Species

Xanthium spinosum (Spiny cocklebur)

Xanthium spinosum. Photo: (c) Tony Rebelo, some rights reserved (CC BY-SA)

Xanthium spinosum is a species of flowering plant in the aster family known by many common names, including spiny cocklebur, prickly burweed and Bathurst burr.

— Wikipedia

Humboldt Life
- Kingdom: Plantae (Plants)
  - Phylum: Tracheophyta (Vascular plants)
    - Subphylum: Angiospermae (Flowering plants)
      - Class: Magnoliopsida (Dicots)
        Order: Asterales (Sunflowers, bellflowers, fanflowers, and allies)
        Family: Asteraceae (Sunflowers, daisies, asters, and allies)
        Subfamily: Asteroideae
        Tribe: Heliantheae (Sunflowers and allies)
        Subtribe: Ambrosiinae (Cockleburs, ragweeds, and wild quinines)
        Genus: Xanthium (Cockleburs)
        Species: Xanthium spinosum (Spiny cocklebur)

Species

Xanthium spinosum (Spiny cocklebur)

Sightings

Where in Humboldt

Discussion

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