Spalding's Catchfly

Spalding's Catchfly (Silene spaldingii), also known as Spalding's Silene, is currently listed as threatened under the Endangered Species Act. It is a native, perennial forb that is primarily found on Palouse Prairies and their adjacent areas in Washington, Oregon, Idaho, and Montana. It is in decline for many reasons including agricultural and urban development, grazing and trampling, herbicide treatment, and competition from non-native plants. Its stem is woolly and viscid (sticky or greasy). Its leaves are opposite, oblanceolate below and lanceolate above. Leaves are 6-7 cm long and sessile (attached directly to the stem).

Height: 8" to 24"

Solar Exposure: Part-shade to full-sun

Bloom Color: Pale-white flowers have a tubular calyx

Bloom Time: Mid-July through August

USDA PLANTS Database Link

https://plants.usda.gov/plantguide/pdf/pg_sisp2.pdf

MacKenzie Willow

MacKenzie Willow (Salix rigida, Salix prolixa), is also sometimes known as Diamond Willow, or Yellow Willow. It is often used in wetland restoration and is important habitat, cover, browsing, and food for wildlife. Beavers prefer to eat willows for food and use them for building material. MacKenzie Willow grows best in fine textured soils with moderate to high levels of water. Bark is light to reddish-brown, glabrous, and sometimes with sparkling wax crystals. The leaves are 1.5 to 5 inches, lanceolate to elliptic, green above, pale and glaucous below, often with finely toothed margins. Fun fact, there are 12 different varieties of MacKenzie Willow!

Height: Up to 30 feet

Bud: Catkins appear with new leaves

Flower Color: White, cream, or yellow

Bloom Time: Spring through early Summer

USDA PLANTS Database Link

https://plants.usda.gov/plantguide/pdf/pg_sapr3.pdf

Fatty Fingers Cinquefoil

Fatty Fingers Cinquefoil (Potentilla gracilis var. permollis), is a native perennial forb that grows more commonly in Eastern Latah County, where as the Slender Cinquefoil is more common in Western Latah County. Fatty Fingers stems are branched at the base, and the leaves are palmately compound in 7-9 segments. The leaves of Fatty Fingers are less deeply serrated than that of the Slender Cinquefoil. Both Slender and Fatty Fingers Cinquefoil leaves have a white underside compared to the invasive Sulfur Cinquefoil which does not.

Life Cycle: Perennial

Bloom Color: Yellow

Bloom Time: June through September

USDA PLANTS Database Link

https://plants.usda.gov/core/profile?symbol=POGRF2