Achillea crithmifolia Waldst. & Kit.LCLeast ConcernCommon nameYarrowGenusAchilleaFamilyAsteraceae127 82 observations
Achillea distans Waldst. & Kit. ex Willd.Common nameTall yarrowGenusAchilleaFamilyAsteraceae2,869 2,304 observations
Achillea filipendulina Lam.Common nameFernleaf yarrowGenusAchilleaFamilyAsteraceae6,422 5,007 observations
Achillea maritima (L.) Ehrend. & Y.P.GuoCommon nameCottonweedGenusAchilleaFamilyAsteraceae1,042 740 observations
Achillea millefolium L.LCLeast ConcernCommon nameCommon yarrowGenusAchilleaFamilyAsteraceae26,252 21,796 observations
Achillea ptarmica L.LCLeast ConcernCommon nameSneezewortGenusAchilleaFamilyAsteraceae3,988 3,090 observations
Aetheorhiza bulbosa (L.) Cass.Common nameTuberous-hawk's-beardGenusAetheorhizaFamilyAsteraceae284 139 observations
Agoseris heterophylla (Nutt.) GreeneCommon nameAnnual agoserisGenusAgoserisFamilyAsteraceae45 45 observations
Ambrosia artemisiifolia L.Common nameAnnual ragweedGenusAmbrosiaFamilyAsteraceae5,778 4,593 observations
Anacyclus × valentinus L.Common nameBachelor's ButtonGenusAnacyclusFamilyAsteraceae1,151 858 observations
