Alismataceae GH: 01617955 Alisma subcordatum Pursh USA: New York Staten Island: Reed's Swamp, Dongan Hills P. Dowell 2523 1903-9-20
Amaranthaceae GH: 01928932 Amaranthus cannabinus (Linnaeus) J. D. Sauer USA: New York South Ave. P. Dowell 2450 1903-9-13
Aristolochiaceae GH: 01681760 Aristolochia serpentaria Linnaeus USA: District of Columbia [data not captured] P. Dowell 1753 1903-7-14
Asteraceae GH: 02172077 Arctium lappa Linnaeus USA: New York [data not captured] P. Dowell 11896 1903-9-7
GH: 02216201 Chrysopsis mariana (Linnaeus) Elliott USA: New York Staten Island: [data not captured] P. Dowell [data not captured] 2709 1903-10-4
GH: 02020641 Cirsium discolor (Muhlenberg ex Willdenow) Sprengel USA: New York [data not captured] P. Dowell 2421 1903-9-12
GH: 02021358 Cirsium muticum Michaux USA: New York [data not captured] P. Dowell 2525 1903-9-20
GH: 02021676 Cirsium pumilum (Nuttall) Sprengel USA: New York [data not captured] P. Dowell 13102 1903-9-12
GH: 02022063 Cirsium vulgare (Savi) Tenore USA: New York [data not captured] P. Dowell 2501 1903-9-19
GH: 02205108 Doellingeria umbellata (Miller) Nees USA: New York Staten Island: [data not captured] P. Dowell 2681 1903-10-3
GH: 02190787 Eupatorium sessilifolium Linnaeus USA: New York Staten Island: Richmond Hill P. Dowell 2615 1903-9-26
GH: 02044823 Euthamia caroliniana (Linnaeus) Greene ex Porter & Britton USA: New York Staten Island. South Ave. P. Dowell 2667 1903-10-3
GH: 02044823 Euthamia tenuifolia USA: New York Staten Island. South Ave. P. Dowell 2667 1903-10-3
GH: 02191234 Eutrochium maculatum (Linnaeus) E. E. Lamont USA: New York Staten Island: Arlington Sta. P. Dowell 2682 1903-10-3
GH: 01832896 Hieracium scabrum Michaux USA: New York [data not captured] P. Dowell Wm T. Davis 13317 1903-10-17
GH: 01833184 Hieracium venosum Linnaeus USA: New York Staten Island: [data not captured] P. Dowell 2772; 13332 1903-11-1
GH: 01834381 Lactuca canadensis Linnaeus USA: New York Staten Island: [data not captured] P. Dowell Wm J. Davis 13359, 2685 1903-10-4
GH: 02217124 Mikania scandens (Linnaeus) Willdenow USA: New York Staten Island: Old Quarry Road P. Dowell 2500 1903-9-19
Boraginaceae GH: 01872995 Myosotis laxa Lehmann USA: New York Staten Island: Old Quarry Road P. Dowell 2153 1903-6-1
Brassicaceae GH: 01098965 Cardamine concatenata (Michaux) O. Schwarz USA: New York Staten Island: Mill Cr. Pond P. Dowell 2025 1903-4-25
GH: 01691773 Raphanus raphanistrum Linnaeus USA: New York Staten Island: near Port Richmond P. Dowell 2572 1903-9-22
GH: 01692838 Rorippa palustris hispida (Desvaux) Rydberg USA: New York Staten Island: Arlington - South Ave. P. Dowell 2451 1903-9-13
GH: 01716261 Sisymbrium officinale (Linnaeus) Scopoli USA: New York Staten Island: Albion Place P. Dowell 2216 1903-6-16
Campanulaceae GH: 01953941 Triodanis perfoliata (Linnaeus) Nieuwland USA: New York Staten Island: Huguenot Park P. Dowell 2260 1903-6-21
Caprifoliaceae GH: 02184500 Viburnum acerifolium Linnaeus USA: New York Staten Island: Todt Hill P. Dowell 2108 1903-5-23
Caryophyllaceae GH: 01740827 Agrostemma githago Linnaeus USA: New York Staten Island: Huguenot Park P. Dowell 2259 1903-6-21
GH: 01751029 Scleranthus annuus Linnaeus USA: New York Staten Island: Old Quarry Road P. Dowell 2155 1903-6-1
GH: 01622574 Stellaria longifolia Muhlenberg ex Willdenow USA: New York Staten Island: Palmer Run P. Dowell 2105 1903-5-19
Chenopodiaceae GH: 01826557 Atriplex prostrata Boucher ex de Candolle USA: New York Staten Island: [data not captured] P. Dowell 2463 1903-9-13
GH: 01781987 Chenopodium album Linnaeus USA: New York Staten Island: [data not captured] P. Dowell 2413 1903-9-12
GH: 01781984 Chenopodium album Linnaeus USA: New York Staten Island: [data not captured] P. Dowell 2409 1903-9-19
GH: 01783533 Salicornia europaea Linnaeus USA: New York Staten Island: [data not captured] P. Dowell Wm. J. Davis 2623 1903-9-27
GH: 01783808 Salsola kali Linnaeus USA: New York Staten Island: [data not captured] P. Dowell Wm. J. Davis 2621 1903-9-27
GH: 01783874 Salsola tragus Linnaeus USA: New York Staten Island: [data not captured] P. Dowell Wm. J. Davis 2686 1903-10-4
GH: 01785357 Suaeda calceoliformis (Hooker) Moquin-Tandon USA: New York Staten Island: [data not captured] P. Dowell 2620 1903-9-27
Convolvulaceae GH: 02055438 Calystegia sepium appalachiana Brummitt USA: New York Staten Island: Palmer Run P. Dowell 2203 1903-6-16
GH: 02055820 Convolvulus arvensis Linnaeus USA: New York Staten Island: Westerleigh P. Dowell 2172 1903-6-6
GH: 02056297 Cuscuta compacta Jussieu ex Choisy USA: New York Staten Island: South Ave. P. Dowell 2662 1903-10-3
Cucurbitaceae GH: 01544102 Echinocystis lobata (Michaux) Torrey & A. Gray USA: New York Staten Island: Palmer Run, Port Richmond P. Dowell 2406 1903-9-10
Cyperaceae GH: 01772644 Carex intumescens Rudge USA: New York Staten Island: [data not captured] P. Dowell 2220 1903-6-20
GH: 02370020 Carex rosea Schkuhr ex Willdenow USA: New York Staten Island: [data not captured] P. Dowell 2134 1903-5-23
Dysphaniaceae GH: 01784243 Dysphania ambrosioides (Linnaeus) Mosyakin & Clemants USA: New York Staten Island: [data not captured] P. Dowell 2372 1903-9-10
Ericaceae GH: 01593616 Kalmia angustifolia Linnaeus USA: New York Staten Island; Watchogue P. Dowell Wm. T. Davis 2224 1903-6-20
Fabaceae GH: 02150814 Lespedeza capitata Michaux USA: New York Staten Island: Richmond Valley P. Dowell Wm. J. Davis 2719 1903-10-4
GH: 02087518 Lespedeza repens (Linnaeus) W. P. C. Barton USA: Maryland Glen Echo P. Dowell 1781 1903-7-26
Geraniaceae GH: 01863558 Erodium cicutarium (Linnaeus) L'Heritier USA: New York Staten Island: Tottenville P. Dowell Wm. J. Davis 2683 1903-10-4
GH: 01864287 Geranium columbinum Linnaeus USA: Maryland Glen Echo: [no additional data] P. Dowell 1788 1903-7-26
Iridaceae GH: 01748998 Sisyrinchium atlanticum E. P. Bicknell USA: New York Staten Island: Old Quarry Road P. Dowell 2163 1903-6-3
Juncaceae GH: 02100696 Juncus bufonius Linnaeus USA: New York Staten Island: [data not captured] P. Dowell 3243 1903-6-20
GH: 02401549 Juncus gerardi Loiseleur-Deslongchamps USA: New York Staten Island: [data not captured] P. Dowell Wm. J. Davis 2244 1903-6-20
GH: 02398324 Juncus scirpoides Lamarck USA: District of Columbia [data not captured] P. Dowell 1835 1903-8-23
Lamiaceae GH: 01554113 Collinsonia canadensis Linnaeus USA: New York Staten Island: Todt Hill P. Dowell 2541 1903-9-20
GH: 01553416 Hedeoma pulegioides (Linnaeus) Persoon USA: New York Staten Island: New Doop P. Dowell Wm. D. Davis 2654 1903-9-27
GH: 01552885 Lycopus uniflorus Michaux USA: New York Staten Island: Palmer Run, near Port Richmon... P. Dowell 2386 1903-9-10
GH: 01552954 Lycopus virginicus Linnaeus USA: Maryland Takoma Park: [no additional data] P. Dowell 1834 1903-8-23
GH: 01552987 Lycopus virginicus Linnaeus USA: New York Staten Island: Palmer River, near Port Richm... P. Dowell 2387 1903-9-10
GH: 01551843 Mentha canadensis Linnaeus USA: New York Staten Island: Nicholas Ave. P. Dowell 2357 1903-9-7
GH: 01598985 Prunella vulgaris Linnaeus USA: New York Staten Island: Charles Ave. P. Dowell 2729 1903-10-13
Linaceae GH: 02054173 Linum usitatissimum Linnaeus USA: New York Staten Island: Arlington Sta. - along R.R. P. Dowell 2678 1903-10-3
Lobeliaceae GH: 01798206 Lobelia inflata Linnaeus USA: New York Staten Island: Iron Mines, Jewett Ave. P. Dowell 2471 1903-9-19
GH: 01798976 Lobelia siphilitica Linnaeus USA: New York Staten Island: Reed's Swamp P. Dowell 2520 1903-9-20
Malvaceae GH: 02201229 Hibiscus moscheutos Linnaeus USA: New York Staten Island: South Ave. P. Dowell 2449 1903-9-13
GH: 02201122 Hibiscus moscheutos Linnaeus USA: Maryland Great Falls P. Dowell 1759 1903-7-19
Nymphaeaceae GH: 01740588 Nymphaea odorata Aiton USA: New York Staten Island: Near Port Richmond P. Dowell 2305 1903-7-3
Onagraceae GH: 01780146 Ludwigia palustris (Linnaeus) Elliott USA: New York Staten Island: near Port Richmond, Old Quarr... P. Dowell 2496 1903-9-19
Orchidaceae AMES: 01938578 Corallorhiza odontorhiza (Willdenow) Poiret USA: New York Staten Island above Reed's Swamp Ocean Terra... P. Dowell 2540 1903-9-20
AMES: 01937506 Cypripedium acaule Aiton USA: New York Rossville, Staten Island P. Dowell Wm. T. Davis 2086 1903-5-10
AMES: 02028854 Malaxis unifolia Michaux USA: Maryland Glen Echo P. Dowell 1777 1903-7-26
AMES: 02032623 Spiranthes tuberosa Rafinesque USA: Maryland Takoma Park P. Dowell 1812 1903-8-23
Orobanchaceae GH: 01879852 Conopholis americana (Linnaeus) Wallroth USA: New York Staten Island: Middletown Forest P. Dowell Wm. J. Davis 2766 1903-11-1
GH: 02082067 Melampyrum lineare Desrousseaux USA: New York Staten Island: Ocean Terrace P. Dowell 2124 1903-5-23
GH: 02080085 Pedicularis canadensis Linnaeus USA: New York Staten Island: Palmer Run P. Dowell 2026 1903-4-25
GH: 02079487 Pedicularis lanceolata Michaux USA: New York Staten Island: Reed's Swamp. Dongan Hills P. Dowell 2519 1903-9-20
Oxalidaceae GH: 01585466 Oxalis florida Salisbury USA: New York Staten Island: Richmond Hill P. Dowell 2616 1903-9-26
Phyllanthaceae GH: 01971423 Phyllanthopsis phyllanthoides Vorontsova & Petra Hoffmann USA: Maryland Plummer Island P. Dowell 1809 1903-8-16
GH: 01971423 Phyllanthus carolinensis Walter USA: Maryland Plummer Island P. Dowell 1809 1903-8-16
Phytolaccaceae GH: 01681293 Phytolacca americana Linnaeus USA: New York Staten Island: [data not captured] P. Dowell 2470 1903-9-19
Plantaginaceae GH: 02000987 Linaria vulgaris Miller USA: New York Staten Island: [data not captured] P. Dowell 8768 1903-6-27
GH: 02001194 Mecardonia acuminata (Walter) Small USA: District of Columbia [data not captured] P. Dowell 1808 1903-8-16
GH: 01805834 Veronica officinalis Linnaeus USA: New York Staten Island: [data not captured] P. Dowell 2116 1903-5-23
Polygonaceae GH: 02346075 Antenoron virginianum (Linnaeus) Roberty & Vautier USA: New York [data not captured] P. Dowell 5053 1903-9-12
Portulacaceae GH: 01859531 Claytonia virginica Linnaeus USA: New York Staten Island: Mill Cr. Pond P. Dowell 2002 1903-3-21
Potamogetonaceae GH: 01564009 Potamogeton amplifolius Tuckerman USA: New York [data not captured] P. Dowell 14010 1903-7-9
Primulaceae GH: 01918838 Lysimachia nummularia Linnaeus USA: New York Staten Island: In Willow Brook, near Richmon... P. Dowell 2567 1903-9-22
Ranunculaceae GH: 01708305 Anemone quinquefolia Linnaeus USA: New York Staten Island: Palmer River. near Port Richm... P. Dowell 2027 1903-4-25
GH: 01657335 Clematis viorna Linnaeus USA: Maryland Great Falls P. Dowell 1771 1903-7-19
GH: 01661413 Hepatica americana (de Candolle) Ker Gawler USA: New York Staten Island: Bloodroot Valley P. Dowell 2586 1903-9-26
GH: 01662112 Ranunculus abortivus Linnaeus USA: New York Staten Island: Palmer Run, near Port Richmon... P. Dowell 2029 1903-4-25
GH: 01662405 Ranunculus acris Linnaeus USA: New York Staten Island: Charles Ave. near Port Richmo... P. Dowell 2140 1903-5-26
GH: 01662966 Ranunculus bulbosus Linnaeus USA: New York Staten Island: Charles Avenue P. Dowell 2101 1903-5-17
GH: 01839496 Thalictrum pubescens Pursh USA: New York Staten Island: South Ave. P. Dowell 2221 1903-6-20
GH: 01839724 Thalictrum thalictroides (Linnaeus) A. J. Eames & B. Boivin USA: New York Staten Island: New Springville P. Dowell 2014 1903-4-5
Rosaceae GH: 01588932 Duchesnea indica (Andrews) Focke USA: New York Staten Island: near Richmond Road. Dongan Hi... P. Dowell 2051 1903-4-26
GH: 01606850 Fragaria virginiana Miller USA: New York Staten Island: Palmer Run P. Dowell 2030 1903-4-25
GH: 01610665 Geum virginianum Linnaeus USA: New York Staten Island: so. of Charles Ave. near Port... P. Dowell 2178 1903-6-6
GH: 01569492 Potentilla norvegica Linnaeus USA: New York Staten Island: Palmer Run P. Dowell 2277 1903-6-27
Saxifragaceae GH: 01733569 Chrysosplenium americanum Schweinitz ex Hooker USA: New York Staten Island: Marthing's Pond P. Dowell 2018 1903-4-18
Solanaceae GH: 01543255 Solanum emulans Rafinesque USA: New York Staten Island: Richmond Hill P. Dowell 2617 1903-9-26
Typhaceae GH: 00466975 Typha angustifolia Linnaeus USA: New York Staten Island: Watchogue P. Dowell 2227 1903-6-20
Violaceae GH: 02210169 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: New York Staten Island: Huguenot P. Dowell 2249 1903-6-21