Shrubs and the Pollinators Who Love Them Shrubs and the Pollinators Who Love Themv. 75No. 4Arnold Arboretum, Harvard University17–28Gagliardi, James and Walker, Holly. 2018. "Shrubs and the Pollinators Who Love Them." Arnoldia, 75, (4) 17–28.More...ID: 146511Type: articleKeywords: SI-Gardens