Plants named in 1972

Callitris pancheri is a plant species of the family Cupressaceae. It is endemic to New Caledonia, where it occurs in small, scattered population along rivers. It used to be placed in its own genus Neocallitropsis but molecular phylogenetic analysis indicated that it was nested within Callitris, but only when the New Caledonian species C. sulcata (to which it is most closely related) is included. It is an evergreen coniferous tree growing to 2–10 metres (7–33 ft) tall. The leaves are awl-shaped, 1 centimetre (0.4 in) long, arranged in eight rows in alternating whorls of four; in overall

Gomortega keule (syn. G. nitida; Spanish names keule, queule, and hualhual) is a species of tree endemic to Chile. It is the sole species of the genus Gomortega and, according to the APG IV system of 2016 (unchanged from the APG systems of 2009, 2003 and 1998), of the monotypic family Gomortegaceae, assigned to the order Laurales in the clade magnoliids.

Alpinia zerumbet, commonly known as shell ginger among other names, is a perennial species of ginger native to East Asia. The plants can grow up to 2.5 to 3 meters (8 to 10 ft) tall and bear colorful funnel-shaped flowers. They are grown as ornamentals and their leaves are used in cuisine and traditional medicine.

Scirpoides holoschoenus is a species of perennial sedge in the family Cyperaceae, commonly called the roundhead bulrush. It has a self-supporting growth form and simple, broad leaves. They are associated with freshwater habitat. Individuals can grow to 0.75 m.

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Idiospermum is a monotypic genus (that is, a genus that contains only one species) in the family Calycanthaceae. The sole included species is Idiospermum australiense − commonly known as ribbonwood, dinosaur tree, or the misnomer idiotfruit − which is found only in two small areas of the tropical rainforests of northeastern Queensland, Australia. It has the largest seed embryo of any flowering plant, and is the only flowering plant with more than two cotyledons. It is a relic of the ancient forests of Gondwana, surviving in very localised refugia for 120 million years, and displaying features

Amesiella is a genus of orchids endemic to the Island of Luzon, in the Philippines.

Salvinia molesta is commonly known as giant salvinia, or kariba weed, after it infested a large portion of Lake Kariba between Zimbabwe and Zambia. It is a free-floating aquatic fern, with fronds that are 0.5–4 centimetres (0.20–1.6 in) long and broad, with a bristly, waterproof surface caused by the hair-like strands that join at the end to form eggbeater shapes. The fronds are produced in pairs with a third modified root-like frond that hangs in the water. Though native to south-eastern Brazil, it has been accidentally introduced or escaped to countless lakes throughout the United States,

Schoeneoplectus californicus is a species of sedge known by the common names California bulrush, southern bulrush and giant bulrush. It is also sometimes called "tule", but the closely related Schoenoplectus acutus is the species most often referred to by that name.

Porellales is an order of liverworts.

Brachypeza, commonly known as sage orchids, is a genus of flowering plants from the orchid family, Orchidaceae. Orchids in this genus have short stems with fleshy leaves and arching flowering stems with short-lived flowers. The sepals and petals are similar in size and shape and the labellum is pouch-like and suspended at the base of the flower. Sage orchids occur in tropical areas from Indochina to New Guinea.

Brodiaeoideae are a monocot subfamily of flowering plants in the family Asparagaceae, order Asparagales. They have been treated as a separate family, Themidaceae. They are native to Central America and western North America, from British Columbia to Guatemala. The name of the subfamily is based on the type genus Brodiaea. In molecular phylogenetic analyses, Brodiaeoideae is strongly supported as monophyletic. It is probably sister to Scilloideae. Recent treatments have divided Brodiaeoideae (or Themidaceae) into 12 genera. The monophyly of several of the genera remains in doubt. As currently

Ptilidiales is an order of liverworts.

Fossombroniales is an order of liverworts.

Adelanthaceae is a family of liverworts belonging to the order Jungermanniales. Genera: (with how many species per genus) Adelanthus Mitt. – 11 spp. Cuspidatula Steph. – 7 spp. Denotarisia Grolle – 1 sp. Jamesoniella (Spruce) Carrington – genus no longer accepted Nothostrepta R.M.Schust. – 2 spp. Pisanoa Hässel – 1 sp. Protosyzygiella (Inoue) R.M.Schust. – 1 sp. Pseudomarsupidium Herzog – 5 spp. Syzygiella Spruce – 56 spp. Vanaea (Inoue & Gradst.) Inoue & Gradst. – 1 sp. Wettsteinia Schiffn. – 4 spp.

Widdringtonia nodiflora (mountain cypress) is a species of Widdringtonia native to Southern Africa. It usually grows at high altitudes, typically among rocks on mountainsides. Its foliage and wood are highly flammable while its natural habitat is prone to fire. To compensate, the species will coppice from its roots after being burnt down.

Itaya amicorum is a medium-size fan palm that is native to Brazil, Colombia and Peru. It is the only species in the genus Itaya. It was unknown to science until 1972, when it was discovered on the bank of the Itaya River in the Peruvian Amazon.

Ambavia is a genus of flowering plants belonging to the family Annonaceae. Its native range is Madagascar.

Acritopappus is a genus of flowering plants in the family Asteraceae described as a genus in 1972. The entire genus is endemic to Brazil.

Triticum urartu, also known as red wild einkorn wheat, and a form of einkorn wheat, is a grass species related to wheat, and native to western Asia. It is a diploid species whose genome is the A genome of the allopolyploid hexaploid bread wheat Triticum aestivum, which has genomes AABBDD.

Thyridolepis is a genus of Australian plants in the family Poaceae.

Melocactus glaucescens is a species of plant in the family Cactaceae. It is endemic to Brazil. Its natural habitats are rocky areas and hot deserts. It is threatened by habitat loss. Melocactus glaucescens is identified by its glaucous appearance and its often whitish-yellow cephalium. The color of its cephalium varies slightly based on population.

Justicia californica is a deciduous species of flowering shrub native to the deserts of southern California, southern Arizona, and northern Mexico. Its common names include beloperone, chuparosa (from the Spanish: chuparrosa for hummingbird) and hummingbird bush. It can grow to 1.5 metres (5 feet) in height and almost as wide. For a short time it bears succulent leaves about 1.5 centimetres (5⁄8 inch) in width. It loses its leaves and then produces plentiful tubular flowers about 2.5–4 cm (1–1+5⁄8 in) long between February and June. These are usually in shades of bright to deep red, or

Frailea mammifera is a species of Frailea from Bolivia and Argentina. It is a small cactus. It blooms with a flower that is larger than the plant.

Cypholoron is a genus of flowering plants from the orchid family, Orchidaceae. It contains only two known species, both native to South America. Cypholoron convexum Schuit. & de Vogel - Venezuela Cypholoron frigidum Dodson & Dressler - Ecuador

Cronquistianthus is a genus of shrubs native to the Andes in Colombia, Ecuador, and Peru. The genus is named after the American botanist Arthur John Cronquist (1919–1992). Species

Ayapanopsis is a genus of flowering plants in the family Asteraceae. Species of the genus Ayapanopsis are native to the Andes of South America, from southern Colombia to Argentina. Species

Alomiella is a genus of flowering plants in the family Asteraceae, described as a genus in 1972. The genus is endemic to the State of Mato Grosso in Brazil. Species Alomiella hatschbachii R.M.King & H.Rob. - Mato Grosso Alomiella regnellii (Malme) R.M.King & H.Rob. - Mato Grosso

Allium membranaceum is an uncommon species of wild onion known by the common name papery onion. It is endemic to California, where it grows in wooded areas in the southernmost Cascade Range, the northern Coast Ranges, and the Sierra Nevada foothills from Tulare County to Humboldt County. It is found on wooded slopes at elevations of 200–1400 m. Allium membranaceum grows from an egg-shaped bulb up to 1.7 cm long which is sometimes associated with a cluster of smaller bulbs. The stem reaches a maximum height near 40 centimeters and there are two or three long, flat leaves about the same length.

Trichogoniopsis is a genus of Brazilian plants in the tribe Eupatorieae within the family Asteraceae. Species Trichogoniopsis adenantha (DC.) R.M.King & H.Rob. - Brazil (Minas Gerais, São Paulo, Bahia, Mato Grosso, Ceará, Paraná, Rio de Janeiro, Espírito Santo) Trichogoniopsis grazielae Soar.Nunes - Brazil (Pernambuco) Trichogoniopsis morii R.M.King & H.Rob. - Brazil (Bahia) Trichogoniopsis podocarpa (DC.) R.M.King & H.Rob. - Brazil (Rio de Janeiro)