Prenanthes alba (White rattlesnakeroot)

8/15/2025 · Sabino Head Road, Fort Baldwin State Park, Phippsburg, Maine · ≈ 4½ × 4″ (11 × 10 cm)

8/6/2025 · Linekin Preserve and Burley Loop, Boothbay, Maine · ≈ 3 × 3½″ (8.1 × 9.7 cm)

7/6/2025 · Cross River Preserve, Boothbay, Maine · ≈ 11 × 15″ (27 × 37 cm)

7/6/2025 · Cross River Preserve, Boothbay, Maine · ≈ 1 × 1½′ (34 × 49 cm)

6/15/2025 · Morse Mountain Preserve, Phippsburg, Maine · ≈ 14 × 10″ (36 × 24 cm)

9/9/2023 · Flying Point, Georgetown, Maine · ≈ 3½ × 4″ (9 × 9.9 cm)

8/15/2025 · Sabino Head Road, Fort Baldwin State Park, Phippsburg, Maine · ≈ 10 × 6″ (24 × 16 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	Asterales	Flowering plants with a central disk flower and surrounding petals, like daisies
Family	Asteraceae	The aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
Genus	Prenanthes	From Greek prenes, “prone, prostrate, with face downward,” and anthos, “flower”
Species	alba	White