum Michaux USA: Maine Maine H. D. Thoreau 1857
GH: 01082447 Trillium undulatum Willdenow USA: Maine Maine H. D. Thoreau 1857
GH: 01083914 Uvularia grandiflora Smith USA: Maine Moosehead Carry, Penobscot H. D. Thoreau 1857
Lobeliaceae GH: 00967047 Lobelia kalmii Linnaeus USA: Maine E. Branch [Penobscot River, Grindstone] H. D. Thoreau 1857
Nyssaceae GH: 00872639 Nyssa multiflora Wangenheim USA: Massachusetts Eastham: Eastham H. D. Thoreau 1857-6-17
GH: 00872639 Nyssa sylvatica Marshall USA: Massachusetts Eastham: Eastham H. D. Thoreau 1857-6-17
Orchidaceae GH: 01082430 Corallorhiza maculata (Rafinesque) Rafinesque USA: Massachusetts Concord: H. D. Thoreau 1857-8-29
GH: 01082430 Corallorhiza multiflora Nuttall USA: Massachusetts Concord: H. D. Thoreau 1857-8-29
GH: 01082429 Malaxis unifolia Michaux USA: Maine Mt. Kineo H. D. Thoreau 1857
GH: 01082429 Microstylis ophioglossoides (Muhlenberg ex Willdenow) Nuttall ex Eaton USA: Maine Mt. Kineo H. D. Thoreau 1857
GH: 01082398 Platanthera fimbriata (Aiton) Lindley USA: Maine Penobscot W. Branch [Northeast Carry Townshi... H. D. Thoreau 1857
GH: 01082398 Platanthera grandiflora (Bigelow) Lindley USA: Maine Penobscot W. Branch [Northeast Carry Townshi... H. D. Thoreau 1857
Orobanchaceae GH: 00967100 Agalinis tenuifolia (Vahl) Rafinesque USA: Massachusetts Concord: Owl Swamp path ledge H. D. Thoreau 1857-8-29
GH: 00967100 Gerardia tenuifolia Vahl USA: Massachusetts Concord: Owl Swamp path ledge H. D. Thoreau 1857-8-29
Pinaceae GH: 00967038 Abies nigra (Aiton) Poiret USA: Massachusetts Concord: Kalmia Swamp H. D. Thoreau 1857-5-25
GH: 00967038 Picea mariana (Miller) Brittan, Sterns & Poggenburg USA: Massachusetts Concord: Kalmia Swamp H. D. Thoreau 1857-5-25
GH: 00967035 Pinus banksiana Lambert USA: Maine Grand Lake [Matagnon] H. D. Thoreau 1857
Ranunculaceae GH: 00589625 Thalictrum dioicum Linnaeus USA: Massachusetts Concord: Thalictrum Rock H. D. Thoreau 1857-9-4
Rosaceae GH: 00872551 Crataegus coccinea Linnaeus USA: Massachusetts Concord: Island [Egg Rock at confluence of A... H. D. Thoreau 1857-8-14
GH: 00872551 Crataegus monogyna Jacquin USA: Massachusetts Concord: Island [Egg Rock at confluence of A... H. D. Thoreau 1857-8-14
GH: 00872551 Crataegus monogyna Jacquin USA: Massachusetts Natick: Natic H. D. Thoreau 1857
GH: 00872525 Crataegus prunifolia (Marshall) Baumgarten USA: Massachusetts Plymouth: up to Watson H. D. Thoreau 1857-6
GH: 00872485 Potentilla anserina Linnaeus USA: Massachusetts Dennis: Swan Pond River H. D. Thoreau 1857-6-16
GH: 00872485 Potentilla pensylvanica Linnaeus USA: Massachusetts Plymouth: Watson's H. D. Thoreau 1857-6
GH: 00872485 Potentilla recta Linnaeus USA: Massachusetts Plymouth: Watson's H. D. Thoreau 1857-6
GH: 00872486 Potentilla tridentata Aiton USA: Maine Mt. Kineo H. D. Thoreau 1857
GH: 00872476 Prunus depressa Pursh USA: Maine E. Branch Penob [Penobscot River, T3 R7 WELS... H. D. Thoreau 1857
GH: 00872475 Prunus maritima Marshall USA: Massachusetts Truro: Truro H. D. Thoreau 1857-6-19
GH: 00872476 Prunus pumila depressa (Pursh) Gleason USA: Maine E. Branch Penob [Penobscot River, T3 R7 WELS... H. D. Thoreau 1857
GH: 00872545 Pyrus americana (Marshall) Sprengel USA: Massachusetts Plymouth: Watson's H. D. Thoreau 1857
GH: 00872545 Pyrus aucuparia (Linnaeus) Gaertner USA: Massachusetts Plymouth: Watson's H. D. Thoreau 1857
GH: 00872491 Rubus pensilvanicus Poiret USA: Massachusetts Concord: Conantum H. D. Thoreau 1857-8-25
GH: 00872491 Rubus villosus frondosus (Bigelow) Torrey USA: Massachusetts Concord: Conantum H. D. Thoreau 1857-8-25
GH: 00872545 Sorbus americana Marshall USA: Massachusetts Plymouth: Watson's H. D. Thoreau 1857
GH: 00872545 Sorbus aucuparia Linnaeus USA: Massachusetts Plymouth: Watson's H. D. Thoreau 1857
Rubiaceae GH: 00872745 Houstonia longifolia Gaertner USA: Massachusetts Waltham: Prospect Hill H. D. Thoreau 1857-9-3
GH: 00872745 Oldenlandia purpurea longifolia (Gaertner) A. Gray USA: Massachusetts Waltham: Prospect Hill H. D. Thoreau 1857-9-3
Salicaceae GH: 00967031 Salix babylonica Linnaeus USA: Massachusetts Concord: H. D. Thoreau 1857-6-1
GH: 00967028 Salix bebbiana Sargent USA: Massachusetts Concord: H. D. Thoreau 1857-5-14
GH: 00967017 Salix cordata Michaux USA: Massachusetts Concord: RR. [Railroad] H. D. Thoreau 1857-7-8
GH: 00967020 Salix discolor Muhlenberg USA: Massachusetts Concord: H. D. Thoreau 1857-5-14
GH: 00967017 Salix eriocephala Michaux USA: Massachusetts Concord: RR. [Railroad] H. D. Thoreau 1857-7-8
GH: 00967022 Salix humilis Marshall USA: Massachusetts Concord: H. D. Thoreau 1857-5-12
GH: 00967022 Salix humilis Marshall USA: Massachusetts Concord: sedge path H. D. Thoreau 1857-5-17
GH: 00967029 Salix nigra Marshall USA: H. D. Thoreau 1857
GH: 00967032 Salix pedicellaris Pursh USA: Massachusetts Concord: RR [Railroad] Track H. D. Thoreau 1857-5-12
GH: 00967018 Salix petiolaris Smith USA: Massachusetts Concord: 2 rods W of Rock H. D. Thoreau 1857-5-8
GH: 00967019 Salix petiolaris Smith USA: Massachusetts Concord: Wheeler Gate [Samuel Greene Wheeler... H. D. Thoreau 1857-5-10
GH: 00967028 Salix rostrata Richardson USA: Massachusetts Concord: H. D. Thoreau 1857-5-14
GH: 00967031 Salix sepulcralis Simonkai USA: Massachusetts Concord: H. D. Thoreau 1857-6-1
GH: 00967018 Salix sericea Marshall USA: Massachusetts Concord: H. D. Thoreau 1857-5-24
GH: 00967018 Salix sp. USA: Massachusetts Concord: H. D. Thoreau 1857-8-25
GH: 00967018 Salix sp. USA: Massachusetts Concord: H. D. Thoreau 1857-8-25
GH: 00967019 Salix sp. USA: Massachusetts Concord: Wheeler Gate [Samuel Greene Wheeler... H. D. Thoreau 1857-5-10
GH: 00967020 Salix sp. USA: Massachusetts Concord: N E Barn nr Ind. field H. D. Thoreau 1857-5-9
Saxifragaceae GH: 00872590 Ribes lacustre (Persoon) Poiret USA: Maine [T6 R13 WELS fide R. L. Angelo (in litt.) 27... H. D. Thoreau 1857
Taxaceae GH: 00967040 Taxus baccata Linnaeus USA: Massachusetts Concord: F. H. Hill [Fair Haven Hill] H. D. Thoreau 1857
GH: 00967040 Taxus canadensis Marshall USA: Massachusetts Concord: F. H. Hill [Fair Haven Hill] H. D. Thoreau 1857
Woodsiaceae GH: 01105647 Woodsia ilvensis (Linnaeus) R. Brown USA: Massachusetts Concord: Bateman's Pond H. D. Thoreau 1857-9-4