Systoechus vulgaris Loew 1863

visit flowers of

• Global Biotic Interactions: Rhinotropis rimulicola (Steyerm.) J. R. Abbott (Steyermark's milkwort)
• Global Biotic Interactions: Cirsium crassicaule (Greene) Jepson (Slough Thistle)
• Global Biotic Interactions: Erigeron speciosus (Lindl.) DC. (aspen fleabane)
• Global Biotic Interactions: Echinacea angustifolia DC. (blacksamson echinacea)
• Global Biotic Interactions: Asclepias uncialis subsp. ruthiae (Maguire) J. T. Kartesz & K. N. Gandhi (Ruth's milkweed)
• Global Biotic Interactions: Potentilla gracilis Dougl. (slender cinquefoil)
• Global Biotic Interactions: Trifolium buckwestiorum Isely (Santa Cruz clover)
• Global Biotic Interactions: Gaillardia aristata Pursh (Common perennial gaillardia)
• Global Biotic Interactions: Eryngium pendletonense K. L. Marsden & M. G. Simpson (Pendleton's eryngo)
• Global Biotic Interactions: Trifolium variegatum Torr. & A. Gray (whitetip clover)
• Global Biotic Interactions: Campanula rotundifolia L. (American Harebell)
• Global Biotic Interactions: Crepis atribarba A. A. Heller (slender hawksbeard)
• Global Biotic Interactions: Symphyotrichum lentum (Greene) G. L. Nesom (Suisun Marsh aster)
• Global Biotic Interactions: Symphyotrichum ascendens (Lindl.) G. L. Nesom (western aster)
• Global Biotic Interactions: Packera cana (Hook.) W. A. Weber & Á. Löve (woolly groundsel)
• Global Biotic Interactions: Centaurea stoebe L. (spotted knapweed)
• Global Biotic Interactions: Rudbeckia scabrifolia L. E. Brown (roughleaf coneflower)
• Global Biotic Interactions: Liatris cymosa (Nessel) Schumann (branched blazing star)