San Diego County

Showing 1,351–1,400 of 2,943.

• 
  Hesperocnide tenella Torr. Native HETE5

  western stingingnettle · Urticaceae
• 
  Hesperocyparis arizonica (Greene) Bartel Native HEAR22

  Arizona cypress · Cupressaceae
• 
  Hesperocyparis forbesii (Jeps.) Bartel Native HEFO10

  tecate cypress · Cupressaceae
• 
  Hesperocyparis stephensonii (C.B. Wolf) Bartel Native HEST10

  Cuyamaca cypress · Cupressaceae
• 
  Hesperolinon micranthum (A. Gray) Small Native HEMI9

  smallflower dwarf-flax · Linaceae
• 
  Hesperoyucca whipplei (Torr.) Baker Native HEWH

  chaparral yucca · Agavaceae
• 
  Heterocodon rariflorum Nutt. Native HERA3

  rareflower heterocodon · Campanulaceae
• 
  Heterodraba unilateralis (M.E. Jones) Greene Native HEUN3

  ladiestongue mustard · Brassicaceae
• 
  Heteromeles arbutifolia (Lindl.) M. Roem. Native HEAR5

  toyon · Rosaceae
• 
  Heteromeles arbutifolia (Lindl.) M. Roem. var. arbutifolia Native HEARA2

  toyon · Rosaceae
• 
  Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult. Native HECO10

  tanglehead · Poaceae
• 
  Heterotheca grandiflora Nutt. Native HEGR7

  telegraphweed · Asteraceae
• 
  Heterotheca sessiliflora (Nutt.) Shinners Native HESE

  sessileflower false goldenaster · Asteraceae
• 
  Heterotheca sessiliflora (Nutt.) Shinners ssp. echioides (Benth.) Semple Native HESEE2

  sessileflower false goldenaster · Asteraceae
• 
  Heterotheca sessiliflora (Nutt.) Shinners ssp. fastigiata (Greene) Semple Native HESEF2

  sessileflower false goldenaster · Asteraceae
• 
  Heterotheca sessiliflora (Nutt.) Shinners ssp. sessiliflora Native HESES2

  sessileflower false goldenaster · Asteraceae
• 
  Heuchera brevistaminea Wiggins Native HEBR3

  Laguna Mountain alumroot · Saxifragaceae
• 
  Heuchera rubescens Torr. Native HERU

  pink alumroot · Saxifragaceae
• 
  Heuchera rubescens Torr. var. versicolor (Greene) M.G. Stewart Native HERUV

  pink alumroot · Saxifragaceae
• 
  Hibiscus denudatus Benth. Native HIDE

  paleface · Malvaceae
• 
  Hieracium albiflorum Hook. Native HIAL2

  white hawkweed · Asteraceae
• 
  Hieracium argutum Nutt. Native HIAR2

  southern hawkweed · Asteraceae
• 
  Hirschfeldia incana (L.) Lagr.-Foss. Introduced HIIN3

  shortpod mustard · Brassicaceae
• 
  Hoffmannseggia glauca (Ortega) Eifert Native HOGL2

  Indian rushpea · Fabaceae
• 
  Hoffmannseggia microphylla Torr. Native HOMI5

  wand holdback · Fabaceae
• 
  Hoita macrostachya (DC.) Rydb. Native HOMA4

  large leather-root · Fabaceae
• 
  Hoita orbicularis (Lindl.) Rydb. Native HOOR

  roundleaf leather-root · Fabaceae
• 
  Holcus lanatus L. Introduced HOLA

  common velvetgrass · Poaceae
• 
  Holocarpha virgata (A. Gray) D.D. Keck Native HOVI

  yellowflower tarweed · Asteraceae
• 
  Holocarpha virgata (A. Gray) D.D. Keck ssp. elongata D.D. Keck Native HOVIE

  wand tarbush · Asteraceae
• 
  Holodiscus discolor (Pursh) Maxim. Native HODI

  oceanspray · Rosaceae
• 
  Hordeum brachyantherum Nevski Native HOBR2

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

  meadow barley · Poaceae
• 
  Hordeum brachyantherum Nevski ssp. californicum (Covas & Stebbins) Bothmer, N. Jacobsen & Seberg Native HOBRC2

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

  dwarf barley · Poaceae
• 
  Hordeum intercedens Nevski Native HOIN2

  bobtail barley · Poaceae
• 
  Hordeum jubatum L. Native HOJU

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

  foxtail barley · Poaceae
• 
  Hordeum marinum Huds. Introduced HOMA2

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

  Mediterranean barley · Poaceae
• 
  Hordeum murinum L. Introduced HOMU

  mouse barley · Poaceae
• 
  Hordeum murinum L. ssp. glaucum (Steud.) Tzvelev Introduced HOMUG

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

  hare barley · Poaceae
• 
  Hordeum pusillum Nutt. Native HOPU

  little barley · Poaceae
• 
  Hordeum vulgare L. Introduced HOVU

  common barley · Poaceae
• 
  Horkelia clevelandii (Greene) Rydb. Native HOCL

  Cleveland's horkelia · Rosaceae
• 
  Horkelia cuneata Lindl. Native HOCU

  wedgeleaf horkelia · Rosaceae
• 
  Horkelia cuneata Lindl. ssp. cuneata Native HOCUC

  wedgeleaf horkelia · Rosaceae
• 
  Horkelia cuneata Lindl. ssp. puberula (Greene) D.D. Keck Native HOCUP

  wedgeleaf horkelia · Rosaceae
• 
  Horkelia truncata Rydb. Native HOTR2

  Ramona horkelia · Rosaceae