[MAIPC] Cuscuta Id Please?
Rod Simmons
Rod.Simmons at alexandriava.gov
Mon Jul 30 17:34:44 PDT 2018
Completely goofed up! I would be surprised if anyone in Maryland knew of healthy, sustainable populations of Toxicodendron pubescens remaining in the state, especially west of the Eastern Shore. Most folks have never even seen the plant, it’s that uncommon to rare in our region.
Such regs - of course no one follows them - are diametrically opposed to all the great conservation work by Maryland Biodiversity Project, MNPS, Maryland DNR Wildlife and Heritage Service, Maryland Botanical Heritage Work Group, Southern Maryland Sierra Club, Mattawoman Watershed Society, and many others.
On Jul 30, 2018, at 7:29 PM, Judy Fulton <jfulton5 at gmail.com<mailto:jfulton5 at gmail.com>> wrote:
Rod,
To back up what you're saying, Maryland lists all dodders (Cuscuta spp.) under its noxious weed seed regulations (COMAR 15.08.01.05: http://www.dsd.state.md.us/comar/comarhtml/15/15.08.01.05.htm<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.dsd.state.md.us%2Fcomar%2Fcomarhtml%2F15%2F15.08.01.05.htm&data=02%7C01%7CRod.Simmons%40alexandriava.gov%7Cbab3c7dcd97b4ed7a8c808d5f674562d%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C1%7C636685901893412118&sdata=bel2Lf4E0CdIWph4AdfQEWTRaFLtRPYEmjYU%2B3Dr0xY%3D&reserved=0>). Also, other natives are included in this COMAR section -- wild onion (Allium canadense), horse nettle (Solanum carolinense) and cocklebur (Xanthium strumarium).
The noxious weed regulations (COMAR 15.08.02.04: http://www.dsd.state.md.us/comar/comarhtml/15/15.08.02.04.htm<https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.dsd.state.md.us%2Fcomar%2Fcomarhtml%2F15%2F15.08.02.04.htm&data=02%7C01%7CRod.Simmons%40alexandriava.gov%7Cbab3c7dcd97b4ed7a8c808d5f674562d%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C1%7C636685901893422127&sdata=3DixHjmd24AD%2BA5ZNYUWJunCL%2B%2BFsaieyQv5Ihp5HPo%3D&reserved=0>) list "poison ivy or poison oak (Rhus spp.)" and nimblewill (Muhlenbergia schreberi). Plus this COMAR section doesn't distinguish between native and non-native species when it lists nutsedge (Cyperus spp.) and foxtail (Setaria spp.).
Judy
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Judith P. Fulton
Consultant & Educator, Native and Invasive Plants
Master Gardener, University of Maryland Extension
Chair, Maryland Invasive Species Council Subcommittee on Invasives Lists
410-337-3701
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On 7/30/2018 2:05 PM, Rod Simmons wrote:
Yes, some of this nonsense goes back to the USDA weed guide (written for farmers by Clyde Reed in the 1950s I think) where native plants like Rhus, Asclepias, Vitis, Solidago, etc., are all listed as weeds to be destroyed.
Of course, as you say, it’s far worse when natural lands managers are the ones doing this!
From: Erik Kiviat <kiviat at bard.edu><mailto:kiviat at bard.edu>
Sent: Monday, July 30, 2018 2:00 PM
To: Rod Simmons <Rod.Simmons at alexandriava.gov><mailto:Rod.Simmons at alexandriava.gov>
Cc: Mike Van Clef <mike.vanclef at gmail.com><mailto:mike.vanclef at gmail.com>; Kaufman, Sylvan <sylvan.kaufman at gmail.com><mailto:sylvan.kaufman at gmail.com>; MAIPC Board <maipc at lists.maipc.org><mailto:maipc at lists.maipc.org>; Rohrbaugh, Andrew <anrohrbaug at pa.gov><mailto:anrohrbaug at pa.gov>; Tom Zaleski <TZaleski at newark.de.us><mailto:TZaleski at newark.de.us>; Jil Swearingen <jilswearingen at gmail.com><mailto:jilswearingen at gmail.com>; McAvoy, William (DNREC) <William.McAvoy at state.de.us><mailto:William.McAvoy at state.de.us>; Moore, Gerry - NRCS, Greensboro, NC <Gerry.Moore at gnb.usda.gov><mailto:Gerry.Moore at gnb.usda.gov>; Lytton Musselman <lmusselm at odu.edu><mailto:lmusselm at odu.edu>; Kirsten Johnson <kirsten2622 at comcast.net><mailto:kirsten2622 at comcast.net>; Weakley, Alan <weakley at bio.unc.edu><mailto:weakley at bio.unc.edu>
Subject: Re: [MAIPC] Cuscuta Id Please?
Good point, Rod - I agree wholeheartedly!
I have heard of managers whacking, or almost whacking, plants that were or were very likely native species (dodder, Phragmites, a thistle, a climbing Polygonum).
Erik
On Mon, Jul 30, 2018 at 1:55 PM, Rod Simmons <Rod.Simmons at alexandriava.gov<mailto:Rod.Simmons at alexandriava.gov>> wrote:
Hi all,
Again, a word of caution to not target native Dodder (Cuscuta spp.) species. They are valuable native plants despite how they might appear to the subjective aesthetics of humans. As with Best Management Practices regarding the control all non-native invasive plant species, a plant should not be removed/treated unless identification is 100% certain that it’s a non-native.
Delaware lists C. epilinum on its weed list (attached).
Thanks,
___________________________
Rod Simmons
Natural Resource Manager / Plant Ecologist
Natural Resources Division
Department of Recreation, Parks & Cultural Activities
City of Alexandria, Virginia
2900-A Business Center Drive
Alexandria, VA 22314
office phone: 703.746.4651
mobile phone: 703.930.8972
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From: MAIPC <maipc-bounces at lists.maipc.org<mailto:maipc-bounces at lists.maipc.org>> On Behalf Of Erik Kiviat
Sent: Monday, July 30, 2018 1:29 PM
To: Mike Van Clef <mike.vanclef at gmail.com<mailto:mike.vanclef at gmail.com>>
Cc: MAIPC Board <maipc at lists.maipc.org<mailto:maipc at lists.maipc.org>>
Subject: Re: [MAIPC] Id Please?
Hello Mike, et al.
The dodder I collected at the Kane Natural Area (now mitigation bank) in Carlstadt about 10 yr ago was C. japonica. It has apparently not been seen again there, but who knows. We also found this in 2015 in the Berry's Creek study area not too far away.
As I recall, the first specimen keyed out to C. umbrosa because japonica was not in the keys we had (the usual northeastern floras). There may be a more cosmopolitan Cuscuta key on the Web (?).
If you have a putative umbrosa or japonica specimen, you could ask Mihai Costea <costea at wlu.ca<mailto:costea at wlu.ca>> if he would be willing to look at it - he's a world class dodderologist. You will need a good flowering specimen.
I would not be at all surprised to find C. japonica elsewhere in NJ. FYI, both our Meadowlands specimens had purplish stems rather than the usual doddery yellow or orange.
Best, Erik
From: MAIPC <maipc-bounces at lists.maipc.org<mailto:maipc-bounces at lists.maipc.org>> On Behalf Of Mike Van Clef
Sent: Monday, July 30, 2018 1:19 PM
To: Kaufman, Sylvan <sylvan.kaufman at gmail.com<mailto:sylvan.kaufman at gmail.com>>; Kiviat, Erik <kiviat at bard.edu<mailto:kiviat at bard.edu>>
Cc: MAIPC Board <maipc at lists.maipc.org<mailto:maipc at lists.maipc.org>>
Subject: Re: [MAIPC] Id Please?
I may or may not just be adding confusion, but Erik Kiviat found an interesting dodder in the New Jersey Meadowlands about a decade ago. I do not think it was persistent?
Cuscuta umbrosa
The NJ Strike Team lists C. japonica as a "Watch" species.
-Mike
Michael Van Clef, Ph.D.
Stewardship Director, Friends of Hopewell Valley Open Space
Program Director, New Jersey Invasive Species Strike Team
Principal, Ecological Solutions, LLC
Office: 609-730-1560
Mobile: 908-528-6674
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Michael Van Clef, Ph.D.
Stewardship Director, Friends of Hopewell Valley Open Space
Program Director, New Jersey Invasive Species Strike Team
Principal, Ecological Solutions, LLC
Office: 609-730-1560
Mobile: 908-528-6674
On Mon, Jul 30, 2018 at 1:13 PM Mike Van Clef <mike.vanclef at gmail.com<mailto:mike.vanclef at gmail.com>> wrote:
I may or may not just be adding confusion, but Erik Kiviat found an interesting dodder in the New Jersey Meadowlands about a decade ago. I do not think it was persistent?
Cuscuta umbrosa
The NJ Strike Team lists C. japonica as a "Watch" species.
-Mike
Michael Van Clef, Ph.D.
Stewardship Director, Friends of Hopewell Valley Open Space
Program Director, New Jersey Invasive Species Strike Team
Principal, Ecological Solutions, LLC
Office: 609-730-1560
Mobile: 908-528-6674
On Sun, Jul 29, 2018 at 12:14 PM Sylvan Kaufman <sylvan.kaufman at gmail.com<mailto:sylvan.kaufman at gmail.com>> wrote:
I don't think Japanese dodder has been reported further north than South Carolina on the east coast so far (see https://www.cabi.org/isc/datasheet/17116<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.cabi.org%2Fisc%2Fdatasheet%2F17116&data=02%7C01%7Crod.simmons%40alexandriava.gov%7C05daab32f3a44559f47a08d5f640a32d%7Cfeaa9b3143754aeeadccc76ad32a890b%7C0%7C0%7C636685679845344284&sdata=pDP4wC7TEV6agz4F9XhexjVrAeu24rnYsqwN%2B2I63No%3D&reserved=0>). If you look at photos of it in CA, it covers entire shrubs and trees unlike the native dodders. Otherwise it is hard to tell it apart from the native dodders as it sometimes doesn't flower and can only be distinguished using DNA analysis.
Sylvan
On Sun, Jul 29, 2018 at 10:03 AM Marian Orlousky <morlousky at appalachiantrail.org<mailto:morlousky at appalachiantrail.org>> wrote:
Does anyone know much about the distribution of Japanese dodder? When in NJ a few years back, with a field biologist from the NYNJ Trail Conference, she indicated the Cuscuta we were seeing in a wetland area was invasive. I don't see this very often but I did just spot it in Harriman State Park in NY this past week. Wishing I had taken a closer look.
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From: MAIPC <maipc-bounces at lists.maipc.org<mailto:maipc-bounces at lists.maipc.org>> on behalf of Rohrbaugh, Andrew <anrohrbaug at pa.gov<mailto:anrohrbaug at pa.gov>>
Sent: Friday, July 27, 2018 11:11:33 AM
To: Rod Simmons; Jonathan Duffy
Cc: <maipc at lists.maipc.org<mailto:maipc at lists.maipc.org>>
Subject: Re: [MAIPC] Id Please?
Agreed, they're very, very difficult to identify to species (you need fruits and flowers and a very fine ruler!)
Andrew Rohrbaugh | Botanist
Pennsylvania Department of Conservation & Natural Resources
Bureau of Forestry | Ecological Services Section
PO Box 8552, 400 Market St, Harrisburg, PA 17105-8552
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-----Original Message-----
From: MAIPC [mailto:maipc-bounces at lists.maipc.org] On Behalf Of Rod Simmons
Sent: Friday, July 27, 2018 11:07 AM
To: Jonathan Duffy <jrd at kinlochfarm.com<mailto:jrd at kinlochfarm.com>>
Cc: <maipc at lists.maipc.org<mailto:maipc at lists.maipc.org>> <maipc at lists.maipc.org<mailto:maipc at lists.maipc.org>>
Subject: Re: [MAIPC] Id Please?
It’s Cuscuta - a valuable native species. Probably C. campestre.
Sent from my iPhone
> On Jul 27, 2018, at 11:05 AM, Jonathan Duffy <jrd at kinlochfarm.com<mailto:jrd at kinlochfarm.com>> wrote:
>
> Any idea what this might be? It is very localized and along a drainage ditch.
>
> Thanks, Jonathan Duffy
>
>
> <IMG_0748.jpeg><IMG_0752.jpeg>
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