The water arum, or wild calla, is semi-aquatic plant typically with a large white bract and large leaves. It is mostly poisonous and can be dangerous to pets when planted...
The western columbine is a plant with a showy red and yellow flower found in moist soils in the western United States and Canada.
The woolly geranium (or northern geranium, cranesbill) is a tall purple-flowered perennial native to Alaska, parts of Canada, and Asia. Photos and identification info.
Mountain harebell is a small, flowering alpine plant typically 5-15 cm (2-6 in) tall. The flower is a solitary violet upright bell about 2.5-4 cm (1-1.5 inches) long.
The arctic daisy (Chrysanthemum arcticum) is a 10-45 cm (4-18 in) tall perennial herb with white ray florets and yellow disk florets.
The western arctic shootingstar (sometimes frigid shootingstar) has a magenta or pink flower, shaped like a dart. Identification info and story around the name.
Norwegian cinquefoil is a widely distributed annual or perennial in the Rose family with ternate, serrated leaves and small yellow flowers.
Monkshood is a highly toxic plant with purple flowers, resembling larkspur with a purple hood over the top of the flower.
Siberian aster is a purple, daisy-like flower found across the circumboreal subarctic including Alaska. The flower is composed of light 12-50 light purple ray florets.
Mountain avens are an 8-petaled white flower frequently found in alpine environments distributed across the arctic and northwestern United States and Canada.