Collection: Wetland Flora
| Specimen ID |
Family Name |
Scientific Name |
USDA Common Name |
Collection Site |
Image |
| 914 | Acoraceae | Acorus calamus | calamus | |  |
| 1322 | Adoxaceae | Sambucus nigra ssp. canadensis | American black elderberry | | |
| 984 | Adoxaceae | Viburnum dentatum | | | |
| 968 | Adoxaceae | Viburnum lantanoides | hobblebush | | |
| 1324 | Adoxaceae | Viburnum lantanoides | hobblebush | River Rd, Souhegan River | |
| 1325 | Adoxaceae | Viburnum lentago | nannyberry | Rt 4 | |
| 982 | Adoxaceae | Viburnum nudum var. cassinoides | withe-rod | | |
| 1326 | Adoxaceae | Viburnum nudum var. cassinoides | withe-rod | | |
| 1329 | Adoxaceae | Viburnum opulus | American cranberrybush | | |
| 3843 | Alismataceae | Alisma subcordatum | European water plantain | | |
| 3844 | Alismataceae | Alisma subcordatum | European water plantain | | |
| 1275 | Alismataceae | Sagittaria latifolia | broadleaf arrowhead | Surry Lake | |
| 3901 | Alismataceae | Sagittaria latifolia | broadleaf arrowhead | Broad Brook | |
| 1245 | Altingiaceae | Liquidambar styraciflua | sweetgum | Off Rt 70 | |
| 3862 | Amaranthaceae | Atriplex patula | spear saltbush | | |
| 1332 | Amaranthaceae | Salicornia maritima | slender grasswort | Sparwink River Marsh | |
| 904 | Anacardiaceae | Toxicodendron vernix | poison sumac | | |
| 3849 | Apiaceae | Angelica lucida | seacoast angelica | Wells Reserve | |
| 905 | Apiaceae | Cicuta bulbifera | bulblet-bearing water hemlock | Great Meadow | |
| 1278 | Apiaceae | Cicuta maculata | spotted water hemlock | | |
| 3846 | Apiaceae | Cicuta maculata | spotted water hemlock | McCabe Property | |
| 1279 | Apiaceae | Hydrocotyle americana | American marshpennywort | McCabe Property | |
| 908 | Apiaceae | Sium suave | hemlock waterparsnip | | |
| 1280 | Apiaceae | Sium suave | hemlock waterparsnip | West Hill | |
| 909 | Apiaceae | Zizia aurea | golden zizia | Horatio Colony Preserve | |
| 921 | Apocynaceae | Asclepias incarnata | swamp milkweed | | |
| 1288 | Apocynaceae | Asclepias incarnata | swamp milkweed | World's End Pond | |
| 912 | Aquifoliaceae | Ilex mucronata | catberry | West Hill | |
| 3904 | Aquifoliaceae | Ilex mucronata | catberry | Dillant Hopkins Airport | |
| 3877 | Aquifoliaceae | Ilex verticillata | common winterberry | Fitzgerald Lake | |
| 915 | Araceae | Arisaema triphyllum | Jack in the pulpit | Horatio Colony Preserve | |
| 916 | Araceae | Calla palustris | water arum | KNB, Cricenti Bog | |
| 4017 | Araceae | Calla palustris | water arum | | |
| 1088 | Araceae | Lemna minor | common duckweed | LaPlatte River | |
| 917 | Araceae | Peltandra virginica | green arrow arum | Assabet River | |
| 1404 | Araceae | Spirodela polyrrhiza | common duckmeat | | |
| 913 | Araceae | Symplocarpus foetidus | skunk cabbage | Rt 4, East Of Suncook River | |
| 933 | Asteraceae | Bidens connata | purplestem beggarticks | | |
| 1295 | Asteraceae | Bidens connata | purplestem beggarticks | | |
| 934 | Asteraceae | Bidens frondosa | devil's beggartick | | |
| 931 | Asteraceae | Doellingeria umbellata var. umbellata | parasol whitetop | Farmstead Commons Swamp | |
| 940 | Asteraceae | Eupatorium perfoliatum | common boneset | | |
| 1302 | Asteraceae | Euthamia graminifolia | flat-top goldentop | Robin Hood Park | |
| 938 | Asteraceae | Eutrochium maculatum var. maculatum | spotted trumpetweed | Nelson Rd. | |
| 4018 | Asteraceae | Eutrochium maculatum var. maculatum | spotted trumpetweed | | |
| 939 | Asteraceae | Eutrochium purpureum var. purpureum | sweetscented joe pye weed | McCabe Property | |
| 941 | Asteraceae | Iva frutescens ssp. oraria | Jesuit's bark | | |
| 925 | Asteraceae | Oclemena acuminata | whorled wood aster | | |
| 927 | Asteraceae | Oclemena nemoralis | bog aster | Gustim Pond | |
| 4020 | Asteraceae | Packera aurea | golden ragwort | | |
| 943 | Asteraceae | Packera schweinitziana | Schweinitz's ragwort | Upper Hanover Reservoir | |
| 4019 | Asteraceae | Packera schweinitziana | Schweinitz's ragwort | | |
| 1305 | Asteraceae | Solidago rugosa | wrinkleleaf goldenrod | | |
| 948 | Asteraceae | Solidago sempervirens | seaside goldenrod | | |
| 949 | Asteraceae | Solidago uliginosa | bog goldenrod | | |
| 930 | Asteraceae | Symphyotrichum lanceolatum ssp. lanceolatum var. lanceolatum | white panicle aster | Paradise Peak | |
| 926 | Asteraceae | Symphyotrichum lateriflorum var. lateriflorum | calico aster | Colgate U. Stillman Hall | |
| 932 | Asteraceae | Symphyotrichum lateriflorum var. lateriflorum | calico aster | | |
| 928 | Asteraceae | Symphyotrichum novae-angliae | New England aster | | |
| 929 | Asteraceae | Symphyotrichum puniceum var. puniceum | purplestem aster | | |
| 1307 | Balsaminaceae | Impatiens capensis | jewelweed | | |
| 954 | Betulaceae | Alnus incana ssp. rugosa | speckled alder | | |
| 1309 | Betulaceae | Alnus incana ssp. rugosa | speckled alder | Riddle Brook, MEadow Rd | |
| 955 | Betulaceae | Alnus serrulata | hazel alder | | |
| 956 | Betulaceae | Betula alleghaniensis | yellow birch | | |
| 1311 | Betulaceae | Betula alleghaniensis | yellow birch | | |
| 957 | Betulaceae | Betula lenta | sweet birch | | |
| 1312 | Betulaceae | Betula lenta | sweet birch | | |
| 958 | Betulaceae | Betula nigra | river birch | | |
| 960 | Betulaceae | Betula populifolia | gray birch | | |
| 961 | Betulaceae | Carpinus caroliniana | American hornbeam | | |
| 1314 | Betulaceae | Carpinus caroliniana | American hornbeam | | |
| 962 | Betulaceae | Corylus americana | American hazelnut | | |
| 965 | Bignoniaceae | Catalpa speciosa | northern catalpa | Robin Hood Park | |
| 966 | Blechnaceae | Woodwardia areolata | netted chainfern | | |
| 967 | Boraginaceae | Myosotis scorpioides | true forget-me-not | | |
| 1676 | Boraginaceae | Myosotis scorpioides | true forget-me-not | | |
| 969 | Brassicaceae | Nasturtium officinale | watercress | | |
| 970 | Brassicaceae | Rorippa palustris | bog yellowcress | Stump Pond | |
| 971 | Brassicaceae | Rorippa sylvestris | creeping yellowcress | | |
| 1319 | Brassicaceae | Rorippa sylvestris | creeping yellowcress | Harris Center | |
| 1416 | Campanulaceae | Lobelia cardinalis | cardinalflower | | |
| 974 | Caprifoliaceae | Linnaea borealis ssp. americana | | Rt 123, Rye Pond | |
| 977 | Caprifoliaceae | Lonicera villosa var. villosa | sweetberry honeysuckle | Tenent Swamp | |
| 987 | Caryophyllaceae | Moehringia lateriflora | bluntleaf sandwort | Swan's Island | |
| 3850 | Caryophyllaceae | Moehringia lateriflora | bluntleaf sandwort | Little River Estuary | |
| 3852 | Caryophyllaceae | Myosoton aquaticum | giantchickweed | Little River | |
| 994 | Clethraceae | Clethra alnifolia | coastal sweetpepperbush | Bixby Pond | |
| 995 | Commelinaceae | Commelina communis | Asiatic dayflower | | |
| 997 | Cornaceae | Chamaepericlymenum canadense | bunchberry dogwood | | |
| 1121 | Cornaceae | Nyssa sylvatica | blackgum | Horatio Colony Preserve | |
| 1334 | Cornaceae | Swida amomum | silky dogwood | | |
| 998 | Cornaceae | Swida racemosa | gray dogwood | | |
| 999 | Cornaceae | Swida sericea | redosier dogwood | | |
| 1000 | Cupressaceae | Chamaecyparis thyoides | Atlantic white cedar | | |
| 1002 | Cupressaceae | Thuja occidentalis | arborvitae | 14 Main St. | |
| 3909 | Cyperaceae | Carex crinita | fringed sedge | Tenant Swamp | |
| 3907 | Cyperaceae | Carex echinata | star sedge | Robin Hood Park | |
| 3906 | Cyperaceae | Carex lasiocarpa ssp. americana | woollyfruit sedge | Tenant Swamp | |
| 3851 | Cyperaceae | Carex lonchocarpa | southern long sedge | | |
| 3910 | Cyperaceae | Carex lurida | shallow sedge | Robin Hood Park | |
| 3926 | Cyperaceae | Carex magellanica ssp. irrigua | boreal bog sedge | Tenant Swamp | |
| 4035 | Cyperaceae | Carex retrorsa | knotsheath sedge | Roadside Ditch | |
| 3885 | Cyperaceae | Carex scoparia | broom sedge | Earle St. | |
| 3951 | Cyperaceae | Carex stricta | upright sedge | Fitzgerald Lake | |
| 3962 | Cyperaceae | Carex tribuloides | blunt broom sedge | Keene Cemetery | |
| 3921 | Cyperaceae | Carex vulpinoidea | fox sedge | Beach Street | |
| 3948 | Cyperaceae | Dulichium arundinaceum | threeway sedge | Pisgah State Park | |
| 3960 | Cyperaceae | Eriophorum vaginatum ssp. spissum | tussock cottongrass | Tenant Swamp | |
| 3854 | Cyperaceae | Scirpus atrovirens | green bulrush | Tenant Swamp | |
| 1005 | Droseraceae | Drosera intermedia | spoonleaf sundew | | |
| 1006 | Droseraceae | Drosera rotundifolia | roundleaf sundew | | |
| 1009 | Dryopteridaceae | Dryopteris carthusiana | spinulose woodfern | Horatio Colony Preserve | |
| 1010 | Dryopteridaceae | Dryopteris clintoniana | Clinton's woodfern | Base Hill Rd | |
| 1011 | Dryopteridaceae | Dryopteris cristata | crested woodfern | | |
| 1017 | Elatinaceae | Elatine americana | American waterwort | | |
| 1018 | Equisetaceae | Equisetum arvense | field horsetail | | |
| 1019 | Equisetaceae | Equisetum fluviatile | water horsetail | | |
| 3930 | Equisetaceae | Equisetum fluviatile | water horsetail | Route 12 | |
| 1020 | Equisetaceae | Equisetum hyemale | scouringrush horsetail | | |
| 1354 | Equisetaceae | Equisetum scirpoides | dwarf scouringrush | | |
| 1022 | Equisetaceae | Equisetum sylvaticum | woodland horsetail | | |
| 1023 | Equisetaceae | Equisetum variegatum | variegated scouringrush | | |
| 1024 | Ericaceae | Andromeda polifolia var. glaucophylla | bog rosemary | Dillant Hopkins Airport Bog | |
| 3920 | Ericaceae | Andromeda polifolia var. glaucophylla | bog rosemary | Dillant Hopkins Airport | |
| 1025 | Ericaceae | Chamaedaphne calyculata | leatherleaf | | |
| 1028 | Ericaceae | Gaylussacia frondosa | blue huckleberry | Cliff Pond, Nickerson St. Pk. | |
| 1029 | Ericaceae | Kalmia angustifolia | sheep laurel | River Rd | |
| 1031 | Ericaceae | Kalmia polifolia | bog laurel | | |
| 1033 | Ericaceae | Lyonia ligustrina | maleberry | | |
| 1363 | Ericaceae | Lyonia ligustrina | maleberry | | |
| 1465 | Ericaceae | Pyrola elliptica | waxflower shinleaf | | |
| 1034 | Ericaceae | Rhododendron canadense | rhodora | | |
| 1032 | Ericaceae | Rhododendron groenlandicum | bog Labrador tea | WKNE Radio, Tenent Swamp | |
| 1035 | Ericaceae | Rhododendron maximum | great laurel | Public Park | |
| 1036 | Ericaceae | Rhododendron prinophyllum | early azalea | Rt 123 | |
| 1037 | Ericaceae | Rhododendron viscosum | swamp azalea | | |
| 1039 | Ericaceae | Vaccinium corymbosum | highbush blueberry | Lawn, Kaufman Dr. | |
| 1040 | Ericaceae | Vaccinium macrocarpon | cranberry | | |
| 1367 | Ericaceae | Vaccinium macrocarpon | cranberry | Rt 111, Pelham | |
| 1041 | Ericaceae | Vaccinium myrtilloides | velvetleaf huckleberry | | |
| 1042 | Ericaceae | Vaccinium oxycoccos | small cranberry | Tenent Swamp | |
| 1369 | Eriocaulaceae | Eriocaulon aquaticum | sevenangle pipewort | Rye Pond | |
| 1044 | Fabaceae | Amphicarpaea bracteata | American hogpeanut | | |
| 1370 | Fabaceae | Amphicarpaea bracteata | American hogpeanut | McCabe Property | |
| 1045 | Fabaceae | Apios americana | groundnut | | |
| 1371 | Fabaceae | Apios americana | groundnut | | |
| 1058 | Gentianaceae | Bartonia virginica | yellow screwstem | | |
| 1059 | Gentianaceae | Gentiana clausa | bottle gentian | | |
| 1060 | Gentianaceae | Gentiana linearis | narrowleaf gentian | Rt 9 | |
| 3927 | Grossulariaceae | Ribes hirtellum | hairystem gooseberry | Tenant Swamp | |
| 1065 | Haloragaceae | Myriophyllum humile | low watermilfoil | Contoocook River | |
| 1064 | Haloragaceae | Myriophyllum spicatum | Eurasian watermilfoil | Upper Hanover Reservoir | |
| 1387 | Haloragaceae | Proserpinaca palustris | marsh mermaidweed | Contoocook Rover | |
| 1388 | Hamamelidaceae | Hamamelis virginiana | American witchhazel | | |
| 1419 | Huperziaceae | Huperzia appressa | Appalachian clubmoss | Mount Monadnock | |
| 3079 | Huperziaceae | Huperzia lucidula | shining clubmoss | | |
| 1426 | Hydrocharitaceae | Elodea canadensis | Canadian waterweed | | |
| 1067 | Hydrocharitaceae | Vallisneria americana | American eelgrass | | |
| 1068 | Hypericaceae | Hypericum canadense | lesser Canadian St. Johnswort | Horatio Colony Preserve | |
| 1069 | Hypericaceae | Hypericum ellipticum | pale St. Johnswort | | |
| 1070 | Hypericaceae | Hypericum mutilum | dwarf St. Johnswort | McCabe Property | |
| 892 | Hypericaceae | Hypericum punctatum | spotted St. Johnswort | Horatio Colony Preserve | |
| 1072 | Hypericaceae | Triadenum virginicum | Virginia marsh St. Johnswort | Chesterfield Bog | |
| 1073 | Iridaceae | Iris versicolor | harlequin blueflag | | |
| 1394 | Iridaceae | Iris versicolor | harlequin blueflag | Rt 124 | |
| 1395 | Iridaceae | Sisyrinchium montanum | strict blue-eyed grass | | |
| 4236 | Isoetaceae | Isoetes tuckermanii | Tuckerman's quillwort | Warren Pond | |
| 3848 | Juncaceae | Juncus balticus ssp. littoralis | mountain rush | Little River Estuary | |
| 4255 | Juncaceae | Juncus effusus | common rush | | |
| 3911 | Juncaceae | Juncus tenuis var. antuelatus | poverty rush | Robin Hood Park | |
| 1079 | Lamiaceae | Galeopsis tetrahit | brittlestem hempnettle | | |
| 4204 | Lamiaceae | Galeopsis tetrahit | brittlestem hempnettle | | |
| 3842 | Lamiaceae | Lycopus americanus | American water horehound | Harrington Pd. | |
| 4040 | Lamiaceae | Lycopus uniflorus | northern bugleweed | | |
| 4190 | Lamiaceae | Lycopus virginicus | Virginia water horehound | | |
| 1082 | Lamiaceae | Mentha arvensis | wild mint | Flints Pond | |
| 1078 | Lamiaceae | Mentha xpiperita | peppermint | Bennis Mtn | |
| 1084 | Lamiaceae | Scutellaria galericulata | marsh skullcap | McCabe Property | |
| 1400 | Lamiaceae | Scutellaria galericulata | marsh skullcap | Turkey Pond | |
| 1085 | Lamiaceae | Scutellaria lateriflora | blue skullcap | | |
| 1086 | Lauraceae | Lindera benzoin | northern spicebush | | |
| 1402 | Lauraceae | Lindera benzoin | northern spicebush | Black Ash Swamp | |
| 1090 | Lentibulariaceae | Utricularia cornuta | horned bladderwort | | |
| 1260 | Lentibulariaceae | Utricularia intermedia | flatleaf bladderwort | | |
| 1091 | Lentibulariaceae | Utricularia vulgaris ssp. macrorhiza | common bladderwort | | |
| 1092 | Liliaceae | Clintonia borealis | bluebead | | |
| 1407 | Liliaceae | Clintonia borealis | bluebead | Rhododendron Park | |
| 1093 | Liliaceae | Lilium canadense | Canada lily | McCabe Property | |
| 1111 | Lycopodiaceae | Dendrolycopodium obscurum | rare clubmoss | | |
| 1418 | Lycopodiaceae | Diphasiastrum digitatum | fan clubmoss | West Hill | |
| 1110 | Lycopodiaceae | Lycopodium clavatum | running clubmoss | | |
| 1109 | Lycopodiaceae | Spinulum annotinum | stiff clubmoss | | |
| 1112 | Lythraceae | Lythrum salicaria | purple loosestrife | | |
| 1425 | Lythraceae | Lythrum salicaria | purple loosestrife | | |
| 1113 | Magnoliaceae | Liriodendron tulipifera | tuliptree | | |
| 1103 | Melanthiaceae | Veratrum viride | green false hellebore | Rt 124- Gap Mtn | |
| 1061 | Menyanthaceae | Menyanthes trifoliata | buckbean | Rye Pond | |
| 1428 | Myricaceae | Morella caroliniensis | northern bayberry | | |
| 1427 | Myricaceae | Myrica gale | sweetgale | | |
| 1176 | Myrsinaceae | Lysimachia borealis | | Rt 119 | |
| 1170 | Myrsinaceae | Lysimachia ciliata | fringed loosestrife | | |
| 1171 | Myrsinaceae | Lysimachia nummularia | creeping jenny | Horatio Colony Preserve | |
| 1461 | Myrsinaceae | Lysimachia quadrifolia | whorled yellow loosestrife | Railroad | |
| 1174 | Myrsinaceae | Lysimachia terrestris | earth loosestrife | | |
| 1462 | Myrsinaceae | Lysimachia terrestris | earth loosestrife | Turkey Pond | |
| 3879 | Myrsinaceae | Lysimachia terrestris | earth loosestrife | Fitzgerald Lake | |
| 1175 | Myrsinaceae | Lysimachia xproducta | yellow loosestrife | Flint's Pond | |
| 1119 | Nymphaeaceae | Brasenia schreberi | watershield | | |
| 1120 | Nymphaeaceae | Nymphaea odorata | American white waterlily | Silver Hill Bog | |
| 1430 | Nymphaeaceae | Nymphaea odorata | American white waterlily | 3 Mile Brook | |
| 1123 | Oleaceae | Fraxinus nigra | black ash | Willow Brook | |
| 1433 | Oleaceae | Fraxinus nigra | black ash | Continental Blvd | |
| 1124 | Oleaceae | Fraxinus pennsylvanica | green ash | Ashuelot River Park | |
| 1127 | Onagraceae | Chamerion angustifolium ssp. angustifolium | fireweed | | |
| 1125 | Onagraceae | Circaea alpina | small enchanter's nightshade | Horatio Colony Preserve | |
| 1437 | Onagraceae | Ludwigia palustris | marsh seedbox | Great Meadow | |
| 1014 | Onocleaceae | Matteuccia struthiopteris | ostrich fern | | |
| 1015 | Onocleaceae | Onoclea sensibilis | sensitive fern | | |
| 1350 | Onocleaceae | Onoclea sensibilis | sensitive fern | Otter Brook | |
| 1131 | Ophioglossaceae | Botrychium angustisegmentum | lanceleaf grapefern | West Hill | |
| 1134 | Orchidaceae | Pogonia ophioglossoides | snakemouth orchid | | |
| 1440 | Orchidaceae | Pogonia ophioglossoides | snakemouth orchid | | |
| 1136 | Osmundaceae | Osmunda claytoniana | interrupted fern | | |
| 1442 | Osmundaceae | Osmunda claytoniana | interrupted fern | Ashuelot River Park | |
| 1137 | Osmundaceae | Osmunda regalis | royal fern | | |
| 1443 | Osmundaceae | Osmunda regalis | royal fern | Redemption Rock Trail, Rt 140 | |
| 1135 | Osmundaceae | Osmundastrum cinnamomeum | cinnamon fern | | |
| 1441 | Osmundaceae | Osmundastrum cinnamomeum | cinnamon fern | Horatio Colony Preserve | |
| 1444 | Oxalidaceae | Oxalis montana | mountain woodsorrel | White Arrow Tr, 2400' Elev. | |
| 1237 | Phrymaceae | Mimulus ringens | Allegheny monkeyflower | | |
| 1445 | Pinaceae | Abies balsamea | balsam fir | Horatio Colony Preserve | |
| 1141 | Pinaceae | Larix laricina | tamarack | | |
| 1143 | Pinaceae | Picea mariana | black spruce | | |
| 972 | Plantaginaceae | Callitriche heterophylla | twoheaded water-starwort | | |
| 1235 | Plantaginaceae | Chelone glabra | white turtlehead | | |
| 1149 | Platanaceae | Platanus occidentalis | American sycamore | | |
| 1150 | Plumbaginaceae | Limonium carolinianum | lavender thrift | | |
| 1151 | Plumbaginaceae | Limonium carolinianum | lavender thrift | | |
| 3864 | Plumbaginaceae | Limonium carolinianum | lavender thrift | | |
| 3871 | Poaceae | Calamagrostis canadensis | bluejoint | Fitzgerald Lake | |
| 3860 | Poaceae | Distichlis spicata | saltgrass | | |
| 3866 | Poaceae | Phalaris arundinacea | reed canarygrass | Fitzgerald Lake | |
| 3972 | Poaceae | Thinopyrum pycnanthum | stiff-leaf quackgrass | | |
| 1152 | Polygonaceae | Persicaria amphibia | water knotweed | Pleasent Pond | |
| 1153 | Polygonaceae | Persicaria arifolia | halberdleaf tearthumb | | |
| 1156 | Polygonaceae | Persicaria lapathifolia | curlytop knotweed | Stump Pond | |
| 1158 | Polygonaceae | Persicaria maculosa | spotted ladysthumb | | |
| 3893 | Polygonaceae | Persicaria maculosa | spotted ladysthumb | Earle St. | |
| 1157 | Polygonaceae | Persicaria pensylvanica | Pennsylvania smartweed | | |
| 1159 | Polygonaceae | Persicaria punctata | dotted smartweed | Pierce Park | |
| 1454 | Polygonaceae | Persicaria sagittata | arrowleaf tearthumb | | |
| 1167 | Pontederiaceae | Pontederia cordata | pickerelweed | | |
| 1458 | Potamogetonaceae | Potamogeton epihydrus | ribbonleaf pondweed | Ipswich River | |
| 1169 | Potamogetonaceae | Potamogeton gramineus | variableleaf pondweed | Bristol Pond | |
| 1177 | Pteridaceae | Adiantum pedatum | northern maidenhair | | |
| 1466 | Ranunculaceae | Anemone virginiana | tall thimbleweed | | |
| 1180 | Ranunculaceae | Caltha palustris | yellow marsh marigold | | |
| 3889 | Ranunculaceae | Clematis virginiana | devil's darning needles | Fitzgerald Lake | |
| 1182 | Ranunculaceae | Coptis trifolia | threeleaf goldthread | | |
| 1057 | Ranunculaceae | Ranunculus acris | tall buttercup | E. Surry Rd. | |
| 1383 | Ranunculaceae | Ranunculus acris | tall buttercup | | |
| 1183 | Ranunculaceae | Thalictrum pubescens | king of the meadow | | |
| 1469 | Ranunculaceae | Thalictrum pubescens | king of the meadow | Ashuelot River Trail | |
| 1185 | Rhamnaceae | Frangula alnus | glossy buckthorn | | |
| 1186 | Rhamnaceae | Rhamnus alnifolia | alderleaf buckthorn | | |
| 1187 | Rosaceae | Amelanchier arborea | common serviceberry | | |
| 1471 | Rosaceae | Amelanchier arborea | common serviceberry | Willard Pond | |
| 1188 | Rosaceae | Amelanchier canadensis | Canadian serviceberry | | |
| 1189 | Rosaceae | Amelanchier sp. | serviceberry | Cedar Island Marina | |
| 3853 | Rosaceae | Argentina anserina | silverweed cinquefoil | Little River Estuary | |
| 4038 | Rosaceae | Argentina anserina | silverweed cinquefoil | | |
| 3923 | Rosaceae | Aronia melanocarpa | black chokeberry | Dillant Hopkins Airport | |
| 3506 | Rosaceae | Dasiphora floribunda | shrubby cinquefoil | | |
| 1195 | Rosaceae | Geum rivale | purple avens | Hanover Resevoir | |
| 1197 | Rosaceae | Physocarpus opulifolius | common ninebark | Robin Hood Park | |
| 1203 | Rosaceae | Rosa palustris | swamp rose | | |
| 1193 | Rosaceae | Rubus dalibarda | robin runaway | Base Hill | |
| 1484 | Rosaceae | Rubus hispidus | bristly dewberry | | |
| 1208 | Rosaceae | Rubus idaeus | American red raspberry | | |
| 1486 | Rosaceae | Rubus pubescens | dwarf red blackberry | Horatio Colony Preserve | |
| 1488 | Rosaceae | Spiraea alba var. latifolia | | Peat Bog | |
| 1489 | Rosaceae | Spiraea tomentosa | steeplebush | | |
| 1215 | Rubiaceae | Cephalanthus occidentalis | common buttonbush | | |
| 1490 | Rubiaceae | Cephalanthus occidentalis | common buttonbush | | |
| 1216 | Rubiaceae | Galium asprellum | rough bedstraw | Hammon Hollow Rd | |
| 1217 | Rubiaceae | Galium palustre | common marsh bedstraw | Otter Brook Reservoir | |
| 1491 | Rubiaceae | Galium palustre | common marsh bedstraw | Near Contoocook River | |
| 1268 | Ruppiaceae | Ruppia maritima | widgeongrass | | |
| 1408 | Ruscaceae | Maianthemum canadense | Canada mayflower | Ashuelot River Park | |
| 1099 | Ruscaceae | Maianthemum stellatum | starry false lily of the valley | Connecticut River | |
| 1412 | Ruscaceae | Maianthemum stellatum | starry false lily of the valley | | |
| 1100 | Ruscaceae | Maianthemum trifolium | threeleaf false lily of the valley | Wkne Fen | |
| 1220 | Salicaceae | Populus deltoides | eastern cottonwood | | |
| 1496 | Salicaceae | Salix alba | white willow | | |
| 1225 | Salicaceae | Salix candida | sageleaf willow | Upper Hanover Resevoir | |
| 1498 | Salicaceae | Salix discolor | pussy willow | Meadow Rd. | |
| 1226 | Salicaceae | Salix eriocephala | heartleaf willow | Otterbrook Rec. Area | |
| 1229 | Salicaceae | Salix nigra | black willow | | |
| 1230 | Salicaceae | Salix sericea | silky willow | | |
| 1497 | Salicaceae | Salix xsepulcralis | weeping willow | | |
| 894 | Sapindaceae | Acer negundo | boxelder | | |
| 896 | Sapindaceae | Acer rubrum | red maple | | |
| 1271 | Sapindaceae | Acer rubrum | red maple | McCabe Property | |
| 898 | Sapindaceae | Acer saccharinum | silver maple | | |
| 1272 | Sapindaceae | Acer saccharinum | silver maple | | |
| 1231 | Sarraceniaceae | Sarracenia purpurea | purple pitcherplant | Airport Rd. | |
| 1233 | Saxifragaceae | Micranthes pensylvanica | eastern swamp saxifrage | McCabe Property | |
| 1234 | Saxifragaceae | Tiarella cordifolia | heartleaf foamflower | McCabe Property | |
| 1241 | Smilacaceae | Smilax herbacea | smooth carrionflower | | |
| 1101 | Smilacaceae | Smilax rotundifolia | roundleaf greenbrier | | |
| 1242 | Solanaceae | Solanum dulcamara | climbing nightshade | | |
| 1250 | Thelypteridaceae | Parathelypteris noveboracensis | New York fern | | |
| 1510 | Thelypteridaceae | Parathelypteris noveboracensis | New York fern | | |
| 1247 | Thelypteridaceae | Parathelypteris simulata | bog fern | | |
| 1251 | Thelypteridaceae | Thelypteris palustris | eastern marsh fern | Behind Radio Station | |
| 1511 | Thelypteridaceae | Thelypteris palustris | eastern marsh fern | | |
| 1252 | Thymelaeaceae | Dirca palustris | eastern leatherwood | | |
| 1243 | Typhaceae | Sparganium americanum | American bur-reed | | |
| 1505 | Typhaceae | Sparganium americanum | American bur-reed | Turkey Pond | |
| 1506 | Typhaceae | Sparganium eurycarpum | broadfruit bur-reed | Platte River | |
| 1254 | Typhaceae | Typha angustifolia | narrowleaf cattail | | |
| 1255 | Typhaceae | Typha latifolia | broadleaf cattail | | |
| 1515 | Ulmaceae | Ulmus americana | American elm | | |
| 1257 | Ulmaceae | Ulmus rubra | slippery elm | | |
| 1258 | Urticaceae | Laportea canadensis | Canadian woodnettle | | |
| 1259 | Urticaceae | Pilea pumila | Canadian clearweed | | |
| 1261 | Verbenaceae | Verbena hastata | swamp verbena | | |
| 1262 | Violaceae | Viola lanceolata | bog white violet | Rt 124 | |
| 1263 | Violaceae | Viola sororia | common blue violet | | |
| 1267 | Vitaceae | Vitis riparia | riverbank grape | | |
| 3931 | Vitaceae | Vitis riparia | riverbank grape | Route 12 | |
| 1344 | Woodsiaceae | Athyrium asplenioides | common ladyfern | Bents Pond | |
| 1008 | Woodsiaceae | Diplazium pycnocarpon | glade fern | Paradise Park | |