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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 / distribution |
| + | South America |
| Property / distribution: South America / rank |
| + | Normal rank |
| Property / distribution: South America / reference |
| + | |
| Property / taxon description fragment |
| + | Stems sprawling, ascending, branched mostly from bases. |
| Property / taxon description fragment: Stems sprawling, ascending, branched mostly from bases. / rank |
| + | Normal rank |
| Property / taxon description fragment: Stems sprawling, ascending, branched mostly from bases. / reference |
| + | |
| Property / taxon description fragment |
| + | sessile; |
| Property / taxon description fragment: sessile; / rank |
| + | Normal rank |
| Property / taxon description fragment: sessile; / reference |
| + | |
| Property / taxon description fragment |
| + | blades spatulate to linear (succulent), margins entire, faces glabrous. |
| Property / taxon description fragment: blades spatulate to linear (succulent), margins entire, faces glabrous. / rank |
| + | Normal rank |
| Property / taxon description fragment: blades spatulate to linear (succulent), margins entire, faces glabrous. / reference |
| + | |
| Property / taxon description fragment |
| + | Heads radiate [discoid], borne singly. |
| Property / taxon description fragment: Heads radiate [discoid], borne singly. / rank |
| + | Normal rank |
| Property / taxon description fragment: Heads radiate [discoid], borne singly. / reference |
| + | |
| Property / taxon description fragment |
| + | Involucres cylindric to obconic, 4–8+ mm diam. |
| Property / taxon description fragment: Involucres cylindric to obconic, 4–8+ mm diam. / rank |
| + | Normal rank |
| Property / taxon description fragment: Involucres cylindric to obconic, 4–8+ mm diam. / reference |
| + | |
| Property / taxon description fragment |
| + | Phyllaries 12–15 in 3+ series (ovate to lanceolate, unequal, succulent to membranous). |
| Property / taxon description fragment: Phyllaries 12–15 in 3+ series (ovate to lanceolate, unequal, succulent to membranous). / rank |
| + | Normal rank |
| Property / taxon description fragment: Phyllaries 12–15 in 3+ series (ovate to lanceolate, unequal, succulent to membranous). / reference |
| + | |
| Property / taxon description fragment |
| + | Receptacles conic, epaleate. |
| Property / taxon description fragment: Receptacles conic, epaleate. / rank |
| + | Normal rank |
| Property / taxon description fragment: Receptacles conic, epaleate. / reference |
| + | |
| Property / taxon description fragment |
| + | Ray-florets [0] 3–10, pistillate, fertile; |
| Property / taxon description fragment: Ray-florets [0] 3–10, pistillate, fertile; / rank |
| + | Normal rank |
| Property / taxon description fragment: Ray-florets [0] 3–10, pistillate, fertile; / reference |
| + | |
| Property / taxon description fragment |
| + | corollas yellow. |
| Property / taxon description fragment: corollas yellow. / rank |
| + | Normal rank |
| Property / taxon description fragment: corollas yellow. / reference |
| + | |
| Property / taxon description fragment |
| + | Disc-florets 20–50+, bisexual, fertile; |
| Property / taxon description fragment: Disc-florets 20–50+, bisexual, fertile; / rank |
| + | Normal rank |
| Property / taxon description fragment: Disc-florets 20–50+, bisexual, fertile; / reference |
| + | |
| Property / taxon description fragment |
| + | corollas yellow, tubes about equaling narrow, cylindric throats, lobes 5, deltate. |
| Property / taxon description fragment: corollas yellow, tubes about equaling narrow, cylindric throats, lobes 5, deltate. / rank |
| + | Normal rank |
| Property / taxon description fragment: corollas yellow, tubes about equaling narrow, cylindric throats, lobes 5, deltate. / reference |
| + | |
| Property / taxon description fragment |
| + | Cypselae obconic to clavate or columnar (10-ribbed, glabrous); |
| Property / taxon description fragment: Cypselae obconic to clavate or columnar (10-ribbed, glabrous); / rank |
| + | Normal rank |
| Property / taxon description fragment: Cypselae obconic to clavate or columnar (10-ribbed, glabrous); / reference |
| + | |
| Property / taxon description fragment |
| + | pappi usually 0, rarely persistent, of 1–5 subulate scales. |
| Property / taxon description fragment: pappi usually 0, rarely persistent, of 1–5 subulate scales. / rank |
| + | Normal rank |
| Property / taxon description fragment: pappi usually 0, rarely persistent, of 1–5 subulate scales. / reference |
| + | |
| Property / taxon description fragment |
| + | x = 19. |
| Property / taxon description fragment: x = 19. / rank |
| + | Normal rank |
| Property / taxon description fragment: x = 19. / 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: 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 / 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: 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: 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: 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: 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 / 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: 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 / 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 |
| + | |