Iberian Starthistle | Centaurea ibericaBiennial, plant is light green in color. Leaves are narrow and elongated segments. Flowers are lavender to deep purple atop stems.
King Devil Hawkweed | Hieracium piloselloidesPerennial; small, narrow, long leaves with tiny hairs that are almost exclusively basal; bright yellow flowers 0.5” wide.
Knotweeds | Polygonum cuspidatum, Polygonum x bohemicum, Polygonum sachalinensePerennial; small, white to green flowers in drooping clusters from leaf axils. Reddish brown and hollow stems. Leaves broad and ovate.
Leafy Spurge | Euphorbia esulaPerennial; milky white sap. Alternate, linear to oblong leaves. Small flowers with bright yellow-green petal-like bracts.
Lesser Celandine | Ficaria verna (formerly Ranunculus ficaria)Perennial; kidney to heart shaped leaves. Yellow flowers with 8-12 glossy petals. Pale colored bulblets at stem bases. Forms a continuous green carpet with yellow dots that are the flowers.
Meadow Hawkweed | Hieracium pratensePerennial; leaves are hairy on both sides, up to 6 inches long, and mostly laying flat on the ground. Stems, leaves, and bracts have dense blackish hairs and milky sap. Small bright yellow flowers in clusters at the top of stems.
Meadow Knapweed | Centaurea pratensisOne to several stems extending from a woody root. Lower leaves have long stalks, upper leaves have no stalks. Rosette leaves have prominent white mid-veins; all leaves are hairy. Bright pink to purple flowers with papery, fringed bracts.
Mouse Ear Hawkweed | Hieracium pilosellaPerennial; entire plant (except flower) covered in tiny hairs, usually whitish to reddish hairs on the stem. Leaves have a white vein down the middle. Bright yellow flowers about 1” in size.
Oblong or Eggleaf Spurge | Euphorbia oblongataPerennial; stems covered with fine white hairs. Leaves oblong with finely toothed edges. Flowers are clustered, light green/yellow in color. Milky sap may cause irritation.
Orange Hawkweed | Hieracium aurantiacumPerennial, branches at the top to produce orange-red flowers. Stems are covered with hairs, usually do not have leaves, and contain a milky juice. Simple leaves are basal, aproximately 4.5” in length. Leaves are also covered in hairs.
Oxeye Daisy | Leucanthemum vulgarePerennial; leaves are alternate, lobed, and have toothed margins with less and shorter leaved as you go up the plant stem. Flowers are 3-7cm in diameter on a solitary stalk with white petals and bright yellow centers.