List of Canadian Plants By Genus - Am

Am

• Amaranthus
  • X Amaranthus albus — white tumbleweed, tumble pigweed, tumbleweed amaranth
  • X Amaranthus blitoides — prostrate amaranth, prostrate pigweed, matweed
  • X Amaranthus blitum — purple amaranth
  • X Amaranthus cruentus — blood amaranth, purple amaranth, red amaranth, caterpillar amaranth, African spinach
  • X Amaranthus hybridus — smooth amaranth, hybrid amaranth, green pigweed, smooth pigweed, green amaranth
  • X Amaranthus palmeri — Palmer's amaranth
  • X Amaranthus powellii — green amaranth, Powell's smooth amaranth
  • X Amaranthus retroflexus — redroot amaranth, redroot pigweed, wild-beet amaranth, rough pigweed
  • X Amaranthus spinosus — spiny amaranth
  • N Amaranthus tuberculatus — roughfruit amaranth, roughfruit waterhemp, tall waterhemp, tall pigweed

• Ambrosia
  • N Ambrosia artemisiifolia — common ragweed, annual ragweed, annual bur-sage
  • N Ambrosia psilostachya — perennial ragweed, western ragweed, naked-spike ambrosia, Cuman ragweed
  • N Ambrosia trifida — giant ragweed, great ragweed, buffalo-weed, skeleton-leaf bur-sage

• Amelanchier
  • N Amelanchier alnifolia — Saskatoonberry, northwestern serviceberry
  • N Amelanchier arborea — downy serviceberry, downy juneberry, common serviceberry
  • N Amelanchier bartramiana — mountain juneberry, Bartram's shadbush, Bartram's chuckleypear
  • N Amelanchier canadensis — Canada serviceberry, swamp shadbush, thicket serviceberry
  • N Amelanchier humilis — low serviceberry, running serviceberry
  • N Amelanchier laevis — smooth juneberry, Allegheny serviceberry, smooth chuckleypear
  • N Amelanchier sanguinea var. gaspensis — Gaspé roundleaf juneberry
  • N Amelanchier sanguinea var. sanguinea — roundleaf juneberry, roundleaf serviceberry, Fernald's chuckleypear
  • N Amelanchier stolonifera — running serviceberry, running juneberry, running chuckleypear
  • N Amelanchier × intermedia (A. arborea × A. canadensis) — swamp sugarpear
  • N Amelanchier × neglecta (A. bartramiana × A. laevis) — hybrid juneberry
  • N Amelanchier × quinti-martii (A. arborea × A. bartramiana) — Quint-mart's serviceberry
  • N Amelanchier × wiegandii (A. arborea × A. sanguinea) — Wiegand's serviceberry

• Amerorchis
  • N Amerorchis rotundifolia — small roundleaf orchis, oneleaf orchid

• Ammannia
  • N Ammannia robusta — scarlet ammannia Endangered

• Ammophila
  • N Ammophila breviligulata — American beachgrass

• Amorpha
  • N Amorpha canescens — leadplant, downy indigobush
  • N Amorpha fruticosa — false indigo

• Amphicarpaea
  • N Amphicarpaea bracteata — American hog-peanut