Strombocactus disciformis is a rare species of cacti and the only species of the genus Strombocactus.
 The plant originates from Central and Northeast Mexico.
Calypso is a genus of orchids containing one species, Calypso bulbosa, known as the calypso orchid, fairy slipper or Venus's slipper.
 It is a perennial member of the orchid family found in undisturbed northern and montane forests.
 It has a small pink, purple, pinkish-purple, or red flower accented with a white lip, darker purple spottings, and yellow beard.
 The genus "Calypso" takes its name from the Greek signifying concealment, as they tend to favor sheltered areas on conifer forest floors.
 The specific epithet, "bulbosa", refers to the bulb-like corms.

Question: Are both Strombocactus and Calypso bulbosa both genus of plants ?
Answer: yes