The Nature LibraryEN·ES
iNat·64209SpeciesPlantae2,299 field observations
  1. Plants
  2. ›Vascular Plants
  3. ›flowering plants
  4. ›Dicots
  5. ›Sunflowers, Bellflowers, Fanflowers, and Allies
  6. ›Sunflowers, Daisies, Asters, and Allies
  7. ›Asteroideae
  8. ›tarweeds, silverswords, and allies
  9. ›Centromadia
Common Spikeweed
Plate 1 of 7. (c) David Greenberger, some rights reserved (CC BY-NC-ND), uploaded by David Greenberger · via iNaturalist

Common Spikeweed

Centromadia pungens

Centromadia pungens, the common spikeweed or common tarweed, is a species of North American plants in the tribe Madieae within the family Asteraceae. It is native to northern Baja California and the western United States (California, Oregon, Washington, Idaho, Nevada, Arizona). The plant is considered a noxious weed in parts of the Pacific Northwest.

Centromadia pungens is an herb up to 120 cm (47 in) tall. It produces arrays of numerous yellow flower heads with both ray florets and disc florets.

Continue reading on Wikipedia
§·

Where it lives

Recorded sightings

—

geo-referenced records in GBIF, from museums, herbaria and field observers.

Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.

§·

In the stacks

Searching the stacks…

Every page naming Centromadia pungens in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 64209.