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It is a type of plant known as a clubmoss, which is within one of the three main divisions of living vascular plants. It was formerly included in the superspecies Diphasiastrum complanatum. For many years, this species was known as Lycopodium flabelliforme or Lycopodium digitatum. [2] [3]
Cockchafer feeds on deciduous plant and fruit tree leaves, including oaks, maple, sweet chestnut, beech, plum, and walnut trees. The feeding behaviour of larvae can cause severe damage to the plants. They feed on both the small roots of field plants such as grain, grass, tree, beet roots and the large part of crop rootlets.
Agrilus biguttatus prefers to reside in old oak trees of 30-40 cm in diameter [6] with an inner bark thickness of 10-13 mm. [9] While healthy trees can generally resist A. biguttatus infestations, female beetles tend to live in trees that are physiologically stressed, often as a result of drought conditions.
Inonotus dryadeus is a parasitic saprobic fungus, [1] with spores entering wounds on broadleaf trees (predominantly oak, although sometimes maple, elm and chestnut). [4] The fungus is primarily a root decay fungus, rotting the below−ground parts of roots. Detection is often difficult if the conks have not developed.
The common spangle gall on the underside of leaves and the currant gall on the male catkins or occasionally the leaves, develop as chemically induced distortions on pedunculate oak (Quercus robur), or sessile oak (Quercus petraea) trees, caused by the cynipid wasp [1] Neuroterus quercusbaccarum which has both agamic and bisexual generations.
"Oak trees are great in the landscape, but its leaves, its acorns and its seedlings drive me nuts in my garden. Tallamy glosses over that a lot of native plants are not suitable for urban landscapes."
Platypus cylindrus, commonly known as the oak pinhole borer, is a species of ambrosia beetle in the weevil family Scolytinae. The adults and larvae burrow under the bark of mature oak trees. The adults and larvae burrow under the bark of mature oak trees.
A survey of giant redwoods growing in the UK reveals the trees are doing well - and growing fast. Giant redwoods: World’s largest trees 'thriving in UK' Skip to main content