Question: Dasylirion and Arabis are both geniuses of what? 

Context articles: HMNZS Arabis (K385)
Arabis
Arabis hirsuta
Superbabies: Baby Geniuses 2
Arabis mosaic virus
HMS Arabis (K73)
Arabis caucasica
HMS Arabis (1915)
HMS Arabis
Dasylirion

HMNZS "Arabis was a modified Flower-class corvette of the Royal New Zealand Navy (RNZN).
 Built for the Royal Navy as HMS "Arabis, she was transferred to the RNZN on completion.
 She was commissioned in 1944 and decommissioned in 1948.
Arabis , or rockcress, is a genus of flowering plants, within the family Brassicaceae, subfamily Brassicoideae.
Arabis hirsuta, known as hairy rock-cress, is a flowering plant of the genus "Arabis" in the family Brassicaceae.
 In previous North American works, it has been broadly defined to include plants native to Europe, Asia, and the northern half of North America, but is now more often restricted to a narrower subgroup restricted to Europe.
Superbabies: Baby Geniuses 2 (also known as Baby Geniuses 2: Superbabies or simply Baby Geniuses 2) is a 2004 American science fiction family comedy film directed by Bob Clark and written by Gregory Poppen, from a story by Steven Paul.
 The sequel to the 1999 film "Baby Geniuses", the film stars Jon Voight, Scott Baio, and Vanessa Angel.
 Following the events of the first film, four babies can communicate with each other using 'baby talk', and have knowledge of many secrets.
 The baby geniuses become involved in a scheme by media mogul Bill Biscane, later revealed to be known as Kane, who kidnaps children everywhere.
 Helping the geniuses is a legendary super-baby named Kahuna who stops Biscane's plots and saves children from being kidnapped by Biscane and his minions.
 He joins up with several other babies in an attempt to stop Biscane, who intends to use a state-of-the-art satellite system to control the world's population by brainwashing them and forcing people to not be active and watch TV the rest of their lives.
Arabis mosaic virus is a viral plant pathogen that is known to infect multiple hosts.
 The pathogen, commonly referred to as ArMV, is from the Secoviridae family, and it causes Raspberry yellow dwarf virus and Rhubarb mosaic virus.
 The Arabis Mosaic Virus infects multiple hosts, including strawberries, hop, hemp, grape and geraniums, raspberries, sugarbeets, celery, horseradish, lilac, peach and lettuces.
HMS "Arabis was a Flower-class corvette of the Royal Navy.
 Originally ordered for the French Navy in the early days of the war, the ship was commissioned into the Royal Navy as HMS "Arabis".
 She was transferred to the United States Navy in 1942, serving as USS "Saucy.
 Returned to the United Kingdom in 1945, she was recommissioned into the Royal Navy as HMS "Snapdragon".
Arabis caucasica is a species of flowering plant in the mustard family (Brassicaceae) known by the common names garden arabis, mountain rock cress or Caucasian rockcress.
 It is native to south eastern Europe and the Mediterranean.
HMS "Arabis" was an "Arabis"-class sloop of the Royal Navy.
 She had a brief career, serving during the First World War.
Three ships of the Royal Navy have borne the name HMS "Arabis", after the flower, the Arabis.
Dasylirion is a genus of North American plants in the asparagus family, all native to Mexico, with the ranges of three species also extending into the southwestern United States.
 In the APG III classification system, it is placed in the family Asparagaceae, subfamily Nolinoideae (formerly the family Ruscaceae).