yes it is there are different types of Hemlock trees
No, "hemlock" is a common noun referring to a type of plant.
Eastern Hemlock Trees are some of the largest and most common trees in the park. They are under attack from a non-native insect called the hemlock woolly adelgid. Without successful intervention, the hemlock woolly adelgid is likely to kill most of the hemlock trees in the park.
Hemlock Tree
There are around a dozen species, and a number of hybrids of Tsuga canadensis, the Eastern Hemlock.
Hemlock tree are in the genus Tsuga, and there are several species. The Eastern Hemlock is called Tsuga canadensis, the Western Hemlock is called Tsuga heterophylla. There are several other species.
Because of the parent trees
Pine, juniper and hemlock.
There are many types of hemlock. Conium consists of two species, both of which are toxic. Water Hemlock and Hemlock Water Dropwort are both also poisonous. However, Hemlock (Tsuga) is the genus name of a type of coniferous trees, which are not toxic.
Hackberry and Hickory are trees. Hawthorn and Hemlock are trees.
as for trees there are the Western hemlock, sitka spruce, and the cedar tree
The trees that they are made from are multicellular.