<< < Previous Andreaeaceae FH: 00536542 Andreaea rupestris Hedwig USA: Pennsylvania [data not captured] H. Wilkens B-1707 1961-5-21
Apocynaceae GH: 02179528 Apocynum androsaemifolium Linnaeus USA: Pennsylvania Reading and vicinity. Old stone quarry, McKn... H. Wilkens 4776 1936-6-26
GH: 02178258 Apocynum floribundum Greene USA: Pennsylvania Southern slope of Mt. Neversink, Reading. Ol... H. Wilkens 2927 1933-8-4
Araceae GH: 00162771 Orontium aquaticum Linnaeus USA: Pennsylvania 3/4 mile s.s.w. of Princeton H. Wilkens 6156 1940-5-7
GH: 01627712 Orontium aquaticum Linnaeus USA: Pennsylvania 3/4 mile s.s.w. of Pricetown H. Wilkens 6156 1940-5-7
Aristolochiaceae GH: 01682195 Asarum canadense Linnaeus USA: Pennsylvania [data not captured] H. Wilkens 1940-5-19
GH: 01682187 Asarum canadense Linnaeus USA: Pennsylvania [data not captured] H. Wilkens 4570 1936-5-20
Asclepiadaceae GH: 00961243 Asclepias quadrifolia Jacquin USA: Pennsylvania 3/4 mile northwest of Neversink Station H. Wilkens 455 1928-6-10
Asteraceae GH: 01923278 Brickellia eupatorioides (Linnaeus) Shinners USA: Pennsylvania along Schuylkill River 1 1/4 miles southwest... H. Wilkens 1931-10-20
GH: 01923276 Brickellia eupatorioides (Linnaeus) Shinners USA: Pennsylvania along Sacony Creek, 1 mile northeast of Virg... H. Wilkens 6423 1940-8-18
GH: 02172565 Centaurea nigrescens Willdenow USA: Pennsylvania [data not captured] H. Wilkens 3071 1933-10-11
GH: 02142151 Chondrilla juncea Linnaeus USA: Pennsylvania [data not captured] H. Wilkens 4990 1936-9-3
GH: 02352837 Erigeron procumbens (Miller) G. L. Nesom USA: Mississippi [data not captured] H. Wilkens 11557 1965-5-1
GH: 02190296 Eupatorium rotundifolium Linnaeus USA: New Jersey Bennett H. Wilkens 1929-9-2
GH: 02191455 Eutrochium purpureum (Linnaeus) E. E. Lamont USA: Pennsylvania Reading: east slope of Mt. Penn. H. Wilkens 274 1929-8-4
GH: 01831983 Hieracium gronovii Linnaeus USA: New Jersey [data not captured] H. Wilkens 4887-b 1936-8-1
GH: 01832927 Hieracium scabrum Michaux USA: Pennsylvania [data not captured] H. Wilkens 6873 1941-9-7
Betulaceae GH: 02103563 Ostrya virginiana (Miller) K. Koch USA: Pennsylvania [data not captured] H. Wilkens 6365 1940-7-8
GH: 02103562 Ostrya virginiana (Miller) K. Koch USA: Pennsylvania [data not captured] H. Wilkens 5532 1938-6-26
Boraginaceae GH: 02059389 Mertensia virginica (Linnaeus) Persoon ex Link USA: Pennsylvania along Monocacy Creek 1/2 mile northwest of M... H. Wilkens 1940-5-9
Brassicaceae GH: 00992225 Alliaria petiolata (M. Bieberstein) Cavara & Grande USA: Pennsylvania [data not captured] H. Wilkens 4519 1936-5-9
GH: 00992656 Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz USA: Pennsylvania along Baltimore Pike south of Nottingham H. Wilkens 1931-6-10
GH: 00974855 Barbarea verna (Miller) Ascherson USA: Pennsylvania near Cacoosing Creek west of Sinking Spring H. Wilkens 5103 1937-4-25
GH: 00946035 Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz USA: Pennsylvania West Reading: along Schuylkill River at foot... H. Wilkens 6194 1940-5-25
GH: 00946699 Boechera patens (Sullivant) Al-Shehbaz USA: Pennsylvania along Schuylkill River 1 mile south of Readi... H. Wilkens 2743 1933-5-10
GH: 01097560 Cakile edentula (Bigelow) Hooker USA: New Jersey Absecon Beach. Beach back of Margate City H. Wilkens 1933-8-19
GH: 00983006 Cardamine concatenata (Michaux) O. Schwarz USA: Pennsylvania "Leinbach's Hill," along the Schuylkill Rive... H. Wilkens 17 1929-4-14
GH: 00983009 Cardamine concatenata (Michaux) O. Schwarz USA: Pennsylvania along Schuylkill River 3/4 mile south of Rea... H. Wilkens 3828 1935-4-15
GH: 00999587 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Pennsylvania Reading: northwest of Albright College H. Wilkens 6183 1940-5-23
GH: 01087167 Cardamine rotundifolia Michaux USA: Pennsylvania south of Trap Rock H. Wilkens 6244 1940-6-12
GH: 01549817 Lepidium virginicum Linnaeus USA: Pennsylvania Reading and vicinity. along South 9th St. H. Wilkens 4667 1936-6-5
Caprifoliaceae GH: 02038862 Lonicera morrowii A. Gray USA: Pennsylvania Reading: northwest of Albright College H. Wilkens 6188-a 1940-5-23
Caryophyllaceae GH: 01742960 Cerastium arvense Linnaeus USA: Pennsylvania along Schuylkill River, 3/4 mile south of Re... H. Wilkens 5765 1939-5-4
GH: 01751861 Silene caroliniana pensylvanica (Michaux) Fernald USA: Pennsylvania southwest corner of Mt. Neversink, south of ... H. Wilkens 3836 1935-5-1
GH: 01751967 Silene dichotoma Ehrhart USA: Pennsylvania along Princeton Road, 1 1/2 mi n.e. of Bernh... H. Wilkens 170 1929-6-29
GH: 01623945 Stellaria pubera Michaux USA: Pennsylvania along Beaver Creek. 2 1/2 miles northeast of... H. Wilkens 3890 1935-5-19
Celastraceae GH: 01854869 Euonymus atropurpureus Jacquin USA: Pennsylvania along Schuylkill River at Pennsylvania R.R. ... H. Wilkens 4722 1936-6-15
Chenopodiaceae GH: 01782214 Chenopodium album missouriense (Aellen) Bassett & Crompton USA: Pennsylvania [data not captured] H. Wilkens 6519a 1940-10-12
GH: 01782827 Chenopodium standleyanum Aellen USA: Pennsylvania [data not captured] H. Wilkens 6458 1940-9-11
Cladoniaceae FH: 00410624 Cladonia dimorphoclada Robbins USA: Pennsylvania [data not captured] H. Wilkens 1946-7-14
Commelinaceae GH: 02098173 Tradescantia sp. USA: Pennsylvania [data not captured] H. Wilkens 3921 1935-6-1
Crassulaceae GH: 01990145 Sedum sarmentosum Bunge USA: Pennsylvania 1 mile southeast of Fleetwood H. Wilkens 6647 1941-6-8
Cupressaceae GH: 02104048 Juniperus communis Linnaeus USA: Pennsylvania [data not captured] H. Wilkens 6101 1939-11-25
Cyperaceae GH: 02367238 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: Pennsylvania H. Wilkens 6700 1941-6-30
GH: 02367228 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: Pennsylvania [data not captured] H. Wilkens 5622 1938-8-7
GH: 02371862 Carex annectens (E. P. Bicknell) E. P. Bicknell USA: Pennsylvania [data not captured] H. Wilkens 5864 1939-6-17
GH: 02371860 Carex annectens (E. P. Bicknell) E. P. Bicknell USA: Pennsylvania [data not captured] H. Wilkens 6678 1941-6-22
GH: 02391200 Carex atlantica L. H. Bailey USA: Pennsylvania [data not captured] H. Wilkens 6623 1941-6-1
GH: 02393857 Carex canescens disjuncta (Fernald) Toivonen USA: Pennsylvania [data not captured] H. Wilkens 6645 1941-6-8
GH: 02370599 Carex cephalophora Muhlenberg USA: Pennsylvania [data not captured] H. Wilkens 5153 1937-6-4
GH: 02370598 Carex cephalophora Muhlenberg USA: Pennsylvania [data not captured] H. Wilkens 6692 1941-6-28
GH: 02394170 Carex laevivaginata (Kükenthal) Mackenzie USA: Pennsylvania [data not captured] H. Wilkens 4633 1936-5-30
GH: 01771908 Carex lupulina Muhlenberg ex Willdenow USA: Pennsylvania [data not captured] H. Wilkens 4017 1935-7-6
GH: 01772866 Carex lurida Wahlenberg USA: Pennsylvania [data not captured] H. Wilkens 5887 1939-6-24
GH: 02371112 Carex muehlenbergii Schkuhr ex Willdenow USA: Pennsylvania [data not captured] H. Wilkens 6682 1941-6-22
GH: 02371230 Carex muehlenbergii enervis Boott USA: Pennsylvania [data not captured] H. Wilkens 5949 1939-7-15
GH: 02370212 Carex radiata (Wahlenberg) Small USA: Pennsylvania [data not captured] H. Wilkens 5817 1939-6-3
GH: 01771387 Carex sp. USA: Pennsylvania [data not captured] H. Wilkens 6698 1941-6-29
GH: 02578344 Carex trichocarpa Muhlenberg ex Willdenow USA: Pennsylvania [data not captured] H. Wilkens 5837 1939-6-6
GH: 02578345 Carex trichocarpa Muhlenberg ex Willdenow USA: Pennsylvania [data not captured] H. Wilkens 5832 1939-6-4
GH: 01930195 Froelichia gracilis (Hooker) Moquin-Tandon USA: Pennsylvania north end of bridge to railroad station, Por... H. Wilkens 7408 1944-8-13
Fabaceae GH: 02067137 Apios americana Medikus USA: Pennsylvania East bank of the Schuylkill River about 1 mi... H. Wilkens 1928-10-21
GH: 01960425 Desmodium rotundifolium (Michaux) de Candolle USA: Pennsylvania Reading: along road on south slope of Mt Nev... H. Wilkens 6853 1941-9-2
GH: 02087416 Lespedeza procumbens Michaux USA: Pennsylvania along Olney Turnpike, 1 mile East of Jackson... H. Wilkens 5027 1936-9-21
GH: 02087415 Lespedeza procumbens Michaux USA: Pennsylvania 1 1/2 miles SE of Pricetown H. Wilkens 5022 1936-9-13
GH: 02087858 Lespedeza violacea (Linnaeus) Persoon USA: Pennsylvania south slope of Furnace Hill. Near Oley Furna... H. Wilkens 6447 1940-9-5
GH: 02129108 Lupinus villosus Willdenow USA: Alabama [data not captured] H. Wilkens 11587 1965-5-3
GH: 02133335 Phaseolus polystachius Michaux USA: Pennsylvania [data not captured] H. Wilkens 5646 1938-8-19
GH: 02345571 Vicia caroliniana Walter USA: Mississippi [data not captured] H. Wilkens 11375 1965-4-22
Fontinalaceae FH: 00540712 Dichelyma capillaceum (Withering) Myrin USA: Pennsylvania [data not captured] H. Wilkens B-1194 1956-9-2
Gentianaceae GH: 02072298 Gentiana andrewsii Grisebach USA: Pennsylvania Carsonia Park, 1 mile south of Stony Creek M... H. Wilkens 4390 1935-10-13
GH: 02165056 Obolaria virginica Linnaeus USA: Pennsylvania Oley Furnace: south slope of Sheep Hill H. Wilkens 2726 1933-4-21
Geraniaceae GH: 01864301 Geranium columbinum Linnaeus USA: Pennsylvania south slope of Furnace Hill. Near Oley Furna... H. Wilkens 5862 1939-6-17
GH: 01866264 Geranium robertianum Linnaeus USA: Pennsylvania 1/2 mile south of Fritztown H. Wilkens 4765 1936-6-23
GH: 01866266 Geranium robertianum Linnaeus USA: Pennsylvania south of Durham Furnace H. Wilkens 109 1929-6-9
Grimmiaceae FH: 00780539 Grimmia wrightii (Sullivant) Austin USA: New Mexico [data not captured] H. Wilkens 1932-4-28
Hypnaceae FH: 00841924 Hypnum revolutum (Mitten) Lindberg USA: New Mexico [data not captured] H. Wilkens 2403-B 1932-6-11
FH: 00841929 Hypnum revolutum (Mitten) Lindberg USA: New Mexico [data not captured] H. Wilkens 2398-A 1932-6-11
Juncaceae GH: 02098364 Juncus acuminatus Michaux USA: Pennsylvania [data not captured] H. Wilkens 2716 1932-7-3
GH: 02101502 Juncus conglomeratus Linnaeus USA: Pennsylvania [data not captured] H. Wilkens 9544 1963-6-13
GH: 02401541 Juncus gerardi Loiseleur-Deslongchamps USA: New Jersey [data not captured] H. Wilkens 3216 1934-6-17
GH: 02400279 Juncus marginatus odoratus Torrey USA: New Jersey [data not captured] H. Wilkens 4885 1936-8-1
GH: 02397134 Juncus tenuis Willdenow USA: Pennsylvania [data not captured] H. Wilkens 6677 1941-6-22
Lamiaceae GH: 01600655 Monarda clinopodia Linnaeus USA: Pennsylvania McCalls Ferry H. Wilkens 187 1929-7-4
GH: 01597025 Prunella vulgaris Linnaeus USA: Pennsylvania 1 1/2 miles southeast of Fleetwood H. Wilkens 4842 1936-7-5
GH: 01597566 Pycnanthemum incanum (Linnaeus) Michaux USA: Pennsylvania Near Oley Furnace, 1.5 miles north of Friede... H. Wilkens 5963 1939-7-16
GH: 01596434 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Pennsylvania in Furnace Creek gap. Near Oley Furnace, 1.5... H. Wilkens 5623 1938-8-7
GH: 01700555 Trichostema brachiatum Linnaeus USA: Pennsylvania 1 mile s.e. of Mt. Pleasant. (Obold P.O.) H. Wilkens 4996 1936-9-4
Limnanthaceae GH: 01181189 Floerkea proserpinacoides Willdenow USA: Pennsylvania along Antietam Creek, Carsonia Park, northwe... H. Wilkens 3871 1935-5-15
GH: 01181192 Floerkea proserpinacoides Willdenow USA: Pennsylvania Along Allegheny Creek, south of Gibraltar H. Wilkens 5456 1938-4-27
Linaceae GH: 02054279 Linum virginianum Linnaeus USA: Pennsylvania 1 1/2 miles southwest of Boyertown H. Wilkens 4875 1936-7-25
Lobeliaceae GH: 01798536 Lobelia nuttallii Roemer & Schultes USA: New Jersey Cape May: north of Cape May City H. Wilkens 4887 1936-8-1
Malvaceae GH: 02201718 Malva moschata Linnaeus USA: Pennsylvania west of Spinnerstown H. Wilkens 111 1929-6-9
Oleaceae GH: 01850679 Ligustrum vulgare Linnaeus USA: Pennsylvania Wyomissing: Wyomissing Blvd. & Lehigh Ave. H. Wilkens 6944 1941-9-17
Orchidaceae GH: 01937542 Cypripedium acaule Aiton USA: Pennsylvania north slope of Furnace Hill, northwest of Ol... H. Wilkens 2760 1933-5-19
AMES: 02051756 Isotria verticillata (Muhlenberg ex Willdenow) Rafinesque USA: Pennsylvania Rittenhouse Gap H. Wilkens 3910 1935-5-26
Orobanchaceae GH: 02034298 Agalinis purpurea (Linnaeus) Pennell USA: Delaware along Christiana River 2 miles east of Newpo... H. Wilkens 4278 1935-9-21
GH: 02034370 Agalinis purpurea (Linnaeus) Pennell USA: New Jersey Ocean City H. Wilkens 2995 1933-9-2
GH: 02034930 Aureolaria flava (Linnaeus) Farwell USA: Pennsylvania south slope of west end of Mt. Neversink, so... H. Wilkens 6877 1941-9-11
GH: 02033260 Aureolaria pedicularia (Linnaeus) Rafinesque USA: Pennsylvania south slope of west end of Mt. Neversink, so... H. Wilkens 6878 1941-9-11
GH: 02079493 Pedicularis lanceolata Michaux USA: Pennsylvania Carsonia Park, 2 mi East of Reading H. Wilkens 347 1929-9-22
Orthotrichaceae FH: 00549901 Orthotrichum anomalum Hedwig USA: New Mexico [data not captured] H. Wilkens 2398-B 1932-6-11
Papaveraceae GH: 01739235 Corydalis sempervirens (Linnaeus) Persoon USA: Pennsylvania along Schuylkill River south of Mt. Neversin... H. Wilkens 1928-7-22
GH: 01739511 Dicentra cucullaria (Linnaeus) Bernhardi USA: Pennsylvania along Schuylkill River 3/4 mile south of Rea... H. Wilkens 3827 1935-4-15
Phyllanthaceae GH: 01971668 Phyllanthus urinaria Linnaeus USA: Mississippi on grounds of Gulf Coast Research Laboratory H. Wilkens 11720 1965-9-18
Plantaginaceae GH: 01999700 Gratiola neglecta Torrey USA: Pennsylvania [data not captured] H. Wilkens 1928-6-9
GH: 01999815 Gratiola pilosa Michaux USA: New Jersey [data not captured] H. Wilkens 322 1929-9-2
GH: 02120363 Penstemon hirsutus (Linnaeus) Willdenow USA: Pennsylvania [data not captured] H. Wilkens 5841 1939-6-9
GH: 01804221 Plantago virginica Linnaeus USA: Pennsylvania [data not captured] H. Wilkens 1940-5-9
GH: 01805093 Veronica americana Schweinitz ex Bentham USA: Pennsylvania [data not captured] H. Wilkens 5878 1939-6-24
GH: 01805088 Veronica americana Schweinitz ex Bentham USA: Pennsylvania [data not captured] H. Wilkens 2849 1933-6-25
GH: 01805315 Veronica anagallis-aquatica Linnaeus USA: Pennsylvania [data not captured] H. Wilkens 4661 1936-6-2
GH: 01812697 Veronicastrum virginicum (Linnaeus) Farwell USA: Pennsylvania [data not captured] H. Wilkens 1143 1931-8-2
Poaceae GH: 01853076 Andropogon glomeratus (Walter) Britton, Sterns & Poggenburg USA: Maryland [data not captured] H. Wilkens 5709 1938-9-25
GH: 01813689 Bothriochloa saccharoides (Swartz) Rydberg USA: Mississippi [data not captured] H. Wilkens 11863 1965-9-27
GH: 01814460 Imperata brasiliensis Trinius USA: Mississippi [data not captured] H. Wilkens 11528 1965-4-30
GH: 01814657 Schizachyrium scoparium (Michaux) Nash USA: Pennsylvania [data not captured] H. Wilkens 5004 1936-9-7
Polygalaceae GH: 01969698 Polygala paucifolia Willdenow USA: Pennsylvania Rittenhouse Gap H. Wilkens 3908 1935-5-26
GH: 01968593 Polygala verticillata Linnaeus USA: Pennsylvania Oley Furnace: south slope of Sheep Hill H. Wilkens 2917 1933-7-16
Polygonaceae GH: 02362077 Persicaria longiseta (Bruijn) Kitagawa USA: Pennsylvania [data not captured] H. Wilkens 5692 1938-9-15
GH: 02007963 Polygonum tenue Michaux USA: Pennsylvania [data not captured] H. Wilkens 4257 1935-9-10
Potamogetonaceae GH: 01572256 Potamogeton foliosus Rafinesque USA: Pennsylvania In Manatawny Creek, 1 mile southeast of Pine... H. Wilkens 5619 1938-8-7
Pottiaceae FH: 00849994 Pleurochaete squarrosa (Bridel) Lindberg USA: New Mexico [data not captured] H. Wilkens 1694a 1932-4-29
FH: 00521453 Weissia ligulaefolia (E. B. Bartram) Grout USA: New Mexico [data not captured] H. Wilkens 1932-4-29
Ranunculaceae GH: 01664856 Ranunculus hederaceus Linnaeus USA: Pennsylvania near Sees' Bridge H. Wilkens 161 1929-6-22
Rosaceae GH: 01586769 Agrimonia pubescens Wallroth USA: Pennsylvania on crest of Furnace Hill. Near Oley Furnace,... H. Wilkens 6025 1939-8-26
GH: 01727295 Amelanchier arborea (F. Michaux) Fernald USA: Pennsylvania South slope of Blue Mountain northwest of Le... H. Wilkens 1097 1931-7-23
GH: 01728597 Amelanchier laevis Wiegand USA: Pennsylvania 1 1/2 mile southeast of Alleghenyville H. Wilkens 5763 1939-4-30
GH: 01729333 Amelanchier stolonifera Wiegand USA: Pennsylvania Reading: northwest of Albright College H. Wilkens 6185 1940-5-23
GH: 01647133 Crataegus punctata Jacquin USA: Pennsylvania Along Sacony Creek east of Kutztown H. Wilkens 5328 1937-8-22
GH: 01609478 Geum fragarioides (Michaux) Smedmark USA: Pennsylvania south of Sacony Creek 1 1/2 miles northwest ... H. Wilkens 3956 1935-6-15
GH: 01610625 Geum vernum (Raf.) Torr. & A. Gray USA: Pennsylvania Sinking Spring: near Cacoosing Creek H. Wilkens 5119 1937-5-15
GH: 00994416 Gillenia trifoliata (Linnaeus) Moench USA: Pennsylvania Mt. Neversink, Reading H. Wilkens 938 1931-6-8
GH: 01568623 Potentilla intermedia Linnaeus USA: Pennsylvania about 1 1/2 mi NE of Auburn H. Wilkens 7571 1945-6-17
GH: 01570496 Potentilla simplex Michaux USA: Pennsylvania west slope of Sheep Hill. Near Oley Furnace,... H. Wilkens 5806 1939-5-27
GH: 01705791 Prunus americana Marshall USA: Pennsylvania 1 1/2 miles southeast of Fleetwood H. Wilkens 6416 1940-8-11
GH: 01723222 Prunus pensylvanica Linnaeus f. USA: Pennsylvania Reading: west slope of Mt. Penn H. Wilkens 2738 1933-5-5
GH: 01725388 Prunus virginiana Linnaeus USA: Pennsylvania about 1 1/2 mile northeast of Baumstown H. Wilkens 5464 1938-5-4
GH: 01701581 Rubus odoratus Linnaeus USA: Pennsylvania Oley Furnace. H. Wilkens 2635 1932-7-14
GH: 01701590 Rubus odoratus Linnaeus USA: Pennsylvania Oley Furnace: crest of Furnace Hill. H. Wilkens 2635 1932-7-14
Rubiaceae GH: 02359415 Galium boreale Linnaeus USA: Pennsylvania [data not captured] H. Wilkens 5513 1938-6-14
GH: 02138457 Galium mollugo Linnaeus USA: Pennsylvania [data not captured] H. Wilkens 7050 1942-6-17
Saxifragaceae GH: 01733931 Heuchera americana brevipetala Rosend., Butters & Lakela USA: Pennsylvania Shillington H. Wilkens 5507 1938-6-9
Selaginellaceae GH: 02075511 Selaginella mutica limitanea Weatherby USA: New Mexico Little Dog Canyon, west slope of Guadalupe M... H. Wilkens 1891
Urticaceae GH: 02170619 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Pennsylvania [data not captured] H. Wilkens 4727 1936-6-16
GH: 02170914 Pilea pumila (Linnaeus) A. Gray USA: Pennsylvania [data not captured] H. Wilkens 6472 1940-9-15
Violaceae GH: 02147151 Viola labradorica Schrank USA: Pennsylvania North slope of Furnace Hill. Near Oley Furna... H. Wilkens 5789 1939-5-14
GH: 02209361 Viola pubescens Aiton USA: Pennsylvania West Reading: Leinbach's Hill. H. Wilkens 19 1929-4-14
Vitaceae GH: 01577820 Parthenocissus quinquefolia (Linnaeus) Planchon USA: Pennsylvania Oley Furnace H. Wilkens 2912 1933-7-16
