Harris County

Showing 551–600 of 1,387.

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  Heliotropium curassavicum L. Native HECU3

  salt heliotrope · Boraginaceae
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  Heliotropium curassavicum L. var. curassavicum Native HECUC2

  salt heliotrope · Boraginaceae
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  Heliotropium indicum L. Introduced HEIN

  Indian heliotrope · Boraginaceae
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  Heliotropium procumbens Mill. Native HEPR3

  fourspike heliotrope · Boraginaceae
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  Heliotropium procumbens Mill. var. procumbens Native HEPRP2

  fourspike heliotrope · Boraginaceae
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  Heliotropium tenellum (Nutt.) Torr. Native HETE3

  pasture heliotrope · Boraginaceae
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  Herbertia lahue (Molina) Goldblatt Native HELA6

  prairienymph · Iridaceae
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  Herbertia lahue (Molina) Goldblatt ssp. caerulea (Herb.) Goldblatt Native HELAC

  prairienymph · Iridaceae
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  Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult. Native HECO10

  tanglehead · Poaceae
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  Heterotheca subaxillaris (Lam.) Britton & Rusby Native HESU3

  camphorweed · Asteraceae
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  Hexalectris spicata (Walter) Barnhart Native HESP3

  spiked crested coralroot · Orchidaceae
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  Hibiscus laevis All. Native HILA2

  halberdleaf rosemallow · Malvaceae
• ⚘
  Hibiscus lasiocarpos Cav. Native HILA6

  rosemallow · Malvaceae
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  Hibiscus striatus Cav. Native HIST

  striped rosemallow · Malvaceae
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  Hibiscus striatus Cav. ssp. lambertianus (Kunth) Blanch. ex Proct. Native HISTL2

  striped rosemallow · Malvaceae
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  Hibiscus syriacus L. Introduced HISY

  rose of Sharon · Malvaceae
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  Hieracium gronovii L. Native HIGR3

  queendevil · Asteraceae
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  Hordeum pusillum Nutt. Native HOPU

  little barley · Poaceae
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  Hordeum vulgare L. Introduced HOVU

  common barley · Poaceae
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  Houstonia micrantha (Shinners) Terrell Native HOMI4

  southern bluet · Rubiaceae
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  Houstonia pusilla Schoepf Native HOPU3

  tiny bluet · Rubiaceae
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  Hydrocleys nymphoides (Humb. & Bonpl. ex Willd.) Buchenau Introduced HYNY

  waterpoppy · Limnocharitaceae
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  Hydrocotyle verticillata Thunb. Native HYVE2

  whorled marshpennywort · Apiaceae
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  Hydrolea ovata Nutt. ex Choisy Native HYOV

  ovate false fiddleleaf · Hydrophyllaceae
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  Hygrophila lacustris (Schltdl. & Cham.) Nees Native HYLA

  gulf swampweed · Acanthaceae
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  Hymenocallis liriosme (Raf.) Shinners Native HYLI

  spring spiderlily · Liliaceae
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  Hymenopappus artemisiifolius DC. Native HYAR3

  oldplainsman · Asteraceae
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  Hymenopappus artemisiifolius DC. var. artemisiifolius Native HYARA

  oldplainsman · Asteraceae
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  Hymenoxys texana (J.M. Coult. & Rose) Cockerell Native HYTE5

  prairiedawn · Asteraceae
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  Hypericum crux-andreae (L.) Crantz Native HYCR3

  St. Peterswort · Clusiaceae
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  Hypericum drummondii (Grev. & Hook.) Torr. & A. Gray Native HYDR

  nits and lice · Clusiaceae
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  Hypericum galioides Lam. Native HYGA

  bedstraw St. Johnswort · Clusiaceae
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  Hypericum gymnanthum Engelm. & A. Gray Native HYGY

  claspingleaf St. Johnswort · Clusiaceae
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  Hypericum hypericoides (L.) Crantz Native HYHY

  St. Andrew's cross · Clusiaceae
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  Hypericum hypericoides (L.) Crantz ssp. hypericoides Native HYHYH

  St. Andrew's cross · Clusiaceae
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  Hypericum mutilum L. Native HYMU

  dwarf St. Johnswort · Clusiaceae
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  Hypochaeris microcephala (Sch. Bip.) Cabrera Introduced HYMI5

  smallhead cat's ear · Asteraceae
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  Hypochaeris microcephala (Sch. Bip.) Cabrera var. albiflora (Kuntze) Cabrera Introduced HYMIA

  smallhead cat's ear · Asteraceae
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  Hypoxis curtissii Rose Native HYCU5

  Curtis' star-grass · Liliaceae
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  Hypoxis hirsuta (L.) Coville Native HYHI2

  common goldstar · Liliaceae
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  Hyptis alata (Raf.) Shinners Native HYAL

  clustered bushmint · Lamiaceae
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  Ibervillea lindheimeri (A. Gray) Greene Native IBLI

  Lindheimer's globeberry · Cucurbitaceae
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  Ilex opaca Aiton Native ILOP

  American holly · Aquifoliaceae
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  Ilex opaca Aiton var. opaca Native ILOPO

  American holly · Aquifoliaceae
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  Ilex vomitoria Aiton Native ILVO

  yaupon · Aquifoliaceae
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  Ipomoea alba L. Native IPAL

  tropical white morning-glory · Convolvulaceae
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  Ipomoea cordatotriloba Dennst. Native IPCO8

  tievine · Convolvulaceae
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  Ipomoea cordatotriloba Dennst. var. cordatotriloba Native IPCOC2

  tievine · Convolvulaceae
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  Ipomoea pandurata (L.) G. Mey. Native IPPA

  man of the earth · Convolvulaceae
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  Ipomoea sagittata Poir. Native IPSA

  saltmarsh morning-glory · Convolvulaceae