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Findings

The results are summarized in a table. Following is a set of keys, then the table.

Table Keys

Conservation land key


Invasive Species Key

AA

Acton Arboretum


ACPL

Acer platanoides

Norway maple

B

Bulette


ALPE

Alliaria petiolata

Garlic mustard

CA

Camp Acton


BETH

Berberis thunbergii

Japanese barberry

CL

Canoe Launch


BEVU

Berberis vulgaris

Common or European barberry

GP

Grassy Pond


CEOR

Celastrus orbiculatus

Oriental, Asian or Asiatic bittersweet

GH

Great Hill


ELUM

Elaeagnus umbellata

Autumn olive

GB

Guggins Brook


EUAL

Euonymous alata

Burning Bush / Winged Eunymous

HH

Heath Hen


FRAL

Frangula alnus

Glossy buckthorn

JL

Jenks Land


IRPS

Iris pseudacorus

Yellow iris

NH

Nagog Hill


LOSP

Lonicera spp.

Various invasive honeysuckle bush species.

NB

Nashoba Brook


LYSA

Lythrum salicaria

Purple loosestrife

PB

Pratt’s Brook


PHAU

Phragmites australis

Common reed

SH

Spring Hill


POCU

Polygonum cuspidatum

Japanese Knotweed, Japanese or Mexican Bamboo

SM

Stoneymeade


POSA

Polygonum sachalinense

Giant Knotweed

WB

Wetherbee


RHCA

Rhamnus cathartica

Common buckthorn

WH

Will’s Hole


ROMU

Rosa multiflora

Multiflora Rose

Character

Name

How Many

.

Period None identified yet/

-

Minus

less than 10 plants

+

Plus

10 – 100 plants

$

Dollar

More than 100 plants

&&

Double-Ampersand

More than an acre, or a large portion of the parcel.


Table of Acton Conservation Land Plant Invasions

AA

B

CA

CL

GP

GH

GB

HH

JL

NH

NB

PB

SH

SM

WB

WH

ACPL

&&

.

-

.

-

.

.

.

-

.

.

.

.

.

.

.

ALPE

$

.

$

.

.

.

.

.

.

.

&&

.

.

.

.

$

BETH

+

+

+

.

+

.

+

+

.

+

+

+

.

-

.

-

BEVU

-

.

.

.

.

.

-

.

.

.

.

.

.

.

.

.

CEOR

+

$

$

.

$

$

&&

$

$

&&

$

$

+

$

$

+

ELUM

.

.

.

.

.

.

.

.

.

.

.

.

.

.

-

-

EUAL

-

.

-

.

+

&&

+

.

-

.

.

-

.

-

.

-

FRAL

-

-

-

.

+

+

&&

$

$

$

$

$

.

$

$

+

IRPS

+

.

.

.

.

.

+

.

.

.

.

.

.

.

.

.

LOSP

&&

+

$

.

.

.

-

+

.

.

.

+

.

&&

+

+

LYSA

$

.

.

.

.

.

&&

.

.

.

.

.

.

.

.

.

POCU

+

.

-

&&

.

.

+

.

.

.

.

.

.

.

$

+

POSA

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

+

PHAU

.

.

.

.

.

.

&&

.

.

.

.

.

.

.

.

.

RHCA

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

ROMU

&&

$

-

.

$

+

$

$

$

&&

+

+

.

$

.

-

 

Change History

Base data from 2005 Survey.
Canoe Launch update from 2006
Increased ALPE count in Arboretum in 2006
Added ALPE invasion at Nashoba Brook in 2006

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