Four contained no Valeriana officinalis, the herbal source of valerian, and four had only about half the amount they were supposed to have.
4.
The larvae feed on withered or dry leaves of various herbaceous plants such as " Achillea millefolium ", " Valeriana officinalis ", " Filipendula ulmaria " and " Vaccinium myrtillus ".
5.
Although it is sometimes reported to have medicinal properties, there is no basis for this view, which is almost certainly due to confusion with true valerian, ( " Valeriana officinalis " ).
6.
Juniper scrub occurs on Windsor Hill itself, where it is associated with various other typical chalk shrubs and chalk grassland with an abundance of the moss " Pseudoscleropodium purum " and common valerian ( " Valeriana officinalis " ).
7.
There are, however, localised areas with poorer drainage and in which some lime-hating plants can be found the calcifuges-such as bracken " Pteridium aquilinum ", as well as plants associated with water-logged conditions such as common valerian " Valeriana officinalis " and wild angelica " Angelica sylvestris ".