Papilio glaucus, the Eastern tiger swallowtail, a butterfly species native to North America
Scylla et Glaucus | Papilio glaucus | The sea slug ''Glaucus atlanticus | Glaucus atlanticus | Erigeron glaucus | Elymus glaucus |
Elymus glaucus, the blue wild rye, a wild rye species native to North America from Alaska to New York to northern Mexico
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Erigeron glaucus, the seaside fleabane, beach aster or seaside daisy, a flowering plant species native to the coastline of Oregon and California
A Senecio and a diploid, Senecio vernalis is part of a species group along with S. flavus, S. gallicus, S. squalidus and S. glaucus who are widespread geographically and interesting for the study of genecology (the study of genetic differences in relation to the environment) and plant evolution.