New York

• Albany 36001
  1,960 taxa Open ↗
• Allegany 36003
  637 taxa Open ↗
• Bronx 36005
  2,098 taxa Open ↗
• Broome 36007
  421 taxa Open ↗
• Cattaraugus 36009
  1,554 taxa Open ↗
• Cayuga 36011
  1,055 taxa Open ↗
• Chautauqua 36013
  856 taxa Open ↗
• Chemung 36015
  1,296 taxa Open ↗
• Chenango 36017
  856 taxa Open ↗
• Clinton 36019
  943 taxa Open ↗

Showing 551–600 of 1,293 (introduced).

• 
  Hieracium lachenalii C.C. Gmel. Introduced HILA8

  common hawkweed · Asteraceae 9 counties
• 
  Hieracium murorum L. Introduced HIMU

  wall hawkweed · Asteraceae 10 counties
• 
  Hieracium pilosella L. Introduced HIPI

  mouseear hawkweed · Asteraceae 29 counties
• 
  Hieracium pilosella L. var. pilosella Introduced HIPIP

  mouseear hawkweed · Asteraceae 27 counties
• 
  Hieracium piloselloides Vill. Introduced HIPI2

  tall hawkweed · Asteraceae 38 counties
• 
  Hieracium praealtum Vill. ex Gochnat Introduced HIPR3

  kingdevil · Asteraceae 3 counties
• 
  Hieracium praealtum Vill. ex Gochnat var. decipiens W.D.J. Koch Introduced HIPRD

  kingdevil · Asteraceae 2 counties
• 
  Hieracium sabaudum L. Introduced HISA4

  New England hawkweed · Asteraceae 3 counties
• 
  Hieracium ×flagellare Willd. (pro sp.) [caespitosum × pilosella] Introduced HIFL2

  hawkweed · Asteraceae 4 counties
• 
  Hieracium ×floribundum Wimm. & Grab. (pro sp.) [caespitosum × lactucella] Introduced HIFL3

  hawkweed · Asteraceae 13 counties
• 
  Hieracium ×fuscatrum Naegeli & Peter (pro sp.) [aurantiacum × caespitosum] Introduced HIFU2

  hawkweed · Asteraceae 2 counties
• 
  Holcus lanatus L. Introduced HOLA

  common velvetgrass · Poaceae 41 counties
• 
  Holcus mollis L. Introduced HOMO

  creeping velvetgrass · Poaceae 6 counties
• 
  Holosteum umbellatum L. Introduced HOUM

  jagged chickweed · Caryophyllaceae 3 counties
• 
  Hordeum murinum L. Introduced HOMU

  mouse barley · Poaceae 7 counties
• 
  Hordeum murinum L. ssp. leporinum (Link) Arcang. Introduced HOMUL

  hare barley · Poaceae 4 counties
• 
  Hordeum vulgare L. Introduced HOVU

  common barley · Poaceae 18 counties
• 
  Hosta lancifolia (Thunb.) Engl. Introduced HOLA3

  narrowleaf plantain lily · Liliaceae 2 counties
• 
  Hosta ventricosa (Salisb.) Stearn Introduced HOVE

  blue plantain lily · Liliaceae 6 counties
• 
  Humulus japonicus Siebold & Zucc. Introduced HUJA

  Japanese hop · Cannabaceae 25 counties
• 
  Hyacinthoides hispanica (Mill.) Rothm. Introduced HYHI5

  Hispanic hyacinthoides · Liliaceae 2 counties
• 
  Hyacinthoides non-scripta (L.) Chouard ex Rothm. Introduced HYNO

  English bluebell · Liliaceae 4 counties
• 
  Hydrangea paniculata Siebold Introduced HYPA

  panicled hydrangea · Hydrangeaceae 5 counties
• 
  Hydrilla verticillata (L. f.) Royle Introduced HYVE3

  waterthyme · Hydrocharitaceae 2 counties
• 
  Hydrocharis morsus-ranae L. Introduced HYMO6

  common frogbit · Hydrocharitaceae 4 counties
• 
  Hylotelephium spectabile (Boreau) H. Ohba Introduced HYSP9

  showy stonecrop · Crassulaceae 6 counties
• 
  Hylotelephium telephium (L.) H. Ohba Introduced HYTE10

  witch's moneybags · Crassulaceae 31 counties
• 
  Hylotelephium telephium (L.) H. Ohba ssp. telephium Introduced HYTET2

  witch's moneybags · Crassulaceae 25 counties
• 
  Hyoscyamus niger L. Introduced HYNI

  black henbane · Solanaceae 8 counties
• 
  Hypericum humifusum L. Introduced HYHU2

  trailing St. Johnswort · Clusiaceae 1 county
• 
  Hypericum perforatum L. Introduced HYPE

  common St. Johnswort · Clusiaceae 42 counties
• 
  Hypochaeris radicata L. Introduced HYRA3

  hairy cat's ear · Asteraceae 22 counties
• 
  Hyssopus officinalis L. Introduced HYOF

  hyssop · Lamiaceae 12 counties
• 
  Iberis carnosa Willd. Introduced IBCA2

  Pruit's candytuft · Brassicaceae 2 counties
• 
  Iberis sempervirens L. Introduced IBSE

  evergreen candytuft · Brassicaceae 1 county
• 
  Iberis umbellata L. Introduced IBUM

  globe candytuft · Brassicaceae 1 county
• 
  Idesia polycarpa Maxim. Introduced IDPO

  idesia · Flacourtiaceae 1 county
• 
  Ilex crenata Thunb. Introduced ILCR2

  Japanese holly · Aquifoliaceae 6 counties
• 
  Impatiens balsamina L. Introduced IMBA

  spotted snapweed · Balsaminaceae 3 counties
• 
  Impatiens glandulifera Royle Introduced IMGL

  ornamental jewelweed · Balsaminaceae 5 counties
• 
  Inula britannica L. Introduced INBR

  British yellowhead · Asteraceae 1 county
• 
  Inula helenium L. Introduced INHE

  elecampane inula · Asteraceae 29 counties
• 
  Inula salicina L. Introduced INSA

  willowleaf yellowhead · Asteraceae 1 county
• 
  Ipomoea batatas (L.) Lam. Introduced IPBA2

  sweetpotato · Convolvulaceae 1 county
• 
  Ipomoea coccinea L. Introduced IPCO3

  redstar · Convolvulaceae 1 county
• 
  Ipomoea hederacea Jacq. Introduced IPHE

  ivyleaf morning-glory · Convolvulaceae 10 counties
• 
  Ipomoea purpurea (L.) Roth Introduced IPPU2

  tall morning-glory · Convolvulaceae 16 counties
• ⚘
  Iris germanica L. Introduced IRGE

  German iris · Iridaceae 5 counties
• 
  Iris pseudacorus L. Introduced IRPS

  paleyellow iris · Iridaceae 29 counties
• 
  Iris sibirica L. Introduced IRSI

  Siberian iris · Iridaceae 4 counties