Posted: 22/04/2014 at 06:55
Autumn , of course it's your garden to do as you wish with.
However, even articles on the internet can contain mistaken information - I see that the link you've given us refers to this plant as 'Mares tail' and as you've told us, that's wrong ...........
The naming of plants is a minefield - people named plants before names were ever written down. This is why the Linnaean system and the taxonomies that developed from it are so widely used to avoid confusion - every plant has a recorded Latin name.
However this does not mean that regional common names are 'mistakes' - they are colloquial names and have validity and value - for example, English literature would be so much poorer without the traditional regional names for plants.
To return to the matter in hand, you have told us that you still have Horsetail infesting your garden, so I take it that the techniques you advocate have not yet worked.
Several others have written of their personal experience of establishing an acceptable degree of control using glyphosate.
In gardening there are many paths ............................