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- sectionPenstemon sect. Saccanthera Show Lower Taxa Penstemon azureus, Penstemon caesius, Penstemon cusickii, Penstemon diphyllus, Penstemon filiformis, Penstemon12 KB (536 words) - 20:32, 5 November 2020
- another. Rubus caesius generally has broader middle primocane leaflets than R. ursinus, but that is not a consistent difference. Rubus caesius may have been5 KB (491 words) - 23:56, 5 November 2020
- allegheniensis, Rubus arcticus, Rubus bartonianus, Rubus bifrons, Rubus caesius, Rubus canadensis, Rubus chamaemorus, Rubus cuneifolius, Rubus deliciosus28 KB (2,139 words) - 22:34, 14 December 2021
- woodland or wreath goldenrod verge d’or bleuâtre Endemic Synonyms: Aster caesius (Linnaeus) Kuntze Treatment appears in FNA Volume 20. Treatment on page4 KB (395 words) - 19:20, 6 November 2020
- subgenusPenstemon subg. Penstemon sectionPenstemon sect. Saccanthera speciesPenstemon caesius A. Gray Proc. Amer. Acad. Arts 19: 92. 1883. (as Pentstemon) Craig C. Freeman3 KB (339 words) - 20:32, 5 November 2020
- bogs in New Jersey (G. Moore, pers. obs.). The superficially similar R. caesius differs from R. hispidus in its pruinose stems, deciduous and non-lustrous7 KB (692 words) - 23:57, 5 November 2020
- trifoliate-leaved forms of R. ursinus are vegetatively nearly identical to R. caesius. Of agricultural significance, R. ursinus is a parent of some important7 KB (675 words) - 23:59, 5 November 2020
- fruits and stems and is similar in general appearance to the introduced R. caesius. Rubus vagus L. H. Bailey is an illegitimate later homonym that applies17 KB (1,392 words) - 23:57, 5 November 2020