Alameda County

Showing 101–150 of 1,856.

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  Angelica californica Jeps. Native ANCA32

  California angelica · Apiaceae
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  Angelica tomentosa S. Watson Native ANTO

  woolly angelica · Apiaceae
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  Anthemis cotula L. Introduced ANCO2

  stinking chamomile · Asteraceae
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  Anthemis tinctoria L. Introduced ANTI

  golden chamomile · Asteraceae
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  Anthoxanthum odoratum L. Introduced ANOD

  sweet vernalgrass · Poaceae
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  Anthoxanthum odoratum L. ssp. odoratum Introduced ANODO2

  sweet vernalgrass · Poaceae
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  Anthriscus caucalis M. Bieb. Introduced ANCA14

  bur chervil · Apiaceae
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  Antirrhinum majus L. Introduced ANMA3

  garden snapdragon · Scrophulariaceae
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  Aphanes arvensis L. Introduced APAR2

  field parsley piert · Rosaceae
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  Apiastrum angustifolium Nutt. Native APAN

  mock parsley · Apiaceae
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  Apium graveolens L. Introduced APGR2

  wild celery · Apiaceae
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  Apium graveolens L. var. dulce (Mill.) DC. Introduced APGRD

  wild celery · Apiaceae
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  Apocynum androsaemifolium L. Native APAN2

  spreading dogbane · Apocynaceae
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  Aquilegia eximia Van Houtte ex Planch. Native AQEX

  Van Houtte's columbine · Ranunculaceae
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  Aquilegia formosa Fisch. ex DC. Native AQFO

  western columbine · Ranunculaceae
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  Arabidopsis thaliana (L.) Heynh. Introduced ARTH

  mouseear cress · Brassicaceae
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  Arabis glabra (L.) Bernh. Native ARGL

  tower rockcress · Brassicaceae
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  Aralia californica S. Watson Native ARCA2

  California spikenard · Araliaceae
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  Araujia sericifera Brot. Introduced ARSE8

  white bladderflower · Asclepiadaceae
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  Arbutus menziesii Pursh Native ARME

  Pacific madrone · Ericaceae
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  Arceuthobium littorum Hawksw., Wiens & Nickrent Native ARLI12

  coastal dwarf mistletoe · Viscaceae
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  Arctium lappa L. Introduced ARLA3

  greater burdock · Asteraceae
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  Arctostaphylos glauca Lindl. Native ARGL4

  bigberry manzanita · Ericaceae
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  Arctostaphylos manzanita Parry Native ARMA

  whiteleaf manzanita · Ericaceae
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  Arctostaphylos manzanita Parry ssp. manzanita Native ARMAM2

  whiteleaf manzanita · Ericaceae
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  Arctostaphylos pallida Eastw. Native ARPA21

  Alameda manzanita · Ericaceae
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  Arctostaphylos tomentosa (Pursh) Lindl. Native ARTO2

  woollyleaf manzanita · Ericaceae
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  Arctostaphylos tomentosa (Pursh) Lindl. ssp. crustacea (Eastw.) P.V. Wells Native ARTOC3

  brittleleaf manzanita · Ericaceae
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  Arctostaphylos tomentosa (Pursh) Lindl. ssp. rosei (Eastw.) P.V. Wells Native ARTOR

  rosy manzanita · Ericaceae
• ⚘
  Arctostaphylos ×cinerea Howell (pro sp.) [canescens × viscida] Native ARCI

  Waldo manzanita · Ericaceae
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  Argyranthemum foeniculum (Willd.) Sch. Bip. Introduced ARFO7

  dill daisy · Asteraceae
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  Aristotelia chilensis (Molina) Stuntz Introduced ARCH17

  maquei · Elaeocarpaceae
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  Armeria maritima (Mill.) Willd. Native ARMA6

  thrift seapink · Plumbaginaceae
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  Armeria maritima (Mill.) Willd. ssp. californica (Boiss.) A.E. Porsild Native ARMAC2

  California seapink · Plumbaginaceae
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  Arnica discoidea Benth. Native ARDI6

  rayless arnica · Asteraceae
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  Artemisia annua L. Introduced ARAN3

  sweet sagewort · Asteraceae
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  Artemisia biennis Willd. Both ARBI2

  biennial wormwood · Asteraceae
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  Artemisia biennis Willd. var. biennis Introduced ARBIB

  biennial wormwood · Asteraceae
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  Artemisia californica Less. Native ARCA11

  coastal sagebrush · Asteraceae
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  Artemisia douglasiana Besser Native ARDO3

  Douglas' sagewort · Asteraceae
• 
  Artemisia dracunculus L. Native ARDR4

  tarragon · Asteraceae
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  Artemisia pycnocephala (Less.) DC. Native ARPY3

  beach wormwood · Asteraceae
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  Arthrocnemum subterminale (Parish) Standl. Native ARSU11

  Parish's glasswort · Chenopodiaceae
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  Arum italicum Mill. Introduced ARIT

  Italian lords and ladies · Araceae
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  Arundo donax L. Introduced ARDO4

  giant reed · Poaceae
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  Asclepias californica Greene Native ASCA3

  California milkweed · Asclepiadaceae
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  Asclepias californica Greene ssp. greenei Woodson Native ASCAG

  Greene's milkweed · Asclepiadaceae
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  Asclepias fascicularis Decne. Native ASFA

  Mexican whorled milkweed · Asclepiadaceae
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  Asclepias vestita Hook. & Arn. Native ASVE2

  woolly milkweed · Asclepiadaceae
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  Asclepias vestita Hook. & Arn. ssp. parishii (Jeps.) Woodson Native ASVEP

  Parish's woolly milkweed · Asclepiadaceae