Montgomery County

Showing 301–350 of 748.

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  Glechoma hederacea L. Introduced GLHE2

  ground ivy · Lamiaceae
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  Gleditsia triacanthos L. Native GLTR

  honeylocust · Fabaceae
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  Glyceria striata (Lam.) Hitchc. Native GLST

  fowl mannagrass · Poaceae
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  Gratiola neglecta Torr. Native GRNE

  clammy hedgehyssop · Scrophulariaceae
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  Grindelia squarrosa (Pursh) Dunal Native GRSQ

  curlycup gumweed · Asteraceae
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  Grindelia squarrosa (Pursh) Dunal var. squarrosa Native GRSQS2

  curlycup gumweed · Asteraceae
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  Gymnocladus dioicus (L.) K. Koch Native GYDI

  Kentucky coffeetree · Fabaceae
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  Hackelia virginiana (L.) I.M. Johnst. Native HAVI2

  beggarslice · Boraginaceae
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  Hedeoma hispida Pursh Native HEHI

  rough false pennyroyal · Lamiaceae
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  Hedeoma pulegioides (L.) Pers. Native HEPU

  American false pennyroyal · Lamiaceae
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  Hedera helix L. Introduced HEHE

  English ivy · Araliaceae
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  Helenium autumnale L. Native HEAU

  common sneezeweed · Asteraceae
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  Helenium autumnale L. var. autumnale Native HEAUA

  common sneezeweed · Asteraceae
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  Helianthus grosseserratus M. Martens Native HEGR4

  sawtooth sunflower · Asteraceae
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  Helianthus microcephalus Torr. & A. Gray Native HEMI3

  small woodland sunflower · Asteraceae
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  Helianthus tuberosus L. Native HETU

  Jerusalem artichoke · Asteraceae
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  Heliopsis helianthoides (L.) Sweet Native HEHE5

  smooth oxeye · Asteraceae
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  Heliopsis helianthoides (L.) Sweet var. helianthoides Native HEHEH

  smooth oxeye · Asteraceae
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  Hepatica nobilis Schreb. Native HENO2

  hepatica · Ranunculaceae
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  Hepatica nobilis Schreb. var. acuta (Pursh) Steyerm. Native HENOA

  sharplobe hepatica · Ranunculaceae
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  Heracleum maximum W. Bartram Native HEMA80

  common cowparsnip · Apiaceae
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  Hesperis matronalis L. Introduced HEMA3

  dames rocket · Brassicaceae
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  Heteranthera dubia (Jacq.) MacMill. Native HEDU2

  grassleaf mudplantain · Pontederiaceae
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  Heuchera americana L. Native HEAM6

  American alumroot · Saxifragaceae
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  Heuchera americana L. var. hirsuticaulis (Wheelock) Rosend., Butters & Lakela Native HEAMH

  American alumroot · Saxifragaceae
• 
  Hibiscus trionum L. Introduced HITR

  flower of an hour · Malvaceae
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  Hierochloe hirta (Schrank) Borbás Native HIHI

  northern sweetgrass · Poaceae
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  Hierochloe hirta (Schrank) Borbás ssp. arctica (J. Presl) G. Weim. Native HIHIA

  northern sweetgrass · Poaceae
• 
  Holosteum umbellatum L. Introduced HOUM

  jagged chickweed · Caryophyllaceae
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  Houstonia longifolia Gaertn. Native HOLO

  longleaf summer bluet · Rubiaceae
• 
  Humulus lupulus L. Both HULU

  common hop · Cannabaceae
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  Hybanthus concolor (T.F. Forst.) Spreng. Native HYCO6

  eastern greenviolet · Violaceae
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  Hydrangea arborescens L. Native HYAR

  wild hydrangea · Hydrangeaceae
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  Hydrastis canadensis L. Native HYCA

  goldenseal · Ranunculaceae
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  Hydrophyllum appendiculatum Michx. Native HYAP

  great waterleaf · Hydrophyllaceae
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  Hydrophyllum virginianum L. Native HYVI

  eastern waterleaf · Hydrophyllaceae
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  Hydrophyllum virginianum L. var. virginianum Native HYVIV

  eastern waterleaf · Hydrophyllaceae
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  Hypericum majus (A. Gray) Britton Native HYMA2

  large St. Johnswort · Clusiaceae
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  Hypericum mutilum L. Native HYMU

  dwarf St. Johnswort · Clusiaceae
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  Hypericum prolificum L. Native HYPR

  shrubby St. Johnswort · Clusiaceae
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  Hypericum punctatum Lam. Native HYPU

  spotted St. Johnswort · Clusiaceae
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  Hypericum sphaerocarpum Michx. Native HYSP2

  roundseed St. Johnswort · Clusiaceae
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  Impatiens capensis Meerb. Native IMCA

  jewelweed · Balsaminaceae
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  Impatiens pallida Nutt. Native IMPA

  pale touch-me-not · Balsaminaceae
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  Iodanthus pinnatifidus (Michx.) Steud. Native IOPI

  purplerocket · Brassicaceae
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  Ipomoea hederacea Jacq. Introduced IPHE

  ivyleaf morning-glory · Convolvulaceae
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  Ipomoea pandurata (L.) G. Mey. Native IPPA

  man of the earth · Convolvulaceae
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  Ipomoea purpurea (L.) Roth Introduced IPPU2

  tall morning-glory · Convolvulaceae
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  Iris virginica L. Native IRVI

  Virginia iris · Iridaceae
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  Iris virginica L. var. shrevei (Small) E.S. Anderson Native IRVIS

  Shreve's iris · Iridaceae