Pygmyweed, Water Pygmyweed, Water Pygmy Weed: Crassula aquatica (Synonyms: Crassula saginoides, Hydrophila vaillantii, Tillaea angustifolia var. bolanderi, Tillaea aquatica, Tillaea bolanderi, Tillaea drummondii var. bolanderi, Tillaea vaillantii, Tillaeastrum aquaticum, Tillaeastrum pringlei, Tillaeastrum vaillantii) - Small annuals from 1-5 cm high with opposite, fleshy leaves living in shallow water or the mud of drying ponds. The floral parts are each 4 in number.
Roseroot, Ledge Stonecrop, King's Crown: Sedum rosea ssp. integrifolium (Synonyms: Rhodiola integrifolia, Rhodiola integrifolia ssp. integrifolia, Sedum integrifolium, Sedum integrifolium ssp. integrifolium, Sedum rosea, Sedum roseum, Sedum roseum var. integrifolium) - Small annuals higher than 5 cm with 4 sepals and 4 petals. Flowers deep pink to reddish purple. Succulent leaves are opposite.
White Stonecrop: Sedum album - Found west of the Cascade Mts. but records indicate it may also be found in the Wallowa Mts.
Weak-stemmed Stonecrop, Great Basin Stonecrop: Sedum debile (Synonym: Gormania debilis) - Small annuals higher than 5 cm with the floral parts each 5 in number. Flowers yellow. Leaves persistent and opposite on the stems, oval to obovate in shape and widest above the base.
Cascade Stonecrop, Pacific Stonecrop, Spreading Stonecrop: Sedum divergens (Synonym: Amerosedum divergens) - A Cascades species, it may be found on high places on the east slope of the Washington Cascades as well as in central Washington and above the White River near Tygh Valley, OR.
Lance-leaved Stonecrop, Spearleaf Stonecrop: Sedum lanceolatum (Synonyms: Sedum lanceolatum var. lanceolatum, Sedum lanceolatum ssp. lanceolatum, Sedum lanceolatum var. nesioticum, Sedum lanceolatum ssp. nesioticum, Sedum lanceolatum var. rupicolum, Sedum rupicolum) - Small annuals higher than 5 cm with the floral parts each 5 in number. Flowers yellow, often with a reddish stripe up the middle of the outer surface (See photo above.). Stem leaves alternate on the stems and often persisting at flower time. The leaves are oval or rounded in cross-section, widest above the base, and often ascending or pressed upwards against the stem.
Leiberg's Stonecrop: Sedum leibergii (Synonyms: Amerosedum leibergii, Sedum borschii, Sedum divaricatum) - Small annuals higher than 5 cm with the floral parts each 5 in number. Flowers yellow. Sepals less than 1.5 mm long. Leaves oval to spatualte and covered with glands.
Oregon Stonecrop: Sedum oreganum (Synonym: Sedum oreganum ssp. oreganum) ?? - A species of the Cascade Mts., it may also be found on the east slopes of the Cascades.
Creamy Stonecrop: Sedum oregonense - A species of the Cascade Mts., it may also be found on the east slopes of the Cascades as well as near the Deschutes River in Deschutes County and Wasco County in Oregon.
Worm-leaf Stonecrop: Sedum stenopetalum ssp. stenopetalum (Synonyms: Sedum douglasii var. douglasii, Sedum stenopetalum ssp. monanthum) - Small annuals higher than 5 cm with the floral parts each 5 in number. Flowers yellow. Stem leaves alternate on the stems often withering by flowering time. The leaves are triangular in cross-section with the keel oriented downward, widest at the base and tapering gradually to the tip.