1. Summer 2015:
Megan Sprovach
Haley Lucas
INVASIVE SPECIES
TASK FORCE

2. Goals
• Identify problem invasive species
• Using a GPS, log the location of each species and record size
• Create map layers with GIS to visually represent the data
• Add GIS maps to the GBBG online database
• Control infested sites while updating controlled area on map

3. GBBG Invasive Species
Garlic Mustard Dame’s Rocket Canada Thistle
Reed Canary Grass Phragmites Purple Loosestrife
Honeysuckle Common Buckthorn Creeping Bellflower

4. GBBG Invasive Species
Japanese Barberry Burning Bush Multiflora Rose
Autumn Olive Glossy Buckthorn …

5. 2008

6. 2015
Legend
Dame's Rocket
Burning Bush
Creeping Bellflower
Japanese Barberry
Multiflora Rose
Garlic Mustard
Canada Thistle
Glossy Buckthorn Saplings
Common Buckthorn Trees
Common Buckthorn Saplings
Honeysuckle Trees
Honeysuckle Saplings
Reed Canary Grass
Glossy Buckthorn Trees
Phragmites
Autumn Olive
Purple Loosestrife

7. 2008 Creeping Bellflower (Campanula rapunculoides)

8. Creeping Bellflower (Campanula rapunculoides)2015 331.5 sq. ft

9. Creeping Bellflower (Campanula rapunculoides)
2015 Control
Killz-All application

10. 2008 Dame’s Rocket (Hesperis matronalis)

11. Dame’s Rocket (Hesperis matronalis)2015 263.2 sq. ft

12. Dame’s Rocket (Hesperis matronalis)
2015 Control
Hand Pulled

13. Garlic Mustard (Alliaria petiolata)2008

14. Garlic Mustard (Alliaria petiolata)2015 1.46 acre

15. Garlic Mustard (Alliaria petiolata)
2015 Control
Killz-All application

16. 2008 Purple Loosestrife (Lythrum salicaria)

17. Purple Loosestrife (Lythrum salicaria)2015 176 sq. ft

18. Purple Loosestrife (Lythrum salicaria)
2015 Control
Hand Pulled

19. Autumn Olive (Elaeagnus umbellata)

20. Autumn Olive (Elaeagnus umbellata)2015 1.4 sq. ft

21. Autumn Olive (Elaeagnus umbellata)
2015 Control
Cut & Paint

22. Burning Bush (Euonymus alatus)

23. Burning Bush (Euonymus alatus)2015 37 sq. ft

24. Burning Bush (Euonymus alatus)
2015 Control
Hand Pulled,
1 Tree Cut & Painted

25. Japanese Barberry (Berberis thunbergii)

26. Japanese Barberry (Berberis thunbergii)2015 164.6 sq. ft

27. Japanese Barberry (Berberis thunbergii)
2015 Control
Hand Pulled,
1 Cut & Painted

28. Multiflora Rose (Rosa multiflora)

29. Multiflora Rose (Rosa multiflora)2015 1411.6 sq. ft

30. Multiflora Rose (Rosa multiflora)
2015 Control
Cut & Paint

31. 2008 Canada Thistle (Cirsium arvense)

32. Canada Thistle (Cirsium arvense)2015 0.21 acre

33. 2008 Reed Canary Grass (Phalaris arundinacea)

34. Reed Canary Grass (Phalaris arundinacea)2015 1.63 acre

35. 2008 Common Reed Grass (Phragmites australis)

36. Common Reed Grass (Phragmites australis)2015 1.99 acre

37. 2008 Honeysuckle (Lonicera spp.)

38. Honeysuckle (Lonicera spp.)2015 1.90 acre

39. 2008
Common & Glossy Buckthorn
(Rhamnus cathartica / frangula)

40. Common Buckthorn (Rhamnus cathartica)2015 11.42 acre

41. Glossy Buckthorn (Rhamnus frangula)

42. Glossy Buckthorn (Rhamnus frangula)2015 0.33 acre

43. Summary
• In all 14,875 data points were collected
• 19.0 acres (~32%) is covered with invasive species (not accounting
for overlap)
• Complete control: creeping bellflower, dame’s rocket, purple
loosestrife, autumn olive, burning bush, and Japanese barberry
• Partial control: garlic mustard, multiflora rose, and phragmites
• Control methods used: hand pulling/ hand digging, hand wicking,
foliage spray, cut & paint, bundle-cut-paint

45. Thank You!