Invasive plant field reconnaissance report




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INVASIVE PLANT FIELD RECONNAISSANCE REPORT

Lake Tahoe Basin Management Unit


Project:

Location: T R S ¼ ¼ UTM:

Survey Date: Surveyor/s:

Directions to Site:
USGS Quad Name:

Survey type: Field Check; Cursory; General; Intuitive Controlled; Complete

Describe survey route taken:

Project description:
Table A. Inventory (describe survey conducted and complete table below):

Table 1. Noxious and invasive weed species in or near the project area

Common Name

Scientific Name

LTBWCG

CDFA

NDA

SNFPA

Species Present?

Y or N

If Present, Gross Area of the Infestation (sq. ft.)

Cheat grass

Bromus tectorum










NW







Heart-prodded hoarycress

Cardaria draba

Group 1

B

C

NW







Globe-prodded hoarycress

Cardaria pubescens

Group 1

B




NW







Musk thistle

Carduus nutans

Group 1

A

B

NW







Purple starthistle

Centaurea calcitrapa



B

A

NW







Diffuse knapweed

Centaurea diffusa

Group 1

A

B

NW







Spotted knapweed

Centaurea maculosa

Group 2

A

A

NW







Russian knapweed

Centaurea repens

Group 1




B










Yellow starthistle

Centaurea solstitialis

Group 1

C

A

NW







Squarrose knapweed

Centaurea squarrosa

Group 1

A

A

NW







Rush skeletonweed

Chondrilla juncea

Group 1

A

A

NW







Canada thistle

Cirsium arvense

Group 1

B

C

NW







Bull thistle

Cirsium vulgare

Group 2

C




NW







Poison hemlock

Conium maculatum







C










Field bindweed

Convolvulus arvensis




C




NW







Scotchbroom

Cytisus scoparius

Group 2

C




NW







Teasel

Dipsacus fullonum

Group 1
















Quackgrass

Elytrigia repense




B




NW







St. John’s wort / Klamath weed

Hypericum perforatum

Group 2

C

A

NW







Tall whitetop / Perennial pepperweed

Lepidium latifolium

Group 2

B

C

NW







Ox eye daisy

Leucanthemum vulgare

Group 2







NW







Dalmatian toadflax

Linaria genistifolia spp. dalmatica

Group 2

A

A

NW







Yellow toadflax

Linaria vulgaris

Group 2




A










Purple loosestrife

Lythrum salicaria










NW







Eurasian watermilfoil

Myriophyllum spicatum

Group 2

C

A

NW







Scotch thistle

Onorpordum acanthium

Group 1

A

B

NW







Curlyleaf pondweed

Potamogeton crispus

Group 2
















Sulfur cinquefoil

Potentilla recta

Group 1

Q

A










Russian thistle

Salsola tragus




C




NW







Perennial Sowthistle

Sonchus arvensis l.




A

A










Medusa-head,

Taeniatherum caput-medusae










NW







Tamarisk

Tamarix chinensis, T. ramosissima, & T. parvifolia










NW







Woolly mullein

Verbascum thapsus










NW







Lake Tahoe Basin Weed Coordinating Group (LTBWCG) prioritizes invasive weeds of concern by management group. Group 1: watch for, report, and eradicate immediately. Group 2: manage infestations with the goal of eradication.

The California Department of Food and Agriculture’s (CDFA) noxious weed list (http://www.cdfa.ca.gov/phpps/ipc/ ) divides noxious weeds into categories A, B, and C. A-listed weeds are those for which eradication or containment is required at the state or county level. With B-listed weeds, eradication or containment is at the discretion of the County Agricultural Commissioner. C-listed weeds require eradication or containment only when found in a nursery or at the discretion of the County Agricultural Commissioner. Q-listed weeds require temporary “A” action pending determination of a permanent rating.

Nevada Department of Agriculture (NDA) (http://agri.nv.gov/nwac/PLANT_NoxWeedList.htm divides) divides noxious weeds into categories A, B, and C. Category “A”: Weeds not found or limited in distribution throughout the state; actively excluded from the state and actively eradicated wherever found; actively eradicated from nursery stock dealer premises; control required by the state in all infestations. Category "B": Weeds established in scattered populations in some counties of the state; actively excluded where possible, actively eradicated from nursery stock dealer premises; control required by the state in areas where populations are not well established or previously unknown to occur. Category "C": Weeds currently established and generally widespread in many counties of the state; actively eradicated from nursery stock dealer premises; abatement at the discretion of the state quarantine officer.

Sierra Nevada Forest Plan Amendment (SNFPA) part 3.6 defines noxious weeds as: those plant species designated as noxious weeds by Federal or State law. Noxious weeds generally possess one or more of the following characteristics: aggressive and difficult to manage, poisonous, toxic, parasitic, a carrier or host of serious insects or disease, and generally non-native.


History

Are there historical populations in the area of this project? Yes_______ No_______

Survey Data



Describe habitat/s: Type, Plant series, plant associations, unique features, etc:

Dbh (Give the range for dominant tree types):


Slope/s (range): Aspect/s (range): Elevation (range):
Seral Stage: early mid late Soil/Bedrock:
Disturbance (type and intensity visible in area):


Survey Results



Were invasive species found for this survey?
Areas of concern (areas within project that need extra attention, etc):

Noxious Weeds found in Area:

Recommendations:


Additional comments:
Include a complete species list and a map with route surveyed with recon form. If shape file was collected please forward copy to noxious weed coordinator. If invasive plants were found during survey, fill out and attach site form.



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