Flag

 Fullscreen 
Dave Powell, USDA Forest Service (retired), Bugwood.org
Creative Commons License   licensed under a Creative Commons Attribution 3.0 License.
Request permission via light box Save to collection

Image Number: 0806080

bull thistle (Cirsium vulgare) (Savi) Ten.

Photographer:
Dave Powell
Organization:
USDA Forest Service (retired)
Descriptor:
Competition
Description:
under dead fir killed by budworm. Swale Creek, Under dead fir killed by western spruce budworm (Choris¬toneura occidentalis); Swale Creek, Heppner Ranger District, Umatilla National Forest, northeastern Oregon
Image type:
Field
Host:
grand fir, Douglas-fir, and associated species (Eastern Oregon and Washington) ( )

You must attribute the work in the manner specified (but not in any way that suggests endorsement).

Image location:

Subject

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Asterales
Family: Asteraceae
Subfamily: Carduoideae
Genus: Cirsium
Subject: Cirsium vulgare (Savi) Ten.

Host


There is no applicable taxonomy of higher classification for this subject.
Node Affiliation:
Bugwood - UGA
Image uploaded:
Wednesday, August 22, 2001
Image last updated:
Sunday, January 29, 2017