| 31. | Learn to recognize ragweed, and pursue it mercilessly.
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| 32. | Q : We are sufferingbterribly from ragweed this fall.
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| 33. | Thebe is no evidence that ragweed pollen causes asthma,
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| 34. | Giant ragweed, he said, was Ambrosia trifida.
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| 35. | Luckily, the roots of giant ragweed are shallow and easy to pull.
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| 36. | Ragweed ( and locusts ) are called pioneer species.
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| 37. | Ragweeds are phyllaries and fewer, smaller florets . and the fruits develop.
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| 38. | A single ragweed plant can generate a million grains of pollen per day.
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| 39. | We had a fairly wet spring, and spring rain makes ragweed more robust.
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| 40. | Following the Urban Outfitters tradition, Anthropologie stores sprout like sycamores rather than ragweed.
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