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- integrifolium, Silphium laciniatum, Silphium mohrii, Silphium perfoliatum, Silphium radula, Silphium terebinthinaceum, Silphium wasiotense Linnaeus Sp. Pl. 2: 9197 KB (387 words) - 21:10, 5 November 2020
- Helianthus porteri, Helianthus praecox, Helianthus pumilus, Helianthus radula, Helianthus resinosus, Helianthus salicifolius, Helianthus schweinitzii28 KB (884 words) - 21:11, 5 November 2020
- Lower Taxa Solidago mollis, Solidago nana, Solidago nemoralis, Solidago radula, Solidago velutina (Mackenzie) G. L. Nesom Phytologia 75: 8. 1993. John4 KB (199 words) - 21:02, 5 November 2020
- Ecliptinae genusSilphium speciesSilphium radula Show Lower Taxa Silphium radula var. gracile, Silphium radula var. radula Nuttall Trans. Amer. Philos. Soc.,3 KB (206 words) - 19:22, 6 November 2020
- macrophylla, Eurybia merita, Eurybia mirabilis, Eurybia paludosa, Eurybia radula, Eurybia radulina, Eurybia saxicastelli, Eurybia schreberi, Eurybia sibirica15 KB (789 words) - 21:06, 5 November 2020
- Silphium radula var. radula (category Silphium radula)Heliantheae) subtribe Ecliptinae genusSilphium speciesSilphium radula varietySilphium radula var. radula Jennifer A. Clevinger Endemic Synonyms: Silphium reverchonii Bush2 KB (120 words) - 21:10, 5 November 2020
- Silphium radula var. gracile (category Silphium radula)Heliantheae) subtribe Ecliptinae genusSilphium speciesSilphium radula varietySilphium radula var. gracile (A. Gray) J. A. Clevinger Novon 14: 277. 2004. Jennifer2 KB (137 words) - 21:10, 5 November 2020
- (tribe Heliantheae) subtribe Helianthinae genusHelianthus speciesHelianthus radula (Pursh) Torrey & A. Gray Fl. N. Amer. 2: 321. 1842. Edward E. Schilling3 KB (277 words) - 21:11, 5 November 2020
- pendula Small Solidago radula var. laeta (Greene) Fernald Solidago radula var. rotundifolia (de Candolle) A. Gray Solidago radula var. stenolepis Fernald5 KB (384 words) - 21:02, 5 November 2020
- speciesEurybia radula (Aiton) G. L. Nesom Phytologia 77: 261. 1995. Luc Brouillet Common names: Low rough aster aster rude Endemic Basionym: Aster radula Aiton6 KB (632 words) - 21:06, 5 November 2020
- Silphium perfoliatum var. perfoliatum Silphium radula Silphium radula var. gracile Silphium radula var. radula Silphium terebinthinaceum Silphium terebinthinaceum135 bytes (97 words) - 20:46, 5 November 2020
- Tenn., Tex., Va. The name Silphium asperrimum has been misapplied to S. radula. Based upon examination of a photograph of the type and of the original3 KB (200 words) - 21:10, 5 November 2020
- northeastern North America and occasional confusion with other taxa (e.g., Eurybia radula), the hybrid O. ×blakei also is described below. Brouillet, L. and J.-P8 KB (637 words) - 21:00, 5 November 2020
- parent is found today. Some reports of this hybrid are misidentified Eurybia radula, which it superficially resembles. None. None. window.propertiesFromHig4 KB (442 words) - 21:00, 5 November 2020
- more sparsely strigose leaves that are similar in appearance to those of S. radula but are not scabrous have been treated as var. angustata Shinners. Those5 KB (471 words) - 21:02, 5 November 2020
- 295 bytes (0 words) - 22:43, 13 August 2020
- This is the category page for Silphium radula. For the treatment page see Silphium radula. Silphium radula is a subcategory of Silphium.2 members (0 subcategories, 0 files) - 20:41, 5 November 2020
File:V21-183-distribution-map.gif Distribution map for taxon silphium radula var. radula(630 × 651 (32 KB)) - 19:41, 27 July 2019File:V20-353-distribution-map.gif Distribution map for taxon solidago radula(630 × 651 (32 KB)) - 19:36, 27 July 2019File:V21-369-distribution-map.gif Distribution map for taxon helianthus radula(630 × 651 (32 KB)) - 19:38, 27 July 2019