A walk in the backyard:

Garlic mustard is highly invasive. If it’s on your property, pull it up as soon as the flowers show and before it forms seed pods! Easily identified by it’s small flowers with 4 white petals and the leaf shape and color.
Scientific names and families:
Quince/Cydonia oblonga – Rose Family: Rosaceae
Brunnera/Brunnera macrophylla – Borage Family: Boraginaceae
Daffodil/Narcissus sp. – Amaryllis Family: Amaryllidaceae
Small white violet/Viola macloskeyi – Violet Family: Violaceae
Pachysandra/Pachysandra terminalis – Boxwood Family: Buxaceae
Speedwell/Veronica arvensis – Plantain Family: Plantaginaceae
Strawberry/Fragaria sp. – Rose Family: Rosaceae
Garlic mustard/Alliaria petiolata – Mustard Family: Brassicaceae