Artemisia stelleriana.en.wikipedia.org .(Accessed 4/2014).

Artemisia stelleriana is a perennial herb, 30-70 cm tall, plant not aromatic; colonial from underground stems (rhizomes), stems unbranched below. 

Leaves alternate, 3-10 cm long, including stalk, 1-5 cm wide, sparsely but deeply pinnately lobed, lobe tips rounded. 

Artemisia stelleriana. inflorescences. commons.wikimedia.org (Accessed 10/2017).

Flowers yellowish, very small, tubular, radially symmetrical, in compact heads that arise from a bract-covered floral base (receptacle), flower heads relatively large, numerous 0.6-0.7 cm tall, disk flowers 0.3-0.4 cm; inflorescence, branched, narrow, densely white-wooly; blooming and fruiting May-Sept. 

Fruit: dry, 1-seeded (achenes) small. 

Wetland status: UPL. 

Frequency in NYC: Very infrequent. 

Origin: Northern Asia, Japan. 

Habitat: Sandy beaches. 

Notes: Escaped from cultivation. Common on Sandy Hook NJ.