Albert Gottfried Dietrich

A spruce is a tree of the genus Picea, a genus of some 37 species of coniferous evergreen trees in the family Pinaceae, found in the northern temperate and boreal (taiga) regions of the Northern Hemisphere. Picea is treated either in the subfamily Pinoideae, or the sole genus in its own subfamily Piceoideae. Spruces can be distinguished from other genera of the family Pinaceae by their needles (leaves), which are four-sided and attached singly to small persistent peg-like structures (pulvini) on the twigs. The needles are shed when 4–10 years old, leaving the twigs rough with the retained

Cryptanthus is a genus of flowering plants in the family Bromeliaceae, subfamily Bromelioideae. The genus name is from the Greek cryptos (hidden) and anthos (flower). The genus formerly had two recognized subgenera: the type subgenus and subgenus Hoplocryptanthus Mez which has been raised to the separate genus Hoplocryptanthus. All species of this genus are endemic to Brazil. The common name for any Cryptanthus is "Earth star".

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Rhodochiton is a genus of flowering plants within the family Plantaginaceae, native to southern Mexico and neighbouring Guatemala. They climb by means of twining leaf stalks. One of the three species, Rhodochiton atrosanguineus, the purple bell vine, is grown as an ornamental plant. All three species are sometimes included in Lophospermum.

Peperomia obtusifolia, also known as the baby rubberplant, American rubber plant, or pepper face, is a species of flowering plant in the genus Peperomia under the family Piperaceae, native to Tropical America. The specific epithet obtusifolia means "blunt-leaved". The plant has gained the Royal Horticultural Society's Award of Garden Merit.

Mammillaria sphaerica, the longmamma nipple cactus or pale mammillaria is a species of flowering plant in the cactus family Cactaceae, native to south eastern Texas in the USA and north eastern Mexico, where it occurs in scattered patches at altitudes up to 1,000 m (3,300 ft). It forms clumps of small pale green spheres (whence sphaerica) to 5 cm (2.0 in) in diameter, with short hairs and pale yellow flowers up to 3 cm (1.2 in) wide in summer. Its status is listed as "Least Concern" by the IUCN Red List. It tolerates temperatures down to 1 °C (34 °F), but not being frozen. As it also requires

Begonia dregei, the maple leaf begonia, grape-leaf begonia, or bonsai begonia, is a species of flowering plant in the genus Begonia native to the Eastern Cape and KwaZulu-Natal provinces of South Africa. One of its most notable features is the swollen caudex, which stores moisture.

Peperomia trifolia is a species of plant in the genus Peperomia. Its native range covers the Lesser Antilles and Trinidad.

Peperomia magnoliifolia, commonly known as the spoonleaf peperomia, is a species of plant in the genus Peperomia. Its native range reaches from parts of southern Florida and Mexico to the Caribbean and northern South America including Uruguay. P. magnoliifolia is sometimes confused with Peperomia obtusifolia, and some earlier botanists considered these two names merely synonyms for the same species. As dried specimens the plants can look highly similar but the differences can be seen more easily from living plants: P. obtusifolia leaves are waxy while P. mangoliifolia leaves are considered

Echinopsis maximiliana, synonym Lobivia maximiliana, is a species of Echinopsis found in Bolivia and Peru.

Begonia conchifolia, the zip begonia, is a species of flowering plant in the family Begoniaceae. It is native to Central America; El Salvador, Costa Rica and Panama. As a houseplant it does best out of direct sunlight. 'Red Ruby' is the best known cultivar.

Zamia skinneri is a species of plant in the family Zamiaceae. It is endemic to the coastal area of mainland Bocas del Toro Province, Panama. Its common name is cebolla roja. This has long been considered to be a variable plant that was likely a species complex, with individuals actually belonging to several undescribed species. In 2008 some populations were studied, characterized as new species, and renamed Zamia hamannii, Zamia imperialis, and Zamia nesophila. This recategorization reduced the size of the population of actual Z. skinneri to fewer than 500.

Peperomia quadrangularis, commonly known as the beetle peperomia, is a species of plant in the genus Peperomia of the family Piperaceae. Its native range is in tropical America, including areas in northern South America, Central America and the West Indies. As a houseplant it is often sold under the synonym Peperomia angulata with lighter variants labelled "rocca verde" and darker "rocca scuro", and sometimes abbreviated (e.g. "Peperomia rocca scuro").

Peperomia glabella, commonly known as the cypress peperomia or wax privet, is a species of plant in the genus Peperomia of the family Piperaceae. Its native range is from southern North America to central South America. Three varieties are known. In addition to the basic one they are P. glabella var. nudipetiolata ( Trel. & Yunck.) and P. glabella var. obtusa (Steyerm.).

Helianthus salicifolius is a North American species of sunflower known by the common name willowleaf sunflower. It is native to the central United States, primarily in the Great Plains and Ozark Plateau (states of Missouri,Kansas, Oklahoma, and Texas). There are a few reports of scattered populations in the Northeast and Midwest parts of the country, but these appear to be escapes from cultivation.

Cordyline rubra, known as the palm lily, is an evergreen Australian plant. Growing as a shrub to around 4 metres (13 ft) tall, it is found in warm rainforest and moist eucalyptus forest. The range of natural distribution is from Lismore to near Bundaberg, Queensland. It was first described by the German botanists Christoph Friedrich Otto and Albert Gottfried Dietrich in 1848. The Latin species name rubra means "red". Cordyline rubra is mainly identified by the leaf stems, which grow from 5 to 20 cm (2–8 in) long. They are flat or somewhat concave in shape. The leaves 15 to 50 cm (6–20 in)

Zingiber montanum is a species of plant in the family Zingiberaceae, with no subspecies. Native to Indo-China and Malesia, it has become an invasive species in the Caribbean and South America; there are many synonyms including Zingiber cassumunar.

Peperomia verticillata is a species of plant in the genus Peperomia of the family Piperaceae. It is native to the Caribbean islands.

Peperomia tenella, known as the Jayuya, is a species of perennial, lithophyte or epiphyte in the genus Peperomia. It was first described by Olof Swartz but named it Piper tenellum. Albert Gottfried Dietrich then changed the species into Peperomia and published in the book "Species Plantarum. editio sexta 1: 153. 1831". It primarily grows on wet tropical biomes. The species name came from the Latin word wikt:tenellus, which means tender.

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Echinopsis oxygona, also known as Eyries cactus, Easter lily cactus or sea-urchin cactus, is a species of flowering plant in the cactus family Cactaceae, native to south Brazil, Uruguay, Paraguay and northeastern Argentina. Some species that have been described separately, including Echinopsis eyriesii and Echinopsis tubiflora, are now considered to be synonymous. The features of the species include a large flower, with sharply pointed lavender or white petals, and a sweet scent.

Echinopsis pentlandii, synonyms including Lobivia pentlandii, is a species of Echinopsis found in Bolivia and Peru.

Cryptanthus bromelioides is a plant species in the genus Cryptanthus. This species is endemic to Brazil.

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Melaleuca lateritia, commonly known as the robin redbreast bush, is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is also one of the most widely cultivated of the genus because of its attractive flowers which occur over a long period and for its adaptability to a range of climates. It is a medium-sized shrub normally 2–2.5 m (7–8 ft) high with coarse, fibrous bark.

Dyckia remotiflora is a plant species in the genus Dyckia. It is native to Argentina, Uruguay, and Brazil. Four varieties are recognized: Dyckia remotiflora var. angustior L.B.Sm. - Rio Grande do Sul Dyckia remotiflora var. montevidensis (K.Koch) L.B.Sm. - Entre Ríos, southern Brazil Dyckia remotiflora var. remotiflora - Uruguay, southern Brazil Dyckia remotiflora var. tandilensis (Speg.) Cabrera - Buenos Aires but probably extinct

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