Question: Are Festuca and Ochna in the same family?
Context: Meromyza triangulina is a species of fly in the family Chloropidae, the grass flies.  It is found in the Palearctic .  The larva feeds on "Festuca ovina" L and "Festuca rubra" L. Ochna integerrima or Ochna ( ), popularly called the Vietnamese mickey-mouse plant (Vietnamese: "hoa mai" , "hoàng mai", although these names also refer to Prunus mume), is a tree species (sometimes shrub) of the family Ochnaceae.  The yellow flowers of this plant make it very popular in southern Vietnam, where the plant is purchased during Tết. Festuca (fescue) is a genus of flowering plants belonging to the grass family, Poaceae (subfamily Pooideae).  They are evergreen or herbaceous perennial tufted grasses with a height range of 10 - and a cosmopolitan distribution, occurring on every continent except Antarctica.  The genus is closely related to ryegrass ("Lolium"), and recent evidence from phylogenetic studies using DNA sequencing of plant mitochondrial DNA shows that the genus lacks monophyly.  As a result, plant taxonomists have moved several species, including the forage grasses tall fescue and meadow fescue, from the genus "Festuca" into the genus "Lolium". Festuca gautieri, commonly known as spiky fescue or bearskin fescue, is a species of flowering plant in the grass family, Poaceae, native to the Pyrenees.  It is a commonly cultivated evergreen or semi-evergreen herbaceous perennial, and, as a native to alpine areas, it is a small, low-growing "Festuca" suitable for rock gardens. Ochna serrulata (commonly known as the small-leaved plane, carnival ochna, bird's eye bush, Mickey mouse plant or Mickey Mouse bush due to the plant's bright-red sepals, which resemble the face of Mickey Mouse) is an ornamental garden plant of the Ochnaceae family which is indigenous to South Africa.  It is planted in southern African gardens and is an invasive species in Australia and New Zealand. Festuca heterophylla, the various-leaved fescue, is a species of perennial plant from Poaceae family that is native to southern Europe.  It is also grows in Asia, and in such US states as New York and Virginia. Festuca gigantea, or giant fescue, is a plant species in the Poaceae (grass family).  Because this and other members of "Festuca" subgenus "Schedonorus" have more in common morphologically with members of the genus "Lolium" than with "Festuca" and often produce fertile hybrids with other "Lolium" species, "Festuca gigantea" has been recently published as Lolium giganteum and then as Schedonorus giganteus .  Sources vary as to which placement is more acceptable. Ochna is a genus comprising 86 species of evergreen trees, shrubs and shrublets belonging to the family "Ochnaceae".  These species are native to tropical woodlands of Africa, the Mascarenes and Asia.  Species of this genus are usually called Ochnas, Bird's-eye bushes or Mickey-mouse plants, a name derived from the shape of the drupelet fruit.  The name of this genus comes from the Greek word "Ochne", used by Homer and meaning "wild pear", as the leaves are similar in appearance.  Some species, especially "Ochna serrulata" (bird's eye plant), are widely cultivated as decorative plants. Festuca valesiaca, Volga fescue, is a species of flowering plant in the Poaceae family.  It is native to Europe and Asia.  It was introduced to North America when it was deliberately planted.  There it can be found in such US states as Arizona, Kansas, Montana, Vermont and Wyoming. Festuca arvernensis (also known as Field fescue) is a species of perennial plant from Poaceae family.  It is native to France.  It can also be found in such US states as California and New Mexico.
Answer: no