List of Canadian Plants By Genus - As

As

• Asarum
  • N Asarum canadense — Canada wild ginger

• Asclepias
  • N Asclepias exaltata — poke milkweed, tall milkweed, four-leaved milkweed
  • N Asclepias hirtella — tall green milkweed
  • N Asclepias incarnata — swamp milkweed
  • N Asclepias ovalifolia — oval-leaf milkweed, dwarf milkweed
  • N Asclepias purpurascens — purple milkweed
  • N Asclepias quadrifolia — four-leaved milkweed
  • N Asclepias sullivantii — Sullivant's milkweed
  • N Asclepias syriaca — common milkweed, silkweed, silky swallow-wort
  • N Asclepias tuberosa — butterfly weed, orange milkweed, pleurisy root, chigger flower
  • ? Asclepias variegata — white milkweed
  • N Asclepias verticillata — whorled milkweed
  • N Asclepias viridiflora — green milkweed, green comet milkweed, short green milkweed

• Asimina
  • N Asimina triloba — common pawpaw

• Asparagus
  • X Asparagus officinalis — garden asparagus, asparagus-fern

• Asperugo
  • X Asperugo procumbens — German madwort, catchweed

• Asperula
  • X Asperula arvensis — blue woodruff

• Asplenium
  • N Asplenium platyneuron — ebony spleenwort
  • N Asplenium rhizophyllum — walking fern
  • N Asplenium ruta-muraria — wall-rue
  • N Asplenium scolopendrium var. americanum — American Hart's-tongue fern Special Concern
  • N Asplenium trichomanes — maidenhair spleenwort
  • N Asplenium viride — green spleenwort

• Aster
  • N Aster alpinus — alpine aster

• Astragalus
  • N Astragalus adsurgens — ascending milkvetch, rattle milkvetch, standing milkvetch
  • N Astragalus agrestis — field milkvetch, mile-vetch, cock's-head
  • N Astragalus alpinus — alpine milkvetch
  • N Astragalus americanus — American milkvetch
  • N Astragalus australis — Indian milkvetch
  • N Astragalus canadensis — Canada milkvetch, Carolina milkvetch
  • X Astragalus cicer — chickpea milkvetch
  • N Astragalus eucosmus — elegant milkvetch, pretty milkvetch
  • X Astragalus glycophyllos — wild liquorice
  • N Astragalus neglectus — Cooper's milkvetch
  • N Astragalus tenellus — pulse milkvetch, loose-flower milkvetch