USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

An Assessment of Exotic Plant Species of Rocky Mountain National Park

Table 3 - Summary of Final Assessment for Exotic Plant Species of Concern


Species Name
Potential Distribution
(Total=15)
Potential Impact
(Total=40)
Current Impact
(Total=50)
Ease of Control
(Total=100) (0=Difficult)
Urgency
Agropyron repens
6
33
4
40
Med
Bromus inermis
6
33
25
18
Med/High
Bromus tectorum
13
25
17
24
Med
Carduus nutans
11
26
29
25
Med
Centaurea diffusa
11
33
22
26
High
Centaurea maculosa
11
26
22
31
High
Cirsium arvense
11
31
30
8
Med
Cirsium vulgare
11
26
25
34
Med
Chrysanthemum leucanthemem
9
29
8
33
Med
Convolvulus arvensis
6
26
6
22
Med
Dactylis glomerata
6
29
12
34
Med
Euphorbia esula
11
38
42
20
High
Gypsophilia paniculata
9
26
--
40
Low/Med
Hypericum perforatum
13
38
-9
21
Med
Linaria dalmatica
9
31
37
27
Med
Linaria vulgaris
11
27
40
19
High
Lythrum salicaria
11
31
*
31
Med
Melilotus alba, Melilotus officinalis
9
24
9
30
Med
Phalaris arundinaceae
9
24
--
21
Med
Poa pratensis
11
27
23
26
Med
Sonchus uliginosus
9
27
--
31
Med

* Currently not found in RMNP, but is found in areas adjacent to RMNP.


Previous Section -- Table 2 - Summary of Screening Assessment Results
Return to Contents
Next Section -- Abstracts for Species of Concern- Final Assessment

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/plants/explant/table3.htm
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 06:06:57 EST
Reston, VA [vaww55]