| COMMON NAMES | INDIVIDUAL NAME . | FAMILY | GENUS . | SPECIES . | COLOR . | MONTH . | DATE | YEAR | LOCATION CITY | COUNTY | STATE | LOCATION SITE. . |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AGRIMONY | AGRIMONY | ROSE | AGRIMONIA | PARVIFLIORA | YELLOW | AUGUST | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| ALFALFA | ALFALFA | PEA | MEDICAGO | SATIVA | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| ALUMROOT | ALLUMROOT | SAXIFRAGE | HEUCHURA | AMERICANA | GREEN | JUNE | 17 | 1997 | NEWPORT | PERRY | PA | LOWER BAILEY RD. |
| AMARANTH | GREEN AMARANTH; PIGWEED | AMARANTH | AMARANTHUS | HYBRIDUS | GREEN | AUGUST | 1996 | NEWPORT | PERRY | PA | EAST NEWPORT | |
| ANEMONE | WOOD ANEMONE | BUTTERCUP | ANEMONE | QUINQUEFOLIA | WHITE | APRIL | 30 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK |
| ANEMONE | RUE-ANEMONE | BUTTERCUP | ANEMONELLA | THALICTROIDES | WHITE | APRIL, MAY | 15 | 1997 | NEWPORT | PERRY | PA | BACK ROAD TO MILLERSTOWN |
| ANGELICA | ALEXANDER; ANGELICA | PARSLEY | ANGELICA | ATROPURPUREA | WHITE | MAY | 6 | 1997 | SAFE HARBOR | LANCASTER | PA | SHENK'S FERRY WILDFLOWER PRESERVE |
| ANGELICA | GOLDEN ALEXANDER: ANGELICA | PARSLEY | ZIZIA | AUREA | YELLOW | MAY | 12 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK |
| ARBUTUS | TRAILING ARBUTUS | HEATH | EPIGAEA | REPENS | WHITE | . | 1996 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK | |
| ARROWHEAD | ARROWHEAD | WATER PLANTAIN | SAGITTARIA | LATIFOLIA | WHITE | AUGUST | 31 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK |
| ASTER | GOLDEN ASTER | COMPOSITE | . | YELLOW | SEPTEMBER | 1996 | . | . | . | |||
| ASTER | SICKLE-LEAVED ASTER | COMPOSITE | CHRYSOPSIS | FALCATA | YELLOW | AUGUST | 1996 | NEWPORT | PERRY | PA | . | |
| ASTER | HEATH ASTER | COMPOSITE | ASTER | ERICOIDES | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | OLD 22 TO MILLERSTOWN | |
| ASTER | LOWRIE'S ASTER | COMPOSITE | ASTER | LOWRIEANUS | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | OLD 22 TO MILLERSTOWN | |
| ASTER | PURPLE-STEMMED ASTER | COMPOSITE | ASTER | PUNICIUS | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | LOWER BAILY ROAD | |
| ASTER | NEW YORK ASTER | COMPOSITE | ASTER | NOVAE-BELGIS | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | LOWER BAILY ROAD | |
| ASTER | WHITE WOOD ASTER | COMPOSITE | ASTER | DIVARICATUS | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | GYPSY HOLLOW ROAD | |
| ASTER | WHORLED WOOD ASTER | COMPOSITE | ASTER | ACUMINATUS | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | 348 N.4TH ST. | |
| ASTER | WILLOW ASTER | COMPOSITE | ASTER | PRAEALTUS | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK | |
| ASTER | ASTER | COMPOSITE | ASTER | MACROPHYLLUS | PURPLE | JULY | 23 | 1997 | NEWPORT | PERRY | PA | BACK ROAD TO MILLERSTOWN |
| AVENS | ROUGH AVENS | ROSE | GEUM | VIRGINIANUM | WHITE | JULY | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| AVENS | WHITE AVENS | ROSE | GEUM | CANADENSE | WHITE | AUGUST | 1996 | TOWER CITY | DAUPHIN | PA | STATE GAME LANDS | |
| AZALEA | PINK AZALEA | HEATH | RHODODENDRON | NUDIFLORUM | PINK | MAY | 21 | 1997 | NEWPORT | PERRY | PA | OREBANK ROAD |
| BACHELOR'S BUTTON | CORNFLOWER | COMPOSITE | CENTAUREA | CYANUS | BLUE | AUGUST | 1996 | MILLERSTOWN | PERRY | PA | SOME 'OL FIELD | |
| BARBERRY | BARBERRY | |||||||||||
| BEARBERRY | BEARBERRY | HEATH | ARCTOSTAPHYLOS | UVA-URSI | WHITE | AUGUST- LVS | 1996 | NEWPORT | PERRY | PA | BACK ROAD TO MILLERSTOWN | |
| BEARDTONGUE | HAIRY BEARDTONGUE | SNAPDRAGON | PENSTEMON | HIRSUTUS | PURPLE | MAY | 14 | 1997 | MILLERSTOWN | PERRY | PA | BACK OF THE MILLERSTOWN GRANGE |
| BEARDTONGUE | GREY BEARDTONGUE | SNAPDRAGON | PENSTEMON | CANESCENS | PURPLE | MAY | 27 | 1997 | SHERMAN'S DALE | PERRY | PA | LUFER'S GROVE |
| BEARDTONGUE | WHITE BEARDTONGUE | SNAPDRAGDON | PENSTAMON | DIGITALIS | WHITE | JUNE | 14 | 1997 | NEWPORT | PERRY | PA | OLD 22 |
| BEDSTRAW | FRAGRANT BEDSTRAW: CLEAVERS | BEDSTRAW | GALIUM | TRIFLORUM | WHITE | AUGUST | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| BEDSTRAW | ROUGH BEDSTRAW | BEDSTRAW | GALIUM | ASPRELLUM | WHITE | AUGUST | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| BEDSTRAW | BLUE FIELD MADDER | BEDSTRAW | SHERARDIA | ARVENSIS | BLUE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | LOWER BAILY ROAD | |
| BEGGAR-TICK | STICKTIGHT; BEGGAR'S TICK | COMPOSITE | BIDENS | FRONDOSA | YELLOW | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | GYPSY HOLLOW ROAD | |
| BERMEGOT | WILD BERMEGOT | MINT | MONARDA | CLINOPARDIA | PURPLE | JULY | 22 | 1997 | NEWPORT | PERRY | PA | FRONT STREET |
| BINDWEED | FIELD BINDWEED | MORNING-GLORY | CONVOLVULUS | ARVENSIS | WHITE | MAY | 1970 | COLUMBIA | BOONE | MO | UNIVERSITY OF MO CAMPUS | |
| BINDWEED | HEDGE BINDWEED | MORNING- GLORY | CONVOLVULUS | SEPIUM | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | PEACH ALLEY | |
| BLAZING STAR | BLAZING STAR | |||||||||||
| BLOODROOT | BLOODROOT | POPPY | SANGUINARIA | CANADENSIS | WHITE | APRIL | 515 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK |
| BLUE-EYED MARY | BLUE-EYED MARY | SNAPDRAGON | COLLINSIA | VIOLACEA | BLUE | APRIL | 1970 | COLUMBIA | BOONE | MO | ROLLINS SPRINGS | |
| BLUEBELL | VIRGINIA BLUEBELLS | FORGET-ME-NOT | MERTENSIA | VIRGINICA | BLUE | APRIL | 6 | 1997 | NEWPORT | PERRY | PA | FRONT ST |
| BLUEBELL | VIRGINIA BLUEBELLS | FORGET-ME-NOT | MERTANSIA | VIRGINICA | BLUE | MAY | 1970 | COLUMBIA | BOONE | MO | WOODS BY STEVEN'S COLLEGE | |
| BLUECURLS | BLUECURLS | MINT | TRICHOSTEMA | DICHOTOMUM | BLUE | SEPTEMBER | 1996 | TOWER CITY | DAUPHIN | PA | STATE GAME LANDS | |
| BLUETS | BLUETS | BEDSTRAW | HOUSTONIA | CAERULEA | BLUE | APRIL | 30 | 1997 | NEWPORT | PERRY | PA | BACK ROAD TO MILLERSTOWN |
| BONESET | BONESET | COMPOSITE | EUPATORIUM | PERFOLIATUM | WHITE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK | |
| BOUNCING BET | BOUNCING BET | PINK | SAPONARIA | OFFICINALIS | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | OLD 22 TO MIDWAY | |
| BOWMAN'S ROOT | BOWMAN'S ROOT | ROSE | GILLENIA | TRIFOLIATA | WHITE | JUNE | 16 | 1997 | NEWPORT | PERRY | PA | UPPER BAILEY RD. |
| BUCKWHEAT | CLIMBING FALSE BUCKWHEAT | BUCKWHEAT | POLYGONUM | SCANDENS | WHITE | OCTOBER | 1996 | NEWPORT | PERRY | PA | GYPSY HOLLOW RD | |
| BUGLOSS | VIPER'S BUGLOSS | FORGET-ME-NOT | ECHIUM | VULGARE | BLUE | SEPTEMBER | 1996 | CARLISLE | CUMBERLAND | PA | RD TO ARMORY | |
| BURDOCK | BURDOCK | COMPOSITE | ARCTIUM | MINUS | PURPLE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | BACK ROAD TO MILLERSTOWN | |
| BUTTER-AND-EGGS | TOADFLAX; BUTTER AND EGGS | SNAPDRAGON | LINARIA | VULGARIS | YELLOW | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| BUTTERCUP | SWAMP BUTTERCUP | BUTTERCUP | RANUNCULUS | SEPTENTRIONALIS | YELLOW | APRIL | 30 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK |
| BUTTERCUP | KIDNEYLEAF BUTTERCUP | BUTTERCUP | RANUNCULUS | ABORTIVUS | YELLOW & GREEN | APRIL | 30 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK |
| BUTTERCUP | HOOKED CROWFOOT | BUTTERCUP | RANUNCULUS | RECURVATUS | YELLOW | MAY | 14 | 1997 | NEWPORT | PERRY | PA | OREBANK ROAD |
| BUTTERCUP | TALL BUTTERCUP | BUTTERCUP | RANUNCULUS | ACRIS | YELLOW | MAY | 21 | 1997 | FT.INDIANTOWN GAP | LEBANON | PA | HAWKWATCH MOUNTAIN 2 |
| CAMPION | BLADDER CAMPION | PINK | SILENE | CUCUBALIS | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | OLD 22 TO SHORTCUT | |
| CANCER-ROOT | CANCER-ROOT | BROOMRAPE | OROBANCHE | UNIFLORA | WHITE | JUNE | 5 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK |
| CARDINAL | CARDINAL | BLUEBELL | LOBELIA | CARDINALIS | RED | AUGUST | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| CATTAIL | COMMON CATTAIL | CATTAIL | TYPHA | LATIFOLIA | BROWN | JULY | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| CATTAIL | NARROW-LEAVED CATTAIL | CATTAIL | TYPHA | ANGUSTIFOLIA | BROWN | JULY | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| CELANDINE | CELANDINE | POPPY | CHELIDONIUM | MAJUS | YELLOW | APRIL | 30 | 1997 | NEWPORT | PERRY | PA | FRONT STREET |
| CELENDINE | WOOD POPPY | POPPY | STYLOPHORUM | DIPHYLLUM | YELLOW | |||||||
| CHAMOMILE | WILD CHAMOMILE | COMPOSITE | MATRICARIA | CHAMOMILLA | WHITE | AUGUST | 1996 | LOYSVILLE | PERRY | PA | RT. 274 TO LOYSVILLE TO CARLISLE | |
| CHAMOMILE | SCENTLESS CHAMOMILE | COMPOSITE | MATRICARIA | MARTIMA | WHITE | AUGUST | 1996 | CARLISLE | CUMBERLAND | PA | RD TO ARMORY | |
| CHARLOCK | CHARLOCK | MUSTARD | BRASSICA | KABER | YELLOW | JULY | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| CHEESES | COMMON MALLOW; CHEESES | MALLOW | MALVA | NEGLECTA | WHITE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | EAST NEWPORT | |
| CHICKORY | CHICKORY | COMPOSITE | CICHORIUM | INTYBUS | BLUE | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| CHICKWEED | COMMON CHICKWEED | PINK | STELLARIA | MEDIA | WHITE | APRIL | 130 | 1997 | NEWPORT | PERRY | PA | EAST NEWPORT |
| CHICKWEED | MOUSE-EARED CHICKWEED | PINK | CERASTIUM | VULGATUM | WHITE | APRIL | 30 | 1997 | WILA | PERRY | PA | CEMETERY |
| CHICKWEED | FIELD CHICKWEED | PINK | CERASTIUM | ARVENSE | WHITE | MAY | 6 | 1997 | YORK | YORK | PA | GIFFORD PINCHOT PARK |
| CHICKWEED | GREAT CHICKWEED;STAR CHICKWEED | PINK | STELLARIA | PUBERA | WHITE | MAY | 27 | 1997 | MT.HOLLY SPRINGS | CUMBERLAND | PA | MARSH RESERVE |
| CINQUIFOIL | COMMON CINQUIFOIL | ROSE | POTENTILLA | SIMPLEX | YELLOW | MAY | 1996 | TOWER CITY | DAUPHIN | PA | STATE GAME LANDS | |
| CINQUIFOIL | DWARF CINQUIFOIL | ROSE | POTENTILLA | CANADENSIS | YELLOW | APRIL | 30 | 1997 | TOWER CITY | DAUPHIN | PA | STATE GAME LANDS |
| CINQUIFOIL | ROUGH -FRUITED CINQUIFOIL | ROSE | POTENTILLA | RECTA | YELLOW | JULY | 1996 | NEWPORT | PERRY | PA | OLD 22 TO SHORTCUT | |
| CINQUIFOIL | ROUGH CINQUIFOIL | ROSE | POTENTILLA | NORVEGICA | YELLOW | JUNE | 5 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK |
| CLOVER | ALSIKE CLOVER | PEA | TRIFOLIUM | HYBRIDUM | WHITE | SEPTEMBER | 1996 | MILLERSTOWN | PERRY | PA | FIELDS | |
| CLOVER | BUFFALO CLOVER | PEA | ||||||||||
| CLOVER | BUSH-CLOVER | PEA | LESPEDEZA | INTERMEDIA | PURPLE | SEPTEMBER | 1996 | TOWER CITY | DAUPHIN | PA | STATE GAME LANDS | |
| CLOVER | SMALLER HOP CLOVER | PEA | TRIFOLIUM | PROCUMBENS | YELLOW | MAY | 1970 | COLUMBIA | BOONE | MO | UNIVERSITY OF MO CAMPUS | |
| CLOVER | RED CLOVER | PEA | TRIFOLIUM | PRATENSE | RED | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| CLOVER | WHITE CLOVER | PEA | TRIFOLIUM | REPENSE | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | 348 N.4TH ST. | |
| CLOVER | WHITE CLOVER | PEA | TRIFOLIUM | REPENSE | WHITE | MAY | 1970 | COLUMBIA | BOONE | MO | UNIVERSITY OF MO | |
| CLOVER | YELLOW SWEET CLOVER | PEA | MEDILOTUS | OFFICINALIS | YELLOW | JULY | 1996 | NEWPORT | PERRY | PA | PEACH ALLEY | |
| CLOVER | RABBIT FOOT'S CLOVER | PEA | TRIFOLIUM | ARVENSE | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | SHORTCUT TO McDONALD'S | |
| CLOVER | BLACK MEDICK | PEA | MEDICAGO | LUPULINA | YELLOW | OCTOBER | 1996 | NEWPORT | PERRY | PA | PEACH ALLEY | |
| CLOVER | SMALLER HOP CLOVER | PEA | TRIFOLIUM | PROCUMBEMS | YELLOW | MAY | 21 | 1997 | FT.INDIANTOWN GAP | LEBANON | PA | HAWKWATCH MOUNTAIN 2 |
| CLOVER | HOP CLOVER | PEA | TRIFOLIUM | AGRARIUM | YELLOW | JUNE | 16 | 1997 | NEWPORT | PERRY | PA | LOWER BAILEY RD. |
| CLOVER | SWEET WHITE CLOVER | PEA | MELILOTUS | ALBA | WHITE | JUNE | 20 | 1997 | NEWPORT | PERRY | PA | UPPER BAILEY RD. |
| COHOSH | BLACK COHOSH; BUGBANE | BUTTERCUP | CIMICIFUGA | RACEMOSA | WHITE | AUGUST | 1996 | BLAIN | PERRY | PA | COLONEL DENNING PARK | |
| COHOSH | BLUE COHOSH | BARBERRY | CAULOPHYLLUM | THALICTROIDES | BLUE | APRIL | 1 | 1998 | SAFE HARBOR | LANCASTER | PA | SHENK'S FERRY WILDFLOWER PRESERVE |
| COLTSFOOT | COLTSFOOT | COMPOSITE | TUSSILAGO | FARFARA | YELLOW | APRIL | 5 | 1997 | NEWPORT | PERRY | PA | BACK ROAD TO MILLERSTOWN |
| COLUMBINE | COLUMBINE | BUTTERCUP | AQUILEGIA | CANADENSIS | PURPLE | MAY | 20 | 1997 | MILLERSTOWN | PERRY | PA | OLD 22 |
| COLUMBINE | COLUMBINE | BUTTERCUP | AQUILEGIA | CANADENSIS | RED | MAY | 14 | 1997 | SAFE HARBOR | LANCASTER | PA | SHENK'S FERRY WILDLIFE PRESERVE |
| COLUMBINE | COLUMBINE | BUTTERCUP | AQUILEGIA | CANADENSIS | RED | MAY | 1970 | COLUMBIA | BOONE | MO | PINNACLES, N. OF COLUMBIA | |
| CORYDALIS | YELLOW CORYDALIS | POPPY | CORYDALIS | FLAVULA | YELLOW | APRIL | 15 | 1997 | NEWPORT | PERRY | PA | LOWER BAILY RD. |
| CORYDALIS | YELLOW CORYDALIS | POPPY | CORYDALIS | FLAVULA | YELLOW | MAY | 1970 | COLUMBIA | BOONE | MO | UNIVERSITY OF MO CAMPUS | |
| CORYDALIS | PALE CORYDALIS;BLEEDING-HEART | POPPY | CORYDALIS | SEMPERVIRENS | PINK | MAY | 21 | 1997 | FT.INDIANTOWN GAP | LEBANON | PA | HAWK WATCH MOUNTAIN 2 |
| CRESS | FIELD PENNYCRESS | MUSTARD | THLASPI | ARVENSE | WHITE | JUNE | 4 | 1997 | NEWPORT | PERRY | PA | BACK RD. TO MILLERSTOWN |
| CRESS | SPRING CRESS | MUSTARD | CARDAMINE | BULBOSA | WHITE | MAY | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK | |
| CRESS | CREEPING YELLOW CRESS | MUSTARD | RORIPPA | SYLVESTRIS | YELLOW | APRIL | 1997 | NEWPORT | PERRY | PA | SHORTCUT TO GIANT | |
| CRESS | SMALL FLOWERED BITTER CRESS | MUSTARD | CARDAMINE | PARVIFLORA | WHITE | APRIL | 15 | 1997 | NEWPORT | PERRY | PA | SHORTCUT TO GIANT |
| CRESS | COWCRESS;FIELD PEPPERGRASS | MUSTARD | LEPIDIUM | CAMPESTRE | WHITE | MAY | 27 | 1997 | CARLISLE | CIMBERLAND | PA | 108TH FIELD |
| CRESS | POOR-MAN'S-PEPPER; PEPPERGRASS | MUSTARD | LEPIDIUM | VIRGINICUM | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | RAILROAD TRACKS BY OLD IGA | |
| CRESS | SHEPHERD'S PURSE | MUSTARD | CAPSELLA | BURSA-PASTORIS | WHITE | MAY | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK | |
| CRESS | SHEPHERD'S PURSE | MUSTARD | CAPSELLA | BURSA-PASTORIS | WHITE | MAY | 1996 | COLUMBIA | BOONE | MO | UNIVERSITY OF MISSOURI | |
| CRESS | WATERCRESS | MUSTARD | NASTURIUM | OFFICINALE | WHITE | MAY | 1970 | COLUMBIA | BOONE | MO | UNIVERSITY OF MISSOURI | |
| CRESS | WINTERCRESS | MUSTARD | BARBAREA | VULGARIS | YELLOW | MAY | 1970 | COLUMBIA | BOONE | MO | UNIVERSITY OF MISSOURI | |
| CRESS | WINTERCRESS | MUSTARD | BARBAREA | VULGARIS | YELLOW | MAY | 20 | 1997 | MILLERSTOWN | PERRY | PA | FIELDS |
| CRESS | PENNSYLVANIA BITTERCRESS | MUSTARD | CARDAMINE | PENNSYLVANICA | WHITE | MAY | 27 | 1997 | NEWPORT | PERRY | PA | RT.34 ACROSS FROM WENTZLE'S |
| CUCUMBER | BUR-CUCUMBER | CUCUMBER | SICYOS | ANGULATUS | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | OLD 22 TO MILLERSTOWN | |
| CUPHEA | CLAMMY CUPHEA | LOOSESTRIFE | CUPHEA | PETIOLATA | BLUE | SEPTEMBER | 1996 | CARLISLE | PERRY | PA | ROAD BY ARMORY | |
| DAISY | COMMON FLEABANE | COMPOSITE | ERIGERON | PHILADELPHICUS | WHITE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | FRONT ST | |
| DAISY | OX-EYE DAISY | COMPOSITE | CHRYSANTHEMUM | LEUCANTHEMUM | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| DAISY | MAYWEED | COMPOSITE | ANTHEMIS | COTULA | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| DAISY | DAISY FLEABANE | COMPOSITE | ERIGERON | ANNUUS | WHITE | JUNE | 16 | 1997 | NEWPORT | PERRY | PA | UPPER BAILY RD. |
| DAME'S ROCKET | DAME'S VIOLET | MUSTARD | HESPERIS | MATRONALIS | PURPLE | MAY | 20 | 1997 | DAUPHIN | DAUPHIN | PA | RT.322 |
| DANDELION | COMMON DANDELION | COMPOSITE | TARAXACUM | OFFICINALE | YELLOW | APRIL | 1997 | NEWPORT | PERRY | PA | WINDING HILL RD | |
| DANDELION | DWARF DANDELION | COMPOSITE | KRIGIA | VIRGINICA | ORANGE | MAY | 20 | 1997 | FT.INDIANTOWN GAP | LEBANON | PA | HAWK WATCH MOUNTAIN 2 |
| DAYFLOWER | ASIATIC DAYFLOWER | SPIDERWORT | COMMELINA | COMMUNIS | BLUE | AUGUST | 1996 | NEWPORT | PERRY | PA | FRONT ST. | |
| DOCK | BITTER DOCK; BROAD DOCK | BUCKWHEAT | RUMEX | OBTUSIFOLIUS | BROWN | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | 348 N.4TH ST. | |
| DOCK | PRAIRIE DOCK | BUCKWHEAT | SILPHIUM | TEREBINTHINACEUM | YELLOW | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | EAST NEWPORT | |
| DOCK | CURLED DOCK | BUCKWHEAT | RUMEX | CRISPUS | GREEN | JUNE | 11 | 1997 | MILROY | MIFFLIN | PA | REED'S GAP |
| DODDER | DODDER | MORNING GLORY | CUSCULA | GRONOVII | ||||||||
| DOGBANE | INTERMEDIATE DOGBANE | DOGBANE | APOCYNUM | MEDIUM | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | SHORTCUT TO McDONALD'S | |
| DOGBANE | SPREADING DOGBANE | DOGBANE | APOCYNUM | ANDROSAMIFOLIUM | WHITE | AUGUST | 1996 | MILLERSTOWN | PERRY | PA | FIELDS | |
| DUTCHMAN'S-PIPE | DUTCHMAN'S PIPE | BIRTHWORT | ARISTOLOCHIA | DURIOR | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | LOWER BAILY RD | |
| DUTCHMAN'S BREECHES | DUTCHMAN'S BREECHES | POPPY | DICENTRA | CUCULLARIA | WHITE | APRIL | 15 | 1996 | NEWPORT | PERRY | PA | OLD 22 TO MILLERSTOWN |
| DUTCHMAN'S BREECHES | DUTCHMAN'S BREECHES | POPPY | DICENTRA | CUCULLARIA | WHITE | APRIL | 15 | 1996 | COLUMBIA | BOONE | MO | UNIVERSITY OF MO CAMPUS |
| EVERLASTING | SWEET EVERLASTING; CATFOOT | COMPOSITE | GNAPHALIUM | OBTUSIFOLIUM | WHITE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | EAST NEWPORT | |
| EVERLASTINGS | FIELD PUSSYTOES; EVERLASTINGS | COMPOSITE | ANTENNARIA | NEGLECTA | WHITE | MAY | 1997 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| FEVERFEW | FEVERFEW | COMPOSITE | CHRYSANTHEMUM | PARTHENIUM | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | EAST NEWPORT | |
| FIGWORT | FIGWORT | COMPOSITE | SCROPHULARIA | LANCEOLATA | GREEN | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | ||
| FIREWEED | FIREWEED; GREAT WILLOW-HERB | EVENING-PRIMROSE | EPILOBIUM | ANGUSTIFOLIUM | PINK | AUGUST | 1 | 1998 | SEATTLE | ? | WA | DISCOVERY PARK |
| FLOWER-OF-AN-HOUR | FLOWER-OF-AN-HOUR | MALLOW | HIBISCUS | TRIONUM | YELLOW | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | 348 N.4TH ST | |
| FLY POISON | FLY POISON | LILY | AMIANTHIUM | MUSCAETOXICUM | WHITE | MAY | 27 | 1997 | PINE GROVE FURNACE | CUMBERLAND | PA | PINE GROVE FURNACE STATE PARK |
| FORGET-ME-NOT | FORGET-ME-NOT | FORGET-ME-NOT | MYOSOTIS | SCORPIODEA | BLUE | AUGUST | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| FUMATORY | EARTH-SMOKE; FUMATORY | POPPY | FUMARIA | OFFICINALIS | PURPLE | MAY | 23 | 1997 | NEWPORT | PERRY | PA | FRONT STREET |
| GALINSOGA | GALINSOGA | COMPOSITE | GALINSOGA | CILIATA | WHITE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | OLD 22 TO MILLERSTOWN | |
| GENTIAN | GENTIAN | |||||||||||
| GERANIUM | WILD GERANIUM | GERANIUM | GERANIUM | MACULATUM | PURPLE | MAY | 1970 | COLUMBIA | BOONE | PA | UNIVERSITY OF MO | |
| GERANIUM | CAROLINA CRANESBILL | GERANIUM | GERANIUM | CAROLINIANUM | PURPLE | MAY | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| GERANIUM | WILD GERANIUM | GERANIUM | GERANIUM | MACULATUM | PURPLE | MAY | 20 | 1997 | MILLERSTOWN | PERRY | PA | OLD 22 |
| GINGER | GINGER | BIRTHWORT | ASARUM | CANADENSE | ||||||||
| GINSING | DWARF GINSING | GINSING | PANAX | TRIFOLIUS | WHITE | MAY | 27 | 1997 | PINE GROVE FURNACE | CUMBERLAND | PA | PINE GROVE FURNACE STATE PARK |
| GOLDENROD | CLUB-LIKE GOLDENROD | YELLOW | ||||||||||
| GOLDENROD | WAND-LIKE GOLDENROD | YELLOW | ||||||||||
| GOLDENROD | PLUME GOLDENROD | YELLOW | ||||||||||
| GOLDENROD | ELM-SHAPED GOLDENROD | YELLOW | ||||||||||
| GOLDENROD | FLAT-TOPPED GOLDENROD | YELLOW | ||||||||||
| GOLDENSEAL | ORANGEROOT; GOLDENSEAL | BUTTERCUP | HYDRASTIS | CANADENSIS | WHITE | MAY | 6 | 1997 | YORK | YORK | PA | GIFFORD PINCHOT PARK |
| GORSE | GORSE | PEA | ULEX | EUROPAEUS | YELLOW | SEPTEMBER | 1996 | |||||
| GRAPE | RIVERBANK GRAPE | GRAPE | VITIS | RIPARIA | GREN | JUNE | 17 | 1997 | NEWPORT | PERRY | PA | LOWER BAILEY RD. |
| GRAPE HYACINTH | GRAPE HYACINTH | LILY | MUSCARI | BOTRYOIDES | PURPLE | MAY | 6 | 1997 | YORK | YORK | PA | GIFFORD PINCHOT PARK |
| GRASS | BLUE-EYED GRASS | IRIS | SISYRINCHIUM | MOMTANUM | BLUE | JUNE | 4 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK |
| GRASS | BLUE-EYED GRASS | IRIS | SISYRINCHIUM | MUCRONATUM | BLUE | MAY | 6 | 1997 | YORK | YORK | PA | GIFFORD PINCHOT PARK |
| GRASSES | BLUE-EYED GRASSES | IRIS | SISYRINCHIUM | MUCRONATUM | BLUE | MAY | 1997 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| GREENBRIER | GREENBRIAR; CATBRIER | LILY | SMILAX | ROTUNDIFOLIA | GREEN | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | EAST NEWPORT | |
| GROMWELL | CORN GROMWELL | FORGET-ME-NOT | LITHOSPERMUM | ARVENSE | WHITE | MAY | 1997 | WILA | PERRY | PA | WILA | |
| GROUND-CHERRY | SMOOTH GROUND-CHERRY | TOMATO | PHYSALIS | SUBGLABRATA | YELLOW | AUGUST | 1996 | NEWPORT | PERRY | PA | ? | |
| GROUNSEL | cOMMON GROUNDSEL | COMPOSITE | SENECIO | VISCOSUS | YELLOW | MARCH | 29 | 1998 | HARRISBURG | DAUPHIN | PA | WILDWOOD LAKE |
| HAREBELL | SOUTHERN HAREBELL | BLUEBELL | CAMPANULA | DIVARICATA | BLUE | AUGUST | 1996 | NEWPORT | PERRY | PA | CHURCH RD. | |
| HAWKSBEARD | SMOOTH HAWKSBEARD | COMPOSITE | CREPIS | CAPILLARIS | YELLOW | AUGUST | 1996 | NEWPORT | PERRY | PA | PEACH ALLEY | |
| HAWKWEED | KING DEVIL | COMPOSITE | HIERACIUM | PRATENSE | YELLOW | AUGUST | 1996 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK | |
| HAWKWEED | ORANGE HAWKWEED | COMPOSITE | HIERACIUM | AURANTHIACUM | ORANGE | AUGUST | 1996 | NEWPORT | PERRY | PA | SHORTCUT TO GIANT | |
| HAWKWEED | RATTLESNAKE-WEED | COMPOSITE | HIERACIUM | VENOSUM | YELLOW | AUGUST | 1996 | TOWER CITY | DAUPHIN | PA | STATE GAME LANDS | |
| HAWKWEED | PANICLED HAWKWEED | COMPOSITE | HIERACIUM | PANICULATUM | YELLOW | JULY | 30 | 1997 | NEWPORT | PERRY | PA | OLD 22 TO MILLERSTOWN |
| HEATHER | HEATHER | HEATH | CALLUNA | VULGARIS | PURPLE | SEPTEMBER | 1996 | |||||
| HEMLOCK | HEMLOCK-PARSLEY | PARSLEY | CONIOSELINUM | CHINENSE | WHITE | JULY | 1996 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK | |
| HEMLOCK | POISON HEMLOCK | UMBELLIFERAE | CONIUM | MACULATUM | WHITE | JUNE | 5 | 1997 | ||||
| HEPATICA | ROUND-LOBED HEPATICA | BUTTERCUP | HEPATICA | AUCUTILOBA | WHITE | APRIL | 515 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK |
| HOG-PEANUT | HOG-PEANUT | PEA | AMPHICARPA | BRACTEATA | PURPLE | AUGUST | 27 | 1997 | WILA | PERRY | PA | WILA |
| HONEWORT | HONEWORT | PARSLEY | CRYPTOTAENIA | CANADENSIS | WHITE | AUSUST | 1996 | TOWER CITY | DAUPHIN | PA | STATE GAME LANDS | |
| HONEYSUCKLE | TRUMPET HONEY SUCKLE | |||||||||||
| HONEYSUCKLE | JAPANESE HONEYSUCKLE | HONEYSUCKLE | LONICERA | JAPONICA | YELLOW | JULY | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| HONEYSUCKLE | TRUMPET-CREEPER | HONEYSUCKLE | CAMPSIS | RADICANS | RED | AUGUST | 1996 | NEWPORT | PERRY | PA | SHORTCUT TO McDONALD'S | |
| HORSE-BALM | HORSEBALM; RICHWEED | MINT | COLLINSONIA | CANADENSIS | YELLOW | JULY | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| HORSEWEED | HORSEWEED | COMPOSITE | ERIGERON | CANADENSIS | WHITE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | PEACH ALLEY | |
| HOUSTONIA | NARROW-LEAVED HOUSTONIA; BLUETS | BEDSTRAW | HOUSTONIA | TENUIFOLIA | BLUE | JUNE | 4 | 1997 | NEWPORT | PERRY | PA | BACK RD TO MILLERSTOWN |
| HYACINTH | GRAPE HYACINTH | LILY | MUSCARI | BOTRYIODES | PURPLE | MAY | 15 | 1997 | YORK | YORK | PA | GIFFORD PINCHOT PARK |
| HYDRANGEA | WILD HYDRANGEA | SAXIFRAGE | HYDRANGEA | ARBORESCENS | WHITE | JUNE | 16 | 1997 | NEWPORT | PERRY | PA | LOWER BAILEY RD. |
| INDIAN-PIPE | INDIAN-PIPE | WINTERGREEN | MONOTROPA | UNIFLORA | WHITE | AUGUST | 23 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK |
| INDIAN CUCUMBER ROOT | INDIAN CUCUMBER ROOT | LILY | MEDEOLA | VIRGINIANA | WHITE | AUGUST | 1996 | BLAIN | PERRY | PA | COLONEL DENNING PARK | |
| INDIAN HEMP | INDIAN HEMP | DOGBANE | APOCYNUM | CANNABINUM | WHITE | JUNE | 17 | 1997 | NEWPORT | PERRY | PA | LOWER BAILEY RD. |
| INDIGO | BLUE FALSE INDIGO | PEA | BAPISIA | AUSTRALIS | PURPLE | JULY | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| IRIS | YELLOW IRIS | IRIS | IRIS | PSEUDACORUS | YELLOW | JUNE | 5 | 1997 | HARRISBURG | DAUPHIN | PA | WILDWOOD |
| IRONWEED | NEW YORK IRONWEED | COMPOSITE | VERNONIA | NOVEBORACENSIS | PURPLE | JULY | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| JACK-IN-THE-PULPUT | JACK-IN-THE-PULPUT | ARUM | ARISAEMA | ATRORUBENS | GREEN | APRIL | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK | |
| JACK-IN-THE-PULPUT | JACK-IN-THE-PULPUT | ARUM | ARISAEMA | TRIPHYLLUM | GREEN | APRIL | 1970 | EASLEY | BOONE | MO | WOODED AREA | |
| JEWELWEED | TOUCH-ME-NOT | TOUCH-ME-NOT | IMPATIENS | PALLIDA | YELLOW | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| JEWELWEED | TOUCH-ME-NOT; JEWELWEED | TOUCH-ME-NOT | IMPATIENS | CAPENSIS | ORANGE | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| JIMSONWEED | JIMSONWEED | |||||||||||
| JOE-PYE-WEED | SPOTTED JOE-PYE-WEED | COMPOSITE | EUPATORIUM | MACULATUM | PURPLE | AUGUST | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| JOE-PYE-WEED | HOLLOW JOE-PYE-WEED | COMPOSITE | EUPATORIUM | FISTULOSUM | PURPLE | AUGUST | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| JOE-PYE-WEED | SWEET JOE-PYE-WEED | COMPOSITE | EUPATORIUM | PURPUREUM | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | SHORTCUT TO McDONALD'S | |
| KNAPWEED | AMERICAN KNAPWEED | COMPOSITE | CENTAUREA | AMERICANA | PURPLE | AUGUST | 1996 | YORK | YORK | PA | PINCHOT PARK | |
| KNAPWEED | SPOTTED KNAPWEED | COMPOSITE | CENTAUREA | MACULOSA | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| KNAWEL | KNAWEL | PINK | SCLERANTHUS | ANNUS | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | FIELDS | |
| KNOTWEED | JAPANESE KNOTWEED | BUCKWHEAT | POLYGONELLA | CUSPIDAYTM | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | OLD 22 TO MILLERSTOWN | |
| KNOTWEED | VIRGINIA KNOTWEED | BUCKWHEAT | TOVARA | VIRGINIANA | WHITE | SEPTEMBER | 1996 | BLAIN | PERRY | PA | COLONEL DENNING PARK | |
| LAMB'S QUARTERS | LAMB'S QUARTER'S; PIGWEED | GOOSEFOOT | CHENOPODIUM | ALBUM | GREEN | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | PEACH ALLEY | |
| LARKSPUR | SPRING OR DWARF LARKSPUR | BUTTERCUP | DELPHINIUM | TRICORNE | PURPLE | JULY | 1996 | NEWPORT | PERRY | PA | 348 N.4TH | |
| LAUREL | MOUNTAIN LAUREL | HEATH | KALMIA | LATIFOLIA | WHITE | JULY | 1996 | RED ROCK | LUZERNE | PA | RICKET'S GLENN PARK | |
| LEAFCUP | SMALL-FLOWERED LEAFCUP | COMPOSITE | POLYMINIA | CANADENSIS | YELLOW | MAY | 1997 | SAFE HARBOR | LANCASTER | PA | SHENK'S FERRY WILDFLOWER PRESERVE | |
| LETTUCE | BLUE LETTUCE | COMPOSITE | LACTUCA | FLORIDANA | BLUE | AUGUST | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| LETTUCE | WILD LETTUCE | COMPOSITE | LACTUCA | CANADENSIS | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | PEACH ALLEY | |
| LETTUCE | TALL WHITE LETTUCE | COMPOSITE | PREANTHES | ALTISSIMA | WHITE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | GYPSY HOLLOW RD | |
| LETTUCE | LION'S FOOT LETTUCE | WHITE | ||||||||||
| LETTUCE | PRICKLY LETTUCE | COMPOSITE | LACUCA | SCARIOLA | WHITE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| LETTUCE; GALL-OF-THE-EARTH | RATTLESNAKE ROOT | COMPOSITE | PRENANTHES | TRIFOLIATA | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | ||
| LICORICE | WHITE WILD LICORICE | BEDSTRAW | GALIUM | CIRCAEZANS | WHITE | JUNE | 9 | 1997 | BLAIN | PERRY | PA | COLONEL DENNING STATE PARK |
| LILY | TROUT LILY | LILY | ERTHRONIUM | AMERICANUM | YELLOW | APRIL | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK | |
| LILY | CANADA LILY | LILY | LILIUM | CANADENSE | RED | JUNE | 29 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK |
| LILY | DAY-LILY | LILY | HEMEROCALLIS | FULVA | ORANGE | JUNE | 30 | 1997 | NEWPORT | PERRY | PA | OLD 22 TO MIDWAY |
| LILY | TIGER LILY | LILY | LILIUM | TIGRINUM | ORANGE | JULY | 30 | 1997 | NEWPORT | PERRY | PA | 348 N.4TH |
| LILY-OF-THE-VALLEY | WILD LILY-OF-THE-VALLEY | LILY | MAIANTHEMUM | CANADENSE | WHITE | MAY | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK | |
| LOBELIA | CARDINAL | BLUEBELL | LOBELIA | SIPHILITICA | BLUE | AUGUST | 1996 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK | |
| LOBELIA | INDIAN-TOBACCO | BLUEBELL | LOBELIA | INFLATA | BLUE | 1996 | NEWPORT | PERRY | PA | BACK ROAD TO MILLERSTOWN | ||
| LOBELIA | NUTTALL'S LOBELIA | BLUEBELL | LOBELIA | KALMII | PURPLE | JUNE | 11 | 1997 | THOMPSONTOWN | JUNIATA | PA | EXIT EAST OFF OF 322 |
| LOBELIA | LONGLEAF LOBELIA | BLUEBELL | LOBELIA | ELONGATA | BLUE | JUNE | 11 | 1997 | THOMPSONTOWN | JUNIATA | PA | EXIT EAST OFF OF 322 |
| LOBELIA | DOWNY LOBELIA | LOBELIA | LOBELIA | PUBERULA | BLUE | OCTOBER | 1 | 1997 | HYDRO | MONTGOMERY | NC | LAKE TILLERY |
| LOOSESTRIFE | PURPLE LOOSESTRIFE | LOOSESTRIFE | LYTHRUM | SALICARIA | PURPLE | AUGUST | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| LOOSESTRIFE | WHORLED LOOSESTRIFE | PRIMROSE | LYSIMACHIA | QUADRIFOLIA | YELLOW | JUNE | 16 | 1997 | NEWPORT | PERRY | PA | UPPER BAILEY RD. |
| LOOSESTRIFE | FRINGED LOOSESTRIFE | PRIMROSE | LYSIMACHIA | CILIATA | YELLOW | JULY | 30 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK |
| LOTUS | AMERICAN LOTUS | WATER-LILY | NELUMBO | LUTEA | YELLOW | JULY | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| LYCHNIS | EVENING LYNCHIS | PINK | LYCHNIS | ALBA | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | OLD 22 TO SHORTCUT | |
| MALLOW | CRIMSON-EYED ROSE-MALLOW | MALLOW | HIBISCUS | PALUSTRIS | WHITE | SEPTEMBER | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| MALLOW | SWAMP ROSE-MALLOW | MALLOW | HIBISCUS | PALUSTRIS | PINK | SEPTEMBER | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| MALLOW | MUSK MALLOW | MALLOW | MALVA | MOSCHATA | PINK | JUNE | 14 | 1997 | NEWPORT | PERRY | PA | 322 |
| MARSH-MARIGOLD | MARSH-MARIGOLD | BUTTERCUP | CALTHA | PALUSTRIS | YELLOW | APRIL | SAFE HARBOR | LANCASTER | PA | SHENK'S FERRY WILDFLOWER PRESERVE | ||
| MAY APPLE | MAYAPPLE; MANDRAKE | BARBERRY | PODOPHYLLUM | PELTATUM | WHITE | MAY | 1997 | SAFE HARBOR | LANCASTER | PA | SHENK'S FERRY WILDFLOWER PRESERVE | |
| MERCURY | THREE-SIDED MERCURY | SPURGE | ACALYPHA | VIRGINICA | GREEN | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | BACK ROAD TO MILLERSTOWN | |
| MILKWEED | BLUNT-LEAVED MILKWEED | MILKWEED | ASCLEPIAS | AMPLEXICAULIS | PURPLE | JULY | 1996 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK | |
| MILKWEED | BUTTERFLY-WEED | MILKWEED | ASCLEPIAS | TUBEROSA | ORANGE | AUGUST | 1996 | MILLERSTOWN | PERRY | PA | OLD 22 TO MILLERSTOWN | |
| MILKWEED | COMMON MILKWEED | MILKWEED | ASCLEPIAS | SYIACA | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK | |
| MILKWEED | FOUR-LEAVED MILKWEED | MILKWEED | ASCLEPIAS | QUADRIFOLIA | PURPLE | JULY | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| MILKWEED | SWAMP MILKWEED | MILKWEED | ASCLEPIAS | INCARNATA | PURPLE | JULY | 1996 | YORK | YORK | PA | GIFFORD PINCHOT PARK | |
| MINT | BASIL | MINT | SATUREJA | VULGARIS | PURPLE | AUSUST | 1996 | NEWPORT | PERRY | PA | BACK ROAD TO MILLERSTOWN | |
| MINT | VIRGINIA BUGLEWEED | MINT | LYCOPUS | VIRGINICUS | PURPLE | AUGUST | 1996 | TOWER CITY | DAUPHIN | PA | STATE GAME LANDS | |
| MINT | CATNIP | MINT | NEPETA | CATARIA | PURPLE | AUGUST | 1996 | MILLERSTOWN | PERRY | PA | FIELDS; RT.34 TO M | |
| MINT | GILL-OVER-THE-GROUND | MINT | GLECHOMA | HEDERACEA | PURPLE | JUNE | 1996 | NEWPORT | PERRY | PA | 348 N.4TH ST. | |
| MINT | HEAL-ALL | MINT | PRUNELLA | VULGARIS | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | GYPSY HOLLOW RD. | |
| MINT | DEAD-NETTLE | MINT | LAMIUM | PURPUREUM | PURPLE | AUGUST | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK | |
| MINT | HEMP-NETTLE | MINT | GALEOPSIS | TETRAHIT | PURPLE | APRIL | 10 | 1996 | YORK | YORK | PA | GIFFORD PINCHOT STATE PARK |
| MINT | BUGLEWEED; WATER-HOREHOUND | MINT | LYCOPUS | AMERICANUS | PURPLE | AUGUST | 1996 | YORK | YORK | PA | GIFFORD PINCHOT STATE PARK | |
| MINT | EUROPEAN HORSEMINT | MINT | MENTHA | LONGIFOLIA | PURPLE | AUGUST | 1996 | MILLERSTOWN | PERRY | PA | FIELDS | |
| MINT | MOTHERWORT | MINT | LEONURUS | CARDIACA | PURPLE | AUGUST | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| MINT | PEPPERMINT | MINT | MENTHA | PIPERITA | PURPLE | AUGUST | 1996 | YORK | YORK | PA | GIFFORD PINCHOT STATE PARK | |
| MINT | SPEARMINT | MINT | MENTHA | SPICATA | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK | |
| MINT | GERMANDER; WOOD SAGE | MINT | TEUCRIUM | CANADENSE | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | OLD 22 TO MILLERSTOWN | |
| MINT | SKULLCAP | MINT | SCUTALLARIA | PURPLE | MAY | 27 | 1997 | MT.HOLLY SPRING | CUMBERLAND | PA | MARSH RESERVE | |
| MITERWORT | MITERWORT | SAXIFRAGE | MITELLA | DIPHYLLA | WHITE | APRIL | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO PARK | |
| MONKEY-FLOWER | MONKEY-FLOWER | SNAPDRAGON | MIMULUS | ALATUS | PURPLE | SEPTEMBER | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| MOONSEED | CANADA MOODSEED | MOONSEED | MENISPERMUM | CANADENSE | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | LOWER BAILY RD | |
| MUGWART | MUGWART | COMPOSITE | ARTEMISIA | VULGARIS | GREEN | AUGUST | 1996 | CARLISLE | CUMBERLAND | PA | MARSH PRESERVE | |
| MULLEIN | COMMON MULLEIN | SNAPDRAGON | VERBASCUM | THAPSUS | YELLOW | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| MULLEIN | MOTH MULLEIN | SNAPDRAGON | VERBASCUM | BLATTARIA | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | SHORTCUT TO McDONALD'S | |
| MULLEIN | MOTH MULLEIN | SNAPDRAGON | VERBASCUM | BLATTARIA | PINK | AUGUST | 1996 | NEWPORT | PERRY | PA | RT.34 TO McDONALD'S | |
| MUSTARD | GARLIC MUSTARD | MUSTARD | ALLIARIA | OFFICINALIS | WHITE | APRIL | 15 | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK |
| MUSTARD | TUMBLE MUSTARD | MUSTARD | SISYMBRIUM | ALTISSIMUM | YELLOW | MAY | 20 | 1997 | NEWPORT | PERRT | PA | RT.34 TO McDONALD'S |
| MUSTARD | WHITE MUSTARD | MUSTARD | BRASSICA | HIRTA | YELLOW | JUNE | 14 | 1997 | NEWPORT | PERRY | PA | 322 |
| MUSTARD | TOWER MUSTARD | MUSTARD | ARABIS | GLADRA | WHITE | JUNE | 1997 | |||||
| NETTLE | HORSE-NETTLE | TOMATO | SOLANUM | CAROLINENSE | WHITE | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK | |
| NETTLE | FALSE NETTLE; BOG-HEMP | NETTLE | BOEHMERIA | CYLINDRICA | GREEN | SEPTEMBER | 1996 | BLAIN | PERRY | PA | COLONEL DENNING PARK | |
| NETTLE | STINGING NETTLE | NETTLE | URTICA | DIOICA | GREEN | SEPTEMBER | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| NIGHTSHADE | BITTERSWEET NIGHTSHADE | TOMATO | SOLANUM | DULCAMARA | PURPLE | SEPTEMBER | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| NIGHTSHADE | COMMON NIGHTSHADE | TOMATO | SOLANUM | NIGRUM | PURPLE | SEPTEMBER | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| NIGHTSHADE | ENCHANTER'S NIGHTSHADE | EVENING-PRIMROSE | CIRCAEA | QUADRISULCATA | PURPLE | AUGUST | 1996 | |||||
| NIGHTSHADE | SMALLER ENCHANTER'S NIGHTSHADE | EVENING-PRIMROSE | CIRCAEA | QUADRISULCATA | PURPLE | AUGUST | 1996 | |||||
| NINEBARK | NINEBARK | ROSE | PHYSOCARPUS | OPULIFOLIUS | WHITE | JUNE | 11 | 1997 | SEVEN STARS | PERRY | PA | FIELDS |
| NIPPLEWORT | NIPPLEWORT | COMPOSITE | LAPSANA | COMMUNIS | YELLOW | JUNE | 20 | 1997 | NEWPORT | PERRY | PA | UPPER BAILEY RD. |
| ONION | WILD ONION | LILY | ALLIUM | STELLATUM | PURPLE | AUGUST | 1 | 1997 | NEWPORT | PERRY | PA | OLD 22 |
| ORACHE | ORACHE | GOOSEFOOT | ATRIPLEX | PATULA | GREEN | SEPTEMBER | 1996 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| ORCHID | SHOWY ORCHIS | ORCHID | ORCHIS | SPECTABILIS | PURPLE | MAY | 1997 | NEWPORT | PERRY | PA | LITTLE BUFFALO STATE PARK | |
| OSYTER-PLANT | OSYTER-PLANT | COMPOSITE | TRAGOPOGON | PORRIFOLIUS | YELLOW | JULY | 1996 | NEWPORT | PERRY | PA | 348 N.4TH ST | |
| PARSNIP | WILD PARSNIP | PARSLEY | PASTINACA | SATIVA | WHITE | JUNE | 9 | 1997 | EKKIOTSBURG | PERRY | PA | RT.274 |
| PARSNIP | MEADOW PARSNIP | PARSLEY | THASPIUM | TRIFOLIATUM | YELLOW | JUNE | 9 | 1997 | ELLIOTSBURG | PERRY | PA | RT.274 |
| PARSNIP | COW-PARSNIP | PARSLEY | HERACLEUM | MAXIMUM | WHITE | JUNE | 16 | 1997 | NEWPORT | PERRY | PA | LOWER BAILEY RD. |
| PARTRIDGEBERRY | PARTRIDGEBERRY | BEDSTRAW | MITCHELLA | REPENS | WHITE | JULY | 1996 | NEWPORT | PERRY | PA | BACK ROAD TO MILLERSTOWN | |
| PEA | PARTRIDGE-PEA | PEA | CASSIA | FASCICULATA | YELLOW | AUGUST | 1996 | NEWPORT | PERRY | PA | SHORTCUT TO McDONALD'S | |
| PEA | EVERLASTING PEA | PEA | LATHYRUS | LATIFOLIUS | PURPLE | AUGUST | 1996 | NEWPORT | PERRY | PA | RAILROAD TRACKS BY IGA ON OTHER SIDE | |
| PENNY-WORT | WATER PENNY-WORT | PARSLEY | HYDROCOTYLE | AMERICANA | WHITE | AUGUST | 1996 | NEWPORT | PERRY | PA | 348 N.4TH | |
| PERIWINKLE | PERIWINKLE | DOGBANE | VINCA | MINOR | PURPLE | MAY | 1997 | TOWER CITY | DAUPHIN | PA | STATE GAME LANDS | |
| PHLOX | FALL PHLOX | PHLOX | PHLOX | PANICULATA | PINK | SEPTEMBER | 1996 | NEWPORT | PERRY | PA | SHORTCUT TO McDONALD'S | |
| PHLOX | SWEET WILLIAM | PHLOX | PHLOX | DIVARICATA | PINK | MAY | 1970 | COLUMBIA | BOONE | MO | UNIVERSITY OF MO | |
| PHLOX | WILD PINK; PHLOX | PHLOX | PHLOX | SILENE | CAROLINIANA | MAY | 1997 | HARRISBURG | DAUPHIN | PA | WILDWOOD | |
| PHLOX | SMOOTH PHLOX | PHLOX | PHLOX | GLABERRIMA | PURPLE | MAY | 1997 |
|
