Question: What are both Dichondra and Peperomia?

Context articles: Peperomia argyreia
List of Peperomia diseases
Dichondra
Peperomia tetraphylla
Peperomia
Dichondra repens
Peperomia blanda
Peperomia alata
Peperomia wheeleri
Peperomia caperata

Peperomia argyreia, the watermelon peperomia or watermelon begonia, is a species of plant in the Piperaceae family.
 Its native range is Bolivia, Brazil, Ecuador, and Venezuela.
This is a list of diseases that affect the genus "Peperomia" which includes radiator plant, baby rubber tree ("Peperomia obtusifolia"), emerald ripple peperomia ("Peperomia caperata") and others.
Dichondra is a small genus of flowering plants in the morning glory family, Convolvulaceae.
 They are prostrate, perennial, herbaceous plants, with creeping stems which take root readily at the leaf nodes.
 The flowers are white, greenish or yellowish, 2–3 mm diameter.
Peperomia tetraphylla, known as the acorn peperomia or four-leaved peperomia, is a small plant in the pepper family that grows in Australia, Asia, Africa, New Zealand, Lord Howe Island, and other islands in the Pacific Ocean.
 In New South Wales, it is often seen as an epiphyte or growing on rocks in rainforests. Tiny flowers form on a spike, at the end of the branchlets.
 The specific epithet "tetraphylla" is from the Ancient Greek language, meaning "four leaves".
Peperomia (radiator plant) is one of the 2 large genera of the Piperaceae family, with more than 1000 recorded species.
 Most of them are compact, small perennial epiphytes growing on rotten wood.
 More than 1500 species have been recorded, occurring in all tropical and subtropical regions of the world, though concentrated in Central America and northern South America.
 A limited number of species (around 17) are found in Africa.
Dichondra repens is a small, prostrate, herbaceous plant native to New Zealand and many parts of Australia.
 It is occasionally known as kidney weed in Australia and as Mercury Bay weed in New Zealand.
 Di (Latin) = two; chondros (Greek) = seed; repens (Latin) = creeping / crawling.
 Most commonly called dichondra in Australia.
Peperomia blanda, the arid-land peperomia, is a species of herb in the Piperaceae family.
 The species has a natural pan-tropical distribution that encompasses Asia, Africa, Australasia, Polynesia and the Americas.
 The species typically grows as a perennial, somewhat succulent herb to 30cm in height, though the form varies from prostrate and creeping to up to 60 cm tall depending on environment and genotype.
 The typical habitat is damp rock crevices and steep stream banks.
Peperomia alata, the winged peperomia, is a plant species found growing in swamps in Florida, West Indies, Central America, South America.
 In Florida, is apparently rare, known for certain only from Collier County.
Peperomia wheeleri is a rare species of flowering plant in the pepper family known by the common name Wheeler's peperomia.
 It is endemic to Puerto Rico, where it is known only from the island of Culebra.
 It has been become rare because of deforestation and grazing by livestock.
 It is a federally listed endangered species of the United States.
Peperomia caperata, the emerald ripple peperomia, is a species of flowering plant in the Piperaceae family, native to Brazil.
 It is a mound-forming evergreen perennial growing to 20 cm tall and wide, with corrugated heart-shaped leaves, and narrow spikes of white flowers 5 - long, in summer.