Knotweed (unknown species) (Fallopia sp.) on Sep 13, 2009
Submitter does not have a specimen
EDRR Status: Local expert notified
Description of specimen
Clump is very visible because of its many blooms (In early Sept.). Obvious knotweed but not safe to stop on access ramp for better look.
Commentary
Expert Reviewer
Tania Siemens
WISE Program Coordinator (Watershed and Invasive Species Education)
Oregon Sea Grant Extension
Oregon State University
tania.siemens@oregonstate.edu
541-914-0701
Thanks again for your tireless work reporting knotweed! It is excellent to have all of these locations documented. I am notifying people who need to know as you submit your reports. Please keep it up! But, of course don’t forget to keep looking for all of the other high priority invasives in Lane County:
False Brome
Floating Primrose Willow
Garlic Mustard
Giant Hogweed
Kudzu
Lesser Celandine
Maltese Starthistle
Meadow Knapweed
New Zealand Mudsnail
Old Man's Beard
Orange Hawkweed
Purple Loosestrife
Shining Geranium
Spurge Laurel
Sulphur Cinquefoil
Yellow Flag Iris
Yellow Floating Heart
Yellow Flowered Hawkweeds
Yellow Starthistle
Zebra and Quagga Mussel
Thanks again for your EXCELLENT weed watching!
Tania Siemens
Western Oregon EDRR Coordinator
Early Detection and Rapid Response to Invasive Species
The Nature Conservancy
tania.siemens@oregonstate.edu
541-914-0701
Tania Siemens
Sept. 13, 2009, 10:51 p.m.