Linn County

Showing 401–450 of 895.

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  Hemerocallis fulva (L.) L. Introduced HEFU

  orange daylily · Liliaceae
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  Heteranthera multiflora (Griseb.) Horn Native HEMU5

  bouquet 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
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  Hibiscus laevis All. Native HILA2

  halberdleaf rosemallow · Malvaceae
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  Hibiscus trionum L. Introduced HITR

  flower of an hour · Malvaceae
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  Hieracium longipilum Torr. Native HILO2

  hairy hawkweed · Asteraceae
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  Holosteum umbellatum L. Introduced HOUM

  jagged chickweed · Caryophyllaceae
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  Hordeum jubatum L. Native HOJU

  foxtail barley · Poaceae
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  Hordeum jubatum L. ssp. jubatum Native HOJUJ

  foxtail barley · Poaceae
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  Hordeum pusillum Nutt. Native HOPU

  little barley · Poaceae
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  Houstonia pusilla Schoepf Native HOPU3

  tiny bluet · Rubiaceae
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  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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  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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  Hymenopappus scabiosaeus L'Hér. Native HYSC

  Carolina woollywhite · Asteraceae
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  Hymenopappus scabiosaeus L'Hér. var. corymbosus (Torr. & A. Gray) B.L. Turner Native HYSCC

  Carolina woollywhite · Asteraceae
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  Hypericum perforatum L. Introduced HYPE

  common 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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  Hypoxis hirsuta (L.) Coville Native HYHI2

  common goldstar · Liliaceae
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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 lacunosa L. Native IPLA

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

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

  tall morning-glory · Convolvulaceae
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  Iva annua L. Native IVAN2

  annual marsh elder · Asteraceae
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  Iva annua L. var. annua Native IVANA

  annual marsh elder · Asteraceae
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  Juglans nigra L. Native JUNI

  black walnut · Juglandaceae
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  Juncus acuminatus Michx. Native JUAC

  tapertip rush · Juncaceae
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  Juncus interior Wiegand Native JUIN2

  inland rush · Juncaceae
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  Juncus marginatus Rostk. Native JUMA4

  grassleaf rush · Juncaceae
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  Juncus tenuis Willd. Native JUTE

  poverty rush · Juncaceae
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  Juncus torreyi Coville Native JUTO

  Torrey's rush · Juncaceae
• 
  Juniperus virginiana L. Native JUVI

  eastern redcedar · Cupressaceae
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  Juniperus virginiana L. var. virginiana Native JUVIV

  eastern redcedar · Cupressaceae
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  Justicia americana (L.) Vahl Native JUAM

  American water-willow · Acanthaceae
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  Koeleria macrantha (Ledeb.) Schult. Native KOMA

  prairie Junegrass · Poaceae
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  Krigia caespitosa (Raf.) K.L. Chambers Native KRCA

  weedy dwarfdandelion · Asteraceae
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  Lactuca canadensis L. Native LACA

  Canada lettuce · Asteraceae
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  Lactuca floridana (L.) Gaertn. Native LAFL

  woodland lettuce · Asteraceae
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  Lactuca saligna L. Introduced LASA

  willowleaf lettuce · Asteraceae
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  Lactuca serriola L. Introduced LASE

  prickly lettuce · Asteraceae
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  Lamium amplexicaule L. Introduced LAAM

  henbit deadnettle · Lamiaceae
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  Lamium purpureum L. Introduced LAPU2

  purple deadnettle · Lamiaceae
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  Lamium purpureum L. var. purpureum Introduced LAPUP

  purple deadnettle · Lamiaceae
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  Laportea canadensis (L.) Weddell Native LACA3

  Canadian woodnettle · Urticaceae
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  Leersia lenticularis Michx. Native LELE2

  catchfly grass · Poaceae