Katie Grzesiak
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Posts posted by Katie Grzesiak
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WOW This one is close! But... I'm going with cow parsnip. Hogweed certainly CAN be shorter than 7 ft, but it's usually pretty darn gigantic, and this just seems "pretty big." Check out this link for more specific info:
https://www.dec.ny.gov/animals/72766.html
You have some pretty indeterminate seeds, but I'd say overall they seem not-flat and heart-shaped. Leaves can be tricky, but those just don't seem quite ridiculous-looking enough.Interested in other opinions, though! It's definitely one of the trickiest I've seen.
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Native! This is horsetail (Equisetum), probably field horsetail (E. arvense). No worries about it being invasive, but it's definitely aggressive--and controlling it is pretty darn difficult, as it doesn't respond to most herbicides and grows like crazy. They're likely better off figuring out how to garden WITH it than against it.
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Looks like wild parsnip to me. Tell them to be cautious & rinse off; it can cause chemical burns!
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Mulberry, likely non-native (sometimes invasive) white mulberry, Morus alba.
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Thanks to an interested partner and the advice of experts from across the state (special thanks to DNR FRD, MDARD, and the Forestry Assistance Program), ISN created this quick reference guide regarding how firewood can be heat-treated to no longer bear the threat of moving invasive species.
See attached! The "Downloads" page wasn't working at the moment, but I'll put the PDF there as well soon.
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I haven't heard about them in the US, and would be pretty skeptical--with knotweeds sprouting through concrete and asphalt, and anecdotal evidence of even puncturing trailer tires (the landowner who told me that didn't get photos, I'm very upset), I would be REALLY impressed if they found a barrier that really worked.
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@Sarah LeSage or Jane Perrino or another aquatics person is probably best able to answer this, but it sure looks like the round gobies I've seen.
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Unfortunately, not really any updates. We've moved away from doing cut-stem and into doing injections due to the complications of disposal, but we've only been doing injections for about a year, and don't have much to report yet.
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Four of the images are indeed Japanese knotweed. The fifth (with flowers) is an invasive honeysuckle, likely Lonicera tartarica.
Killing knotweed on just the messenger's property likely won't work, as it shares a root system with the neighbor; they will need to work with their neighbor to manage the whole stand together.
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Definitely not hogweed, but I don't have a lot of guesses for what it could be either; ask for another photo once it's flowering?
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It's a very common cover-crop, and was recommended until very recently by all sorts of university and government entities.
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Hi Claire,
I AM subscribed, but I didn't get an email yet.
EDIT: I was just too fast.
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Hi Claire,
I AM subscribed, but I didn't get an email yet.
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FYI, this resource has moved here:
http://www.cal-ipc.org/resources/library/publications/herbicidesandwildlife/It now requires a basic "sign in" (contact info) so they can track who's using the resource.
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@Drew Rayner also has experience with swallowwort treatments.
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And Florida wonders why it has problems...
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In addition, it's something to be cautious about; rare plants can attract too many visitors, leading them to be "loved to death" or even vandalized. They're probably best off telling a local DNR office.
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The closest thing I can think of would be iNaturalist, which seems to be taking the ecology world by storm; it's not official, though, like MISIN, just a tracking app.
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See our posting on MISC here:
Or visit our website for the full job posting and application instructions
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The Invasive Species Seasonal Crew Leader and Crew Members (2) work with the Coordinator to implement the Great Lakes Restoration Initiative grant, which funds the position. Primary responsibilities working with partner organizations to control terrestrial invasive plants throughout the region, working with private land owners, and engaging volunteers.
Pay: $10-12/hr (crew), $12-14/hr (leader)
Deadline: 8am Monday, February 5Visit ISN's website for application instructions and to view the full job postings.
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Ok, I uploaded two doorhanger options from ISN, both with big blank spots on the back to slap a sticker on with your CISMA's info. They're in the Downloads section devoted to knotweed, or here:
We don't currently have permanent signage developed, but a winter project is to get more of our outreach materials up in the Downloads section!
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Thanks Fallon! If we're awarded the grant, we'll definitely be using this list.
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Luckily, there's not THAT MUCH bamboo statewide, but unfortunately that means not many of us have much experience with it. I'd say that guide from Clemson is pretty accurate (dig what you can, DON'T COMPOST, use herbicides), from what I know of bamboo issues, but perhaps @Phyllis Higman or @Drew Rayner have some other ideas, since we have the bamboo in West Michigan that we all saw at the field trip?
Good luck, share what you learn!
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Thanks Tyler!
boot brush station recommendations and signage
in Terrestrial Invasive Species
Posted
We have always purchased bootbrush station hardware as a kit; we've only found them through EnviroSigns and Best Exhibits, but I encourage you to keep searching (and let us know if you find someone else)! We've purchased them in some bulk (30-40) to keep costs low. If you only need one station, it might be worth making your own, but we've really appreciated the ready-to-assemble nature of the kits. I'm attaching our how-to-install document (from the Downloads section) to give you an idea of what all goes into a station--the kits just include the metal bits, hardware and/or sign, and we've purchased the lumber, gravel, etc. separately, though there may be more complete kits out there.
As for the sign itself, ISN made one that could be re-branded pretty easily with a 6x2" logo (or logos) in the upper left corner. It's also available in Downloads.
I believe PlayCleanGo also has a sign you could use and/or modify if KISMA is a partner.
Our total costs (sign printing, kit purchase, misc. supplies purchase) per station has been between $300 and $400, depending on how many we order; if only one is ordered, costs are likely to be significantly higher.
Good luck!