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Delphinium trolliifolium is a species of larkspur known by the common names poison delphinium, cow poison, and Columbian larkspur. It is native to Washington...

recurvatum Delphinium robustum Delphinium scopulorum Delphinium stachydeum Delphinium tricorne Delphinium trolliifolium Delphinium uliginosum Delphinium umbraculorum...

of Delphinium include: Reassigned: Delphinium staphisagria = Staphisagria staphisagria Delphinium accessions in GRIN. accessed 2020-07-31 "Delphinium"....

wing from June to July. The larvae have only been recorded on Delphinium trolliifolium. Covell and Medley (1986) reported adults trapped in the labellum...

for several plants and may refer to: Delphinium nuttallii, native to Washington and Oregon Delphinium trolliifolium, native to Washington, Oregon, and northern...

and blue upper petals. It is likely a hybrid between Delphinium menziesii and D. trolliifolium. It grows up to 90 centimeters tall from a network of...