UW Burke Herbarium species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Bidens laevis

Bidens vulgata

tall beggar-ticks, western sticktight
Habit Annual, nearly glabrous throughout, 3-15 dm. tall.
Leaves

Leaves with petioles 1-6 cm. long, pinnately compound, with 3-5 lanceolate, pointed, serrate leaflets up to 10 cm. long and 3 cm. wide.
Flowers

Heads without rays, the disk about 1 cm. wide; outer involucral bracts 10-16, green and leafy, surpassing the pale yellow disk.
Fruits

Achenes flat, narrowly wedge-shaped, usually olivaceous, 5-10 mm. long, with persistent pappus of 2 barbed awns.

Bidens laevis

Bidens vulgata
Flowering time July-October
Habitat Streamsides, ponds, lakes, ditches and other moist to wet waste places.
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across all but the southwestern U.S. to the Atlantic Coast.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from British Columbia
Conservation status Not of concern
Sibling taxa
B. amplissima, B. beckii, B. cernua, B. connata, B. frondosa, B. tripartita, B. vulgata
B. amplissima, B. beckii, B. cernua, B. connata, B. frondosa, B. tripartita
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in UW Burke Herbarium yet, or it's listed under a synonym.)

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

The species comparison tool is brought to you by:
Northwest Wildflowers