Lamium galeobdolon subsp. argentatum (Variegated yellow archangel)

6/26/2012 · Nashua River Rail Trail, Dunstable, Dunstable, Massachusetts · ≈ 9 × 6″ (22 × 14 cm)

6/26/2012 · Nashua River Rail Trail, Dunstable, Dunstable, Massachusetts · ≈ 12 × 8″ (31 × 20 cm)

6/26/2012 · Nashua River Rail Trail, Dunstable, Dunstable, Massachusetts · ≈ 11 × 7″ (27 × 18 cm)

Kingdom	Plantae	Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin)
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Magnoliopsida	Dicotyledons—plants with two initial seed leaves
Subclass	Asteridae	A large class that encompasses asters
Order	Lamiales	Aromatic herbs and shrubs, including lavender, lilac, olive, jasmine, ash, teak, snapdragon, sesame, psyllium, garden sage, mint, basil, and rosemary
Family	Lamiaceae	Mint family
Genus	Lamium	Ancient Latin name for the mint family
Species	galeobdolon	“Smelling like a weasel,“ referring to the unpleasant odor of the crushed leaves
subsp.	argentatum	“Silvery”

Lamium galeobdolon subsp. argentatum description by Thomas H. Kent, not updated.