Phase One Baseline Study Data Summary

Table 4: Riverside Meadow Study Area ‐ Baseline Study Data Summary;
JRPS Habitat Restoration Project (Phase 1) ‐ Invasive Plant Management Plan
Lead Data Collection Team: Virginia Master Naturalists (Greenleaf, Gianfortoni, Shigley, Stephens)
Support Data Collection Team: N/A
Date of Fieldwork: August 1, 2015
Total Time in Field: 5.5 hours
Functional Guild
Scientific Name
Acer platanoides L.
Ailanthus altissima (P. Mill.) Swingle
Albizia julibrissin Durazz.
Trees
Melia azedarach L.
Morus alba L.
Paulownia tomentosa (Thunb.) Sieb. & Zucc. ex Steud.
Pyrus calleryana Dcne.
Berberis thunbergii DC.
Elaeagnus umbellata Thunb.
Euonymus alatus (Thunb.) Sieb.
Shrubs
Ligustrum sinense Lour.
Lonicera maackii (Rupr.) Maximowicz
Rosa multiflora Thunb. ex Murr.
Alliaria petiolata (Bieb.) Cavara & Grande
Centaurea stoebe L. ssp. micranthos (S.G. Gmelin ex Gugle
Cirsium vulgare (Savi) Ten.
Commelina communis L.
Hydrilla verticillata (L. f.) Royle
Iris pseudacorus L.
Lespedeza cuneata (Dum.‐Cours.) G. Don
Lysimachia nummularia L.
Murdannia keisak (Hassk.) Hand.‐Maz.
Persicaria longiseta (de Bruyn) Moldenke
Herbs/Grasses
Phyllostachys aurea Carr. ex A.& C. Rivière
Reynoutria japonica Houtt.
Rumex acetosella L.
Rumex crispus L.
Securigera varia (L.) Lassen
Stellaria media (L.) Vill.
Urtica dioica L.
Arthraxon hispidus (Thunb.) Makino
Microstegium vimineum (Trin.) A. Camus
Sorghum halepense (L.) Pers.
Ampelopsis brevipedunculata (Maxim.) Trautv.
Celastrus orbiculata Thunb. [orthographic variant]
Dioscorea polystachya Turczaninow
Euonymus fortunei (Turcz.) Hand.‐Maz.
Glechoma hederacea L.
Hedera helix L.
Vines
Humulus japonicus Sieb. & Zucc.
Lonicera japonica Thunb.
Pueraria montana (Lour.) Merr.
Vinca major L.
Vinca minor L.
Wisteria sinensis (Sims) DC.
Common Name
Family
Norway Maple
Tree of Heaven
Silktree
Chinaberrytree
White Mulberry
Princesstree
Bradford Pear
Japanese Barberry
Autumn Olive
Burningbush
Chinese Privet
Amur Honeysuckle
Multiflora Rose
Garlic Mustard
Spotted Knapweed
Bull Thistle
Asiatic dayflower
Hydrilla
Paleyellow Iris
Chinese Lespedeza
Moneywort
Marsh Dewflower
Lady's Thumb
Golden Bamboo
Japansese Knotweed
Common Sheep Sorrel
Curly Dock
Crownvetch
Common Chickweed
Stinging Nettle
Small Carpgrass
Japanese Stiltgrass
Johnsongrass
Amur Peppervine
Oriental Bittersweet
Cinnamon Vine
Winter Creeper
Ground Ivy
English Ivy
Japanese Hop
Japanese Honeysuckle
Kudzu
Bigleaf Periwinkle
Common Periwingle
Chinese Wisteria
Aceraceae
Simaroubaceae
Fabaceae
Meliaceae
Moraceae
Scrophulariaceae
Rosaceae
Berberidaceae
Elaeagnaceae
Celastraceae
Oleaceae
Brassicaceae
Rosaceae
Brassicaceae
Asteraceae
Asteraceae
Commelinaceae
Hydrocharitaceae
Iridaceae
Fabaceae
Primulaceae
Commelinaceae
Polygonaceae
Poaceae
Polygonaceae
Polygonaceae
Polygonaceae
Fabaceae
Caryophyllaceae
Urticaceae
Poaceae
Poaceae
Poaceae
Vitaceae
Celastraceae
Poaceae
Celastraceae
Lamiaceae
Araliaceae
Cannabaceae
Caprifoliaceae
Fabaceae
Apocynaceae
Apocynaceae
Fabaceae
*Virginia Department of Conservation and Recreation Invasiveness Ranking: H = High Invasiveness; M = Medium Invasiveness; L = Low Invasiveness
**Management Units Assessed Using Modified Braun‐Blanquet Cover Scale: 1 = 0‐5% (BLUE); 2 = 5‐20% (GREEN); 3 = 20‐50% (YELLOW); 4 = 50‐75% (ORANGE); 5 = 75‐100% (RED)
***Treatment practices based on Miller 2003 and JRPS Park Superintendent
Treatment Category***
A
B
C
D
E
F
G
H
DCR Suggested Management Unit**
1
2
Rank* Treatment***
M
na
H
na
M
TBD
4‐
4
L
na
L
na
M
TBD
1
M
na
M
na
H
na
H
na
H
TBD
2
H
TBD
3
2+
1
H
TBD
H
na
H
na
M
na
L
na
H
na
H
na
H
TBD
3
3
H
na
H
na
H
na
H
na
M
na
H
na
M
na
L
na
H
na
M
na
M
na
H
TBD
1
H
na
H
na
H
na
H
na
M
TBD
2
3
M
na
M
TBD
2
M
TBD
2
H
TBD
3
4
H
TBD
3+
L
na
L
na
M
na
Cover Class for Trees:
4‐
4
Cover Class for Shrubs:
3
2+
Cover Class for Herbs:
3
3
Cover Class for Vines:
3+
4
OVERALL COVER CLASS:
4
4+
Treatment Description***
Hand Removal: Removal of plant material from the soil in environmentally sensitive areas.
Goat Herd Management: Rotating herds to remove dense cover and combo treatments.
Mow‐Treat Method: Application of herbicide‐water mixtures to cut/damaged stems or foliage.
Cut‐Treat Method: Application of herbicide‐water mixtures to freshly cut stumps.
Basal Spray: Applications of herbicide‐oil‐penetrant mixture daubed onto lower stems.
Stem Injection: Applications of appropriate herbicide directly into tree stems.
Prescribed Burning: Drip torching and other methods utilizing experienced professionals.
Directed Foliar Spray: Application to leaves with herbicide‐water‐surfactant mixture.
1