Multnomah County

Showing 651–700 of 1,590.

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  Gymnocarpium dryopteris (L.) Newman Native GYDR

  western oakfern · Dryopteridaceae
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  Hackelia diffusa (Lehm.) I.M. Johnst. Native HADI2

  spreading stickseed · Boraginaceae
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  Hackelia diffusa (Lehm.) I.M. Johnst. var. diffusa Native HADID

  spreading stickseed · Boraginaceae
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  Hackelia micrantha (Eastw.) J.L. Gentry Native HAMI

  Jessica sticktight · Boraginaceae
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  Hackelia patens (Nutt.) I.M. Johnst. Native HAPA

  spotted stickseed · Boraginaceae
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  Hackelia patens (Nutt.) I.M. Johnst. var. patens Native HAPAP

  spotted stickseed · Boraginaceae
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  Hedera helix L. Introduced HEHE

  English ivy · Araliaceae
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  Hedera hibernica (G. Kirchn.) Bean Introduced HEHI12

  Atlantic Ivy · Araliaceae
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  Helenium autumnale L. Native HEAU

  common sneezeweed · Asteraceae
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  Helenium autumnale L. var. grandiflorum (Nutt.) Torr. & A. Gray Native HEAUG

  fall sneezeweed · Asteraceae
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  Helenium autumnale L. var. montanum (Nutt.) Fernald Native HEAUM

  mountain sneezeweed · Asteraceae
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  Helianthus annuus L. Native HEAN3

  common sunflower · Asteraceae
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  Heliotropium curassavicum L. Native HECU3

  salt heliotrope · Boraginaceae
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  Heliotropium curassavicum L. var. obovatum DC. Native HECUO2

  seaside heliotrope · Boraginaceae
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  Heracleum mantegazzianum Sommier & Levier Introduced HEMA17

  giant hogweed · Apiaceae
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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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  Heterotheca oregona (Nutt.) Shinners Native HEOR2

  Oregon false goldenaster · Asteraceae
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  Heterotheca villosa (Pursh) Shinners Native HEVI4

  hairy false goldenaster · Asteraceae
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  Heterotheca villosa (Pursh) Shinners var. foliosa (Nutt.) V.L. Harms Native HEVIF

  hairy false goldenaster · Asteraceae
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  Heterotheca villosa (Pursh) Shinners var. minor (Hook.) Semple Native HEVIM3

  hairy false goldenaster · Asteraceae
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  Heuchera chlorantha Piper Native HECH

  tall alumroot · Saxifragaceae
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  Heuchera glabra Willd. ex Roem. & Schult. Native HEGL5

  alpine heuchera · Saxifragaceae
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  Heuchera grossulariifolia Rydb. Native HEGR8

  gooseberryleaf alumroot · Saxifragaceae
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  Heuchera grossulariifolia Rydb. var. tenuifolia (Wheelock) C.L. Hitchc. Native HEGRT

  gooseberryleaf alumroot · Saxifragaceae
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  Heuchera micrantha Douglas ex Lindl. Native HEMI7

  crevice alumroot · Saxifragaceae
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  Heuchera micrantha Douglas ex Lindl. var. diversifolia (Rydb.) Rosend., Butters & Lakela Native HEMID2

  crevice alumroot · Saxifragaceae
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  Heuchera micrantha Douglas ex Lindl. var. micrantha Native HEMIM2

  crevice alumroot · Saxifragaceae
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  Hieracium albiflorum Hook. Native HIAL2

  white hawkweed · Asteraceae
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  Hieracium aurantiacum L. Introduced HIAU

  orange hawkweed · Asteraceae
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  Hieracium lachenalii C.C. Gmel. Introduced HILA8

  common hawkweed · Asteraceae
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  Hieracium longiberbe Howell Native HILO

  longbeard hawkweed · Asteraceae
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  Hieracium pilosella L. Introduced HIPI

  mouseear hawkweed · Asteraceae
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  Hieracium pilosella L. var. pilosella Introduced HIPIP

  mouseear hawkweed · Asteraceae
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  Hieracium scouleri Hook. Native HISC2

  Scouler's woollyweed · Asteraceae
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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
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  Hirschfeldia incana (L.) Lagr.-Foss. Introduced HIIN3

  shortpod mustard · Brassicaceae
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  Holcus lanatus L. Introduced HOLA

  common velvetgrass · Poaceae
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  Holodiscus discolor (Pursh) Maxim. Native HODI

  oceanspray · Rosaceae
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  Hordeum brachyantherum Nevski Native HOBR2

  meadow barley · Poaceae
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  Hordeum depressum (Scribn. & J.G. Sm.) Rydb. Native HODE2

  dwarf barley · Poaceae
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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 marinum Huds. Introduced HOMA2

  seaside barley · Poaceae
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  Hordeum marinum Huds. ssp. gussoneanum (Parl.) Thell. Introduced HOMAG

  Mediterranean barley · Poaceae
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  Hordeum murinum L. Introduced HOMU

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

  hare barley · Poaceae
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  Howellia aquatilis A. Gray Native HOAQ

  water howellia · Campanulaceae