Lithocarpus encleisocarpus is a tree in the beech family Fagaceae.
 The specific epithet "encleisocarpus " is from the Greek meaning "enclosed fruit", referring to the acorns and cupules.
Lithocarpus elegans is a tree in the beech family Fagaceae.
 The specific epithet "elegans " is from the Latin meaning "elegant", referring to the acorns and cupules.
Lithocarpus formosanus is a species of tree in the Fagaceae family.
 "L. formosanus" is a medium-sized tree with crooked trunk and many branches.
 It is endemic to Taiwan as it only occurs in the Hengchun Peninsula in the extreme south of the country.
 It grows in mixed mesophytic forests at altitudes of 100 - .
 Only single population of fewer than 50 individuals survives.
Epiphyllum ( ; "upon the leaf" in Greek) is a genus of 19 species of epiphytic plants in the cactus family (Cactaceae), native to Central America.
 Common names for these species include climbing cacti, orchid cacti and leaf cacti, though the latter also refers to the genus "Pereskia".
Lithocarpus is a genus in the beech family Fagaceae, differing from "Quercus" in the erect spikes of insect-pollinated male flowers and the short styles with punctate stigmas on the female flowers.
 The World Checklist (see link below) accepts 334 species, though some other texts suggest as few as 100 species.
 About 100 Asian species of the genus were formerly treated in the genus "Pasania".
 All are native to east and southeast Asia.
 These Asian species do not have a well-known English vernacular name, though the generic term stone oak has been proposed.
Lithocarpus echinifer is a tree in the beech family Fagaceae.
 The specific epithet "echinifer " is from the Latin meaning "having straight spines", referring to the cupule.
Lithocarpus dasystachyus is a tree in the beech family Fagaceae.
 The specific epithet "dasystachyus " is from the Greek meaning "thickly hairy spike", referring to the inflorescence.
Lithocarpus daphnoideus is a tree in the beech family Fagaceae.
 The specific epithet "daphnoideus " is from the Greek meaning "like Daphne", referring to the genus "Daphne" and its leaves.
Lithocarpus echinulatus is a tree in the beech family Fagaceae.
 The specific epithet "echinulatus " is from the Latin meaning "having short spines", referring to the cupule.
Disocactus phyllanthoides, the nopalxochitl or German empress, is a species of flowering plant in the cactus family Cactaceae and is commonly grown as an ornamental houseplant.
 It is one of the three major species involved in creating the widely grown epiphyllum hybrids or "epis".
 The others are "Disocactus speciosus" and "Epiphyllum crenatum".

Question: Are Lithocarpus and Epiphyllum in the same family?
Answer: no