Acanthospermum australe (Loefl.) KuntzeCommon nameSheepburGenusAcanthospermumFamilyAsteraceae120 67 observations
Acanthospermum hispidum DC.Common nameBristly starburGenusAcanthospermumFamilyAsteraceae140 95 observations
Achillea millefolium L.LCLeast ConcernCommon nameMilfoilGenusAchilleaFamilyAsteraceae26,248 21,792 observations
Acmella oleracea (L.) R.K.JansenCommon nameBrazilian cressGenusAcmellaFamilyAsteraceae267 197 observations
Acmella uliginosa (Sw.) Cass.LCLeast ConcernCommon nameMarsh para cressGenusAcmellaFamilyAsteraceae72 41 observations
Ageratum houstonianum Mill.Common nameMexican ageratumGenusAgeratumFamilyAsteraceae3,679 3,111 observations
Ambrosia maritima L.LCLeast ConcernCommon nameCoastal RagweedGenusAmbrosiaFamilyAsteraceae7 5 observations
Aspilia mossambicensis (Oliv.) WildCommon nameWoodland aspiliaGenusAspiliaFamilyAsteraceae295 192 observations
