Identify this weed ?

Apr 29, 2010 7 Replies

Could anyone identify this for me its popping up everywhere under my stone bedding there's loads of them ?


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Some species of horsetail

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It's a Equisetum arvense or Horsetail and is edible.

It's a Equisetum arvense or Horsetail and is edible.

Caution: TWikipedia

and it is both ancient and has 216 chromosomes, the highest I think found to date.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Somewhere between zone 5 and 6 tucked along the shore of Lake Michigan on the council grounds of the Fox, Mascouten, Potawatomi, and Winnebago

In message , snipped-for-privacy@wi.rr.com writes

Fide Wikipedia, the Adder's Tounge Fern has approximately 1,400 chromosomes (it's hard to count them when there's that many).

Tilia nobilis has 328 (abstract to C.D. Piggott, A Review of Chromosome Numbers in the Genus Tilia (Tiliaceae), Edinburgh Journal of Botany 59:

239-246 (2002))

In message , Stewart Robert Hinsley writes

Turns out that Wikipedia is inconsistent. Another page says 1,200 or

1,260 for Ophioglossum reticulatum - a particular species of Adder's Tongue Fern.

When the leaf blade is present, there is not always a spore stalk present, and the plants do not always send up a leaf, sometimes going for a year to a period of years living only under the soil,

nourished by association with soil fungi.

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soil fungi apparently arn't Ayn Rander, neo-liberal, free-market types;O)

Fun aside, it is really very fascinating.

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