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| Property / distribution |
| + | w North America |
| Property / distribution: w North America / rank |
| + | Normal rank |
| Property / distribution: w North America / reference |
| + | |
| Property / distribution |
| + | nw Mexico |
| Property / distribution: nw Mexico / rank |
| + | Normal rank |
| Property / distribution: nw Mexico / reference |
| + | |
| Property / taxon description fragment |
| + | Leaves usually pinnately lobed or pinnatifid, sometimes entire. |
| Property / taxon description fragment: Leaves usually pinnately lobed or pinnatifid, sometimes entire. / rank |
| + | Normal rank |
| Property / taxon description fragment: Leaves usually pinnately lobed or pinnatifid, sometimes entire. / reference |
| + | |
| Property / taxon description fragment |
| + | Involucres hemispheric to obconic. |
| Property / taxon description fragment: Involucres hemispheric to obconic. / rank |
| + | Normal rank |
| Property / taxon description fragment: Involucres hemispheric to obconic. / reference |
| + | |
| Property / taxon description fragment |
| + | Phyllaries falling with cypselae, distinct. |
| Property / taxon description fragment: Phyllaries falling with cypselae, distinct. / rank |
| + | Normal rank |
| Property / taxon description fragment: Phyllaries falling with cypselae, distinct. / reference |
| + | |
| Property / taxon description fragment |
| + | Receptacles conic, smooth, muricate, or pitted, glabrous or hairy. |
| Property / taxon description fragment: Receptacles conic, smooth, muricate, or pitted, glabrous or hairy. / rank |
| + | Normal rank |
| Property / taxon description fragment: Receptacles conic, smooth, muricate, or pitted, glabrous or hairy. / reference |
| + | |
| Property / taxon description fragment |
| + | Ray corollas yellow, laminae 1–10 mm, floral pigments remaining yellow in dilute aqueous alkali. |
| Property / taxon description fragment: Ray corollas yellow, laminae 1–10 mm, floral pigments remaining yellow in dilute aqueous alkali. / rank |
| + | Normal rank |
| Property / taxon description fragment: Ray corollas yellow, laminae 1–10 mm, floral pigments remaining yellow in dilute aqueous alkali. / reference |
| + | |
| Property / taxon description fragment |
| + | Disc corolla lobes 5; |
| Property / taxon description fragment: Disc corolla lobes 5; / rank |
| + | Normal rank |
| Property / taxon description fragment: Disc corolla lobes 5; / reference |
| + | |
| Property / taxon description fragment |
| + | anther appendages ovate to obovate; |
| Property / taxon description fragment: anther appendages ovate to obovate; / rank |
| + | Normal rank |
| Property / taxon description fragment: anther appendages ovate to obovate; / reference |
| + | |
| Property / taxon description fragment |
| + | style apices ± deltate, glabrous or with apical tufts of hairs and subapical fringes of shorter hairs. |
| Property / taxon description fragment: style apices ± deltate, glabrous or with apical tufts of hairs and subapical fringes of shorter hairs. / rank |
| + | Normal rank |
| Property / taxon description fragment: style apices ± deltate, glabrous or with apical tufts of hairs and subapical fringes of shorter hairs. / reference |
| + | |
| Property / taxon description fragment |
| + | 2n = 8, 10. |
| Property / taxon description fragment: 2n = 8, 10. / rank |
| + | Normal rank |
| Property / taxon description fragment: 2n = 8, 10. / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: range morphology value / rank |
| + | Normal rank |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: range morphology value / rank |
| + | Normal rank |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: range morphology value / rank |
| + | Normal rank |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: range morphology value / rank |
| + | Normal rank |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / qualifier |
| + | |
| Property / morphology statement: range morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |
| Property / morphology statement |
| + | |
| Property / morphology statement: simple morphology value / rank |
| + | Normal rank |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / qualifier |
| + | |
| Property / morphology statement: simple morphology value / reference |
| + | |