Butte County

Showing 501–550 of 1,045.

• 
  Hedysarum boreale Nutt. Native HEBO

  Utah sweetvetch · Fabaceae
• 
  Hedysarum boreale Nutt. ssp. boreale Native HEBOB

  Utah sweetvetch · Fabaceae
• 
  Hedysarum boreale Nutt. ssp. boreale var. boreale Native HEBOB2

  Utah sweetvetch · Fabaceae
• 
  Helianthella uniflora (Nutt.) Torr. & A. Gray Native HEUN

  oneflower helianthella · Asteraceae
• 
  Helianthella uniflora (Nutt.) Torr. & A. Gray var. uniflora Native HEUNU

  oneflower helianthella · Asteraceae
• 
  Helianthus annuus L. Native HEAN3

  common sunflower · Asteraceae
• 
  Helianthus petiolaris Nutt. Native HEPE

  prairie sunflower · Asteraceae
• 
  Helianthus petiolaris Nutt. ssp. petiolaris Native HEPEP

  prairie sunflower · Asteraceae
• 
  Heracleum maximum W. Bartram Native HEMA80

  common cowparsnip · Apiaceae
• 
  Hesperostipa comata (Trin. & Rupr.) Barkworth Native HECO26

  needle and thread · Poaceae
• 
  Hesperostipa comata (Trin. & Rupr.) Barkworth ssp. comata Native HECOC8

  needle and thread · Poaceae
• 
  Hesperostipa comata (Trin. & Rupr.) Barkworth ssp. intermedia (Scribn. & Tweedy) Barkworth Native HECOI

  intermediate needle and thread · Poaceae
• 
  Heterotheca villosa (Pursh) Shinners Native HEVI4

  hairy false goldenaster · Asteraceae
• 
  Heterotheca villosa (Pursh) Shinners var. scabra (Eastw.) Semple Native HEVIS

  hairy false goldenaster · Asteraceae
• 
  Heuchera cylindrica Douglas ex Hook. Native HECY2

  roundleaf alumroot · Saxifragaceae
• 
  Heuchera cylindrica Douglas ex Hook. var. alpina Sw. Native HECYA

  alpine alumroot · Saxifragaceae
• 
  Heuchera parvifolia Nutt. ex Torr. & A. Gray Native HEPA11

  littleleaf alumroot · Saxifragaceae
• 
  Heuchera parvifolia Nutt. ex Torr. & A. Gray var. utahensis (Rydb.) Garrett Native HEPAU

  Utah alumroot · Saxifragaceae
• 
  Hieracium cynoglossoides Arv.-Touv. Native HICY

  houndstongue hawkweed · Asteraceae
• 
  Holodiscus dumosus (Nutt. ex Hook.) A. Heller Native HODU

  rockspirea · Rosaceae
• 
  Hordeum brachyantherum Nevski Native HOBR2

  meadow barley · Poaceae
• 
  Hordeum brachyantherum Nevski ssp. brachyantherum Native HOBRB2

  meadow barley · Poaceae
• 
  Hordeum jubatum L. Native HOJU

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

  foxtail barley · Poaceae
• 
  Hulsea algida A. Gray Native HUAL

  Pacific hulsea · Asteraceae
• 
  Hydrophyllum capitatum Douglas ex Benth. Native HYCA4

  ballhead waterleaf · Hydrophyllaceae
• 
  Hydrophyllum capitatum Douglas ex Benth. var. capitatum Native HYCAC

  ballhead waterleaf · Hydrophyllaceae
• 
  Hymenopappus filifolius Hook. Native HYFI

  fineleaf hymenopappus · Asteraceae
• 
  Hymenopappus filifolius Hook. var. idahoensis B.L. Turner Native HYFII

  Idaho hymenopappus · Asteraceae
• 
  Hyoscyamus niger L. Introduced HYNI

  black henbane · Solanaceae
• 
  Iliamna rivularis (Douglas ex Hook.) Greene Native ILRI

  streambank wild hollyhock · Malvaceae
• 
  Ionactis alpina (Nutt.) Greene Native IOAL

  Lava aster · Asteraceae
• 
  Ipomopsis aggregata (Pursh) V.E. Grant Native IPAG

  scarlet gilia · Polemoniaceae
• 
  Ipomopsis aggregata (Pursh) V.E. Grant ssp. aggregata Native IPAGA3

  scarlet gilia · Polemoniaceae
• 
  Ipomopsis congesta (Hook.) V.E. Grant Native IPCO5

  ballhead ipomopsis · Polemoniaceae
• 
  Ipomopsis congesta (Hook.) V.E. Grant ssp. congesta Native IPCOC3

  ballhead ipomopsis · Polemoniaceae
• 
  Ipomopsis congesta (Hook.) V.E. Grant ssp. palmifrons (Brand) Day Native IPCOP

  ballhead ipomopsis · Polemoniaceae
• 
  Ipomopsis polycladon (Torr.) V.E. Grant Native IPPO2

  manybranched ipomopsis · Polemoniaceae
• 
  Ipomopsis spicata (Nutt.) V.E. Grant Native IPSP

  spiked ipomopsis · Polemoniaceae
• 
  Ipomopsis spicata (Nutt.) V.E. Grant ssp. orchidacea (Brand) Wilken & R.L. Hartm. Native IPSPO2

  orchid ipomopsis · Polemoniaceae
• 
  Ipomopsis spicata (Nutt.) V.E. Grant ssp. orchidacea (Brand) Wilken & R.L. Hartm. var. orchidacea (Brand) Dorn Native IPSPO3

  orchid ipomopsis · Polemoniaceae
• 
  Iris missouriensis Nutt. Native IRMI

  Rocky Mountain iris · Iridaceae
• 
  Iva axillaris Pursh Native IVAX

  povertyweed · Asteraceae
• 
  Juncus arcticus Willd. Both JUAR2

  arctic rush · Juncaceae
• 
  Juncus arcticus Willd. ssp. littoralis (Engelm.) Hultén Native JUARL

  mountain rush · Juncaceae
• 
  Juncus ensifolius Wikstr. Native JUEN

  swordleaf rush · Juncaceae
• 
  Juncus longistylis Torr. Native JULO

  longstyle rush · Juncaceae
• 
  Juncus longistylis Torr. var. longistylis Native JULOL

  longstyle rush · Juncaceae
• 
  Juncus mertensianus Bong. Native JUME3

  Mertens' rush · Juncaceae
• 
  Juncus nodosus L. Native JUNO2

  knotted rush · Juncaceae