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1847 J. O. Halliwell Dict. Archaic & Provinc. Words II Poverty-weed, purple cow-wheat. A weed growing in corn, having a fine large flower, yellow, pale red, and purple; it is very injurious, and betokens a poor, light, stony soil.

1876 C. E. Hobbs C. E. Hobbs's Bot. Hand-bk. 92 Poverty weed, Life everlasting, Gnaphalium polycephalum.

1906 J. Vaughan Wild-flowers Selborne 78 Its local name [sc. near the Undercliff on the Isle of Wight] was ‘Poverty weed’, with reference..to the way in which it impoverished the soil.

1942 W. W. Robbins et al. Weed Control 475 Grazing animals avoid povertyweed [sc. Iva axillaris], probably because of its rank unpleasant odour.

1950 J. E. Lousley Wild Flowers of Chalk & Limestone v. 76 At one time it [sc. purple cow-wheat] was so abundant on two farms [near Ventnor] that the seeds ground up with the wheat discoloured the flour and rendered it unmarketable. Hence it became known locally as Poverty Weed.

1998 Calgary (Alberta) Herald (Nexis) 2 July d2 It [sc. Antennaria] has also been referred to as early everlasting.., Indian tobacco, and poverty weed. This last assignation is often used to refer to plants that survive or even thrive on poor soil.