| 11. | The fruit is a tiny achene up to a millimeter long.
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| 12. | The fruit is a tiny achene less than a millimeter long.
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| 13. | The fruit is a sharply angled achene a few millimeters long.
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| 14. | The fruit is an achene just over half a centimeter long.
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| 15. | The fruit is a flat, hairless achene with no pappus.
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| 16. | The fruit is a shiny black achene about 2 millimeters wide.
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| 17. | These are followed by small dry achenes that have silky hairs.
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| 18. | The fruits are achenes with whitish hairy appendages ( pappus ).
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| 19. | The fruits are glabrous achenes with hairy appendages ( pappus ).
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| 20. | The fruit is an achene tipped with thick scales and bristles.
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