Arthur Hugh Garfit Alston

Syzygium jambos is a species of rose apple originating in Southeast Asia and occurring widely elsewhere, having been introduced as an ornamental and fruit tree.

Syzygium aqueum is a species of brush cherry tree. Its common names include watery rose apple, water apple and bell fruit, and jambu in Malay and several Indian languages. The tree is cultivated for its wood and edible fruit. The fruit is a fleshy, whitish-pinkish to yellowish-pinkish or red berry which is bell-shaped, waxy and crisp. Syzygium aqueum is native to tropical Asia and Queensland. The tree requires heavy rainfalls and can survive in tropical habitats, up to 1600m above sea level. In the Philippines, it is locally known as tambis and is often confused with macopa (Syzygium

The Lomariopsidaceae is a family of ferns with a largely tropical distribution. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder Polypodiineae (eupolypods I) of the order Polypodiales. Alternatively, it may be treated as the subfamily Lomariopsidoideae of a very broadly defined family Polypodiaceae sensu lato.

The Athyriaceae (ladyferns and allies) are a family of terrestrial ferns in the order Polypodiales. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder Aspleniineae, and includes two genera. Alternatively, it may be treated as the subfamily Athyrioideae of a very broadly defined family Aspleniaceae. The family has a cosmopolitan distribution.

Cyphostemma is a flowering plant genus in the family Vitaceae, with around 250 species distributed throughout the tropics and subtropics. These species are caudiciform and used to belong to the genus Cissus. The genus name comes from Greek kyphos, meaning hump, and stemma, meaning garland. Within the Vitaceae, Cyphostemma is most closely related to Cayratia and Tetrastigma. All species of Cyphostemma were once included in the genus Cissus but are now considered to be distinct.

Cochlospermum religiosum is a flowering plant from the tropical region of Southeast Asia and the Indian subcontinent. It is a small tree growing to a height of 7.5 m (25 ft) usually found in dry deciduous forests. The name religiosum derives from the fact that the flowers are used as temple offerings. It is also known as silk-cotton tree because the capsules containing the seeds have a fluffy cotton-like substance similar to kapok. Another common name is buttercup tree because its yellow and bright flowers look like large-sized buttercups. In Theravada Buddhism, this plant is said to have

Syzygium caryophyllatum is a species of plant in the family Myrtaceae. It is a tree native to Sri Lanka and southern India. It grows in areas from sea level to elevations of 1,160 m (3,810 ft). In India it is found in the states of Kerala, Karnataka, Goa and Tamil Nadu. The fruit is edible. The local name in Karnataka is Kuntala/Kuntu Nerale.

Ailanthus triphysa (also Ailanthus malabarica), ferntop ash, is a medium to tall evergreen rainforest tree that is native to Asia and Australia. The wood is used for matchwood and plywood. The tree is known as halmaddi in India, where its resin, also called halmaddi, may be used in incense. Inappropriate extraction methods were resulting in trees dying, thus by the 1990s the Indian forestry department had banned extraction.

Canthium coromandelicum, also known as Karai, is a bushy thorny suffruticose herb, a native of India found mainly in the Coromandel region.

Phoenicanthus is a genus of flowering plants belonging to the family Annonaceae. Its native range is Sri Lanka. Species: Phoenicanthus coriacea (Thwaites) H.Huber Phoenicanthus obliquus (Hook.f. & Thomson) Alston

Chonemorpha fragrans, the frangipani vine or climbing frangipani, is a plant species in the genus Chonemorpha. It is a vigorous, generally evergreen, climbing shrub producing stems 30 m (98 ft) or more long that can climb to the tops of the tallest trees in the forests of Southeast Asia. It has scented, white flowers and large shiny leaves. It is native to China, India (the Himalayas), Indonesia, Malaysia, Myanmar, Sri Lanka and Thailand. It is very commonly used in Ayurveda (an Indian traditional medicine) and it is also cultivated mostly worldwide in frost-free places.

Tetrastigma leucostaphylum, the Indian chestnut vine, is a flowering plant in the family Vitaceae. It is native to Sri Lanka, India, Nepal and South East Asia.

Stylosanthes fruticosa (syn. Arachis fruticosa), the African stylo, wild lucerne or shrubby pencil‑flower, is a species of flowering plant in the family Fabaceae. It is native to Cape Verde, sub-Saharan Africa, Madagascar, the Arabian Peninsula, India, Sri Lanka and Myanmar, and has been introduced to Hawaii. Relished by livestock, it can survive light shade, acid soils and even light frosts. It grows from sea level to 2,000 m (6,600 ft) on as little as 300 mm (12 in) of rain per year.

Psychotria dubia is a species of plant in the family Rubiaceae. It is endemic to Sri Lanka.

Cassipourea malosana is a species of plant native to tropical Africa.

Bolbitis heudelotii, also known as the African water fern, creeping fern, and Congo fern, is native to subtropical and tropical Africa, from Ethiopia west to Senegal; and down to northern South Africa.

Vateria copallifera is a species of flowering plant in the family Dipterocarpaceae. It is a tree native to Sri Lanka and Tamil Nadu in southern India. In Sri Lanka it grows in the lowland evergreen rain forests of southwestern Sri Lanka on river banks and along rivulets. Fruits have a bitter taste. Traditionally people in the surrounding villages of the tree growing areas collect fruits for preparation of various food items including one of famous food called 'Hal Guti'. A preparation made from this tree is used in preserving traditional manuscripts written on palm leaves. The species was

Syzygium hemisphericum is a flowering plant species in the family Myrtaceae, commonly called the hemispheric rose-apple. It is also known as teal-naval, vellanara, vellai-naval, goljamb, vennaval, redi jambul, makki nerale, payanjaval, vennjara, vellanjara, ven-nyara, venjara, tholnjaval, venyara and kaadu pannerale. This plant grows in abundance in the Western Ghats of India. It is also found in South and Central Maharashtra, Sahyadris, and Sri Lanka. It prefers evergreen and shola forests.

Rourea minor is a large scandent shrub from the family Connaraceae. It has been recorded from Africa, tropical Asia and the Pacific.

Pleurostylia opposita is a species of shrub in the family Celastraceae. It is distributed throughout India, Indonesia, Malaysia, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam, Australia and China.

Limnophila aquatica, known commonly as the giant ambulia, is a plant belonging to the family Plantaginaceae. Limnophila aquatica grows naturally in Asia, Sri Lanka and India and is characterised by its fine leaves and bushy, pine-like appearance. In the aquarium it grows best in medium or very high lighting, preferably in acidic conditions. It can grow to a height of 9-20 inches, and its width can vary from 3-6 inches.

Indigofera nummulariifolia is a species of flowering plant from the genus Indigofera.

Ecbolium viride is a species of Ecbolium of the family Acanthaceae. It can be found in Bangladesh, India and Sri Lanka, where it is widely used as a medicinal plant.

Breynia retusa is a species of plant in the family Phyllanthaceae.

Stemonoporus cordifolius (Sinhalese: Iri Dorala) is a species of flowering plant in the family Dipterocarpaceae. It is a tree endemic to southwestern Sri Lanka, where it is limited to the southern slopes of Adam's Peak. It is a gregarious understory tree in evergreen montane rain forest. The species was first described as Monoporandra cordifolia by George Henry Kendrick Thwaites in 1854. In 1931 Arthur Hugh Garfit Alston placed the species in genus Stemonoporus as S. cordifolius.

Selaginella delicatula is a species of spikemoss that is native to the wet tropical and subtropical regions of Asia. It was first described in 1932 by Alston. As an epiphyte, it grows on other plants and thrives in a diverse range of countries including India, China, and Vietnam. The species is widely accepted and found throughout its native range.

Schizachyrium sanguineum, also known as crimson bluestem, is a species of perennial graminoid found in the United States, as well as in Central and South America. Within the United States, this species occurs in two disconnected regions, one encompassing the states of Georgia, Alabama, and Florida, and the other encompassing Texas, New Mexico, and Arizona. S. sanguineum can be found in habitats such as in disturbed sandy sites, sandhill systems, and in pine flatwoods. Reaching a height of up to 4 ft (1.2 m), S. sanguineum is a type of grass that produces white to brown panicles from June

Eugenia glabra is a species of flowering plant in the family Myrtaceae. It is a shrub or tree endemic to Sri Lanka.

Diospyros atrata is a tree in the family Ebenaceae. It commonly grows to 25 metres tall. The plant can be seen in subcanopy trees in medium elevation wet evergreen forests between 1000 and 1400 m in Western Ghats- South Sahyadri, Kerala, and Tamil Nadu in India and from Kandy district in Sri Lanka Common names include "Kalu Kenda" in Sinhala language, and "Gusvakendu" in Tamil.

Anisophyllea cinnamomoides is a species of plant in the family Anisophylleaceae. It is endemic to Sri Lanka.