For example, the blackcurrant flavour variant includes elderberry juice extract. Two commonly produced varieties are elderberry wine and dandelion wine. Shrubs such as Oregon grape, honeysuckle, blue elderberry, and Pacific poison oak also grow here. Both flowers and berries may be made into elderberry wine. Hollowed elderberry twigs have traditionally been used as spiles to tap maple trees for syrup. Shrub species found in the park include Rhododendron, elderberry, blackberry, laurel and ivy. Elderberry twigs and fruit are employed in creating dyes for basketry. Cornish apple elderberry dumplings are another local dish. Romani people use elderberry to treat the flu. His treatment involves palliative drugs washed down with homemade elderberry wine. The various species are commonly called elder or elderberry. A wine made from elderberry flowers is called "elder blow wine". Bamboo and elderberry are also used as camouflage companion plants. Numerous rare plants and animals are found here, including Black Bear, Red Elderberry and Hobblebush. Castaic Lake is bisected by the Elderberry Forebay Dam, which creates the adjacent Elderberry Forebay.