Rumex salicifolius (Willow dock)

7/27/2015 · Two Lights, Cape Elizabeth, Maine · ≈ 3½ × 6″ (9.6 × 14 cm)

7/27/2015 · Two Lights, Cape Elizabeth, Maine · ≈ 4 × 6″ (10 × 16 cm)

7/27/2015 · Two Lights, Cape Elizabeth, Maine · ≈ 3½ × 5″ (8.6 × 12 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	Caryophyllidae	Cacti, many other succulents, carnivorous plants, and leadworts
Order	Caryophyllales	Includes cacti, carnations, amaranths, ice plants, and many carnivorous plants
Family	Polygonaceae	Knotweed or smartweed family
Genus	Rumex	Ancient Latin for “docks or sorrels”
Species	salicifolius	Salix-leaved