Maryland Checklist - Genus: Conyza - all-time (Total: 3)   

PhotosCommon NameGenusSpeciesCategoryFamilyOrderClassKingdom
1  Canadian HorseweedConyzacanadensis Aster FamilyAsteraceaeAsteralesMagnoliopsidaPlantae
2 Canadian HorseweedConyzacanadensis var. canadensisAster FamilyAsteraceaeAsteralesMagnoliopsidaPlantae
3 Southern HorseweedConyzacanadensis var. pusillaAster FamilyAsteraceaeAsteralesMagnoliopsidaPlantae

View Bibliography