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Photos. above and below, mustards (Sisymbrium irio or London Rocket) taking the place of the Desert Dandelion, 4 miles north of Kelso, where a train car-full of corn derailed, and the cleanup scraped off the desert vegetation and disturbed the soil.

Results of a 70 mph windshield survey (or whatever the local speed limits were), of three exotic Mustards: Either not present; is present along roadsides or in medians; or is outside of the roadside to the fence line or has moved from the roadsides to infest adjacent land.

NS = None Seen. None of the three exotic Mustards of concern were seen along roadside ditches; or if divided highway, also not seen in the roadside median, or in lands adjacent to the road.

RS = Road Sides were infested. MED = In divided highways, in medians.

DES = One or more Exotic Mustards have moved from the roadsides into the desert, agricultural areas, or other lands adjacent to the roadsides. FL = Only found along the highway cyclone-fence line, but is far enough off the roadside to pose an immediate problem for the lands adjacent to the fences. At the time of the survey, did not appear to be moving off the fence line yet.

SPECIES PRESENT:

BT = Brassica tournefortii or Sahara Mustard
SL = Sisymbrium irio or London Rocket
SO = Sisymbrium orientale or Indian Hedge Mustard

PM = Post miles along highways, and numbers indicate the averages found not just at each post mile, but for 1/2 mile on either side of the post mile marker.

(Landmarks and other notes on other exotics or native plants will be in parentheses)

Survey April 2, 2005, may be updated periodically

(Odometer miles noted because PM markers not seen)

0-1 - RS - SL scattered at road edge under creosotes
1 - RS - SL scattered under creosotes
2 - RS - SL scattered under creosotes
3 - RS - SL scattered under creosotes
4 - RS - SL scattered under creosotes
5 - RS - SL scattered under creosotes
6 - NS - Joshua Tree forest
7 - NS
8 - NS
9 - NS
10 - NS
11 - NS
12 - NS
13 - NS
14 - NS
15 - NS
16 - NS
17 - NS
18 - RS - SL rare (Creosotes coming in, with red brome understory)
19 - NS
20 - NS
21 - NS
22 - NS
23 - RS - SL rare
24 - NS - (Creosotes with desert dandelions)
25 - NS
26 - NS - (Creosotes with desert dandelions)
27 - NS
28 - NS
29 - RS - BT scattered
30 - NS - (Creosotes)
31 - NS
32 - NS
32.3-32.5 - DES - SL solid at train derailment site
33 - NS
34 - NS
35 - NS - (Creosotes with exotic Schismus grass)
Town of Kelso
36 - DES - SL solid, BT rare
37 - RS - BT rare in solid Hilaria grassland
38 - RS - BT rare
39 - RS - BT rare
40 - NS
41 - NS
42 - NS
43 - NS - Kelso Dune road
44 - NS
45 - NS
46 - NS
46 - NS
47 - NS
48 - NS - (Mojave Yuccas start)
49 - NS
50 - NS - Microwave tower
51 - NS
52 - RS - SL very rare, one plant
53 - NS - (Mojave Yuccas)
54 - NS - (Indian Ricegrass and Amsinckia)
55 - NS - (Creosotes)
56 - RS - BT rare
57 - NS
58 - RS - BT

Junction of I-40

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