Edward George Hudson Oliver

Erica reunionensis is a species of flowering plant (angiosperms) in the heather family (Ericaceae). It is a shrub endemic to the island of Réunion in the Indian Ocean. Erica reunionensis is the dominant treeline species in the mountains of Réunion.

Erica paucifolia is a plant that belongs to the genus Erica and is part of the fynbos. The species is endemic to the Western Cape and occurs in the Houhoek and Kleinrivier Mountains. There were seven subpopulations but only two exist, the other subpopulations have been wiped out due to suburban development and invasive plants, the latter at Honingklip.

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Erica oakesiorum is a plant belonging to the genus Erica and is part of the fynbos. The species is endemic to the Western Cape and occurs in the Riviersonderend Mountains from Genadendal to Pilaarkop. The range is 43 km² and there are six subpopulations. However, two may have been destroyed due to too many veld fires. Each subpopulation is small, approximately 250 plants; the total population is estimated to be less than 2 500 plants. Invasive plants such as pine trees and veld fires remain a threat to the plant.

Erica ericoides, the honey heath, is a plant belonging to the genus Erica and forming part of the fynbos. The species is endemic to the Western Cape.

Erica viridimontana is a plant belonging to the genus Erica and is part of the fynbos. The species is endemic to the Western Cape and occurs in the Groenland mountains, east of Grabouw. There is only one population, with less than 250 plants, occurring in an area of less than 7 km2. The habitat has been reduced due to the high incidence of veldfires and is also threatened by invasive plants such as hakea and pinus species. The plant has one subspecies: Erica viridimontana subsp. nivicola E.G.H.Oliv. & I.M.Oliv.

Erica similis is a plant belonging to the genus Erica and is part of the fynbos. The species is endemic to the Western Cape.

Erica muscosa, the stickyleaf heath, is a plant belonging to the genus Erica and is part of the fynbos. The species is endemic to the Northern Cape and Western Cape.

Erica hottentotica is a plant belonging to the genus Erica and forming part of the fynbos. The species is endemic to the Western Cape and occurs in the Hottentots Holland Mountains at Landdroskop and Somerset Sneeukop. The plant's range is smaller than 100 km2, is considered rare and the habitat is not threatened. It occurs on the moist, south-facing slopes.

Erica flexistyla is a plant belonging to the genus Erica and forming part of the fynbos. The species is endemic to the Western Cape and occurs on the Agulhas Plain from Elim to the Soetanysberg. The plant's range is 43 km2 and there are between two and five populations. The habitat is threatened by overgrazing, agricultural activities and invasive plants.

Erica cabernetea is a plant species endemic to a small region in the Western Cape Province of South Africa. Erica cabernetea is a small, highly branched shrub up to 15 centimetres (6 inches) tall. Leaves are up to 4 millimetres (1⁄8 in) long, crescent-shaped in cross section. Flowers are borne in small racemes at the tips of each of the branches. Flowers are rounded, deep red, about 4 mm across. Fruit is a dry, egg-shaped capsule about 3 mm long. The specific epithet "cabernetea" refers to Cabernet Sauvignon, a red wine with approximately the same color as the flowers of E. cabernetea. It is

Erica benguelensis is a plant belonging to the genus Erica. The species is native to Angola, Burundi, Democratic Republic of the Congo, Malawi, Mozambique, Rwanda, Tanzania, Uganda, Zambia and Zimbabwe.

Erica amicorum is a plant that belongs to the genus Erica and forms part of the fynbos. The species is endemic to the Western Cape where it occurs in the Langeberg at heights of 300 to 600 meters in wet areas. The plant is rare.

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Erica vernicosa, the varnished heath, is a plant belonging to the genus Erica. The species is endemic to the Western Cape.

Erica vallis-aranearum is a plant belonging to the genus Erica and is part of the fynbos. The species is endemic to the Western Cape and occurs in the Kogelberg. The plant is naturally rare and there is only one population of fifteen plants.

Erica thomensis is a plant belonging to the genus Erica and is native to São Tomé.

Erica swaziensis is a plant belonging to the genus Erica. The species is endemic to Eswatini.

Erica subcapitata, the pinhead heath, is a plant belonging to the genus Erica and is part of the fynbos. The species is endemic to the Western Cape.

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Erica psittacina, the parrot tree erica or Hlabeni heath, is a tree belonging to the genus Erica. The species is endemic to KwaZulu-Natal and occurs at Donnybrook where there is one population of approximately 100 plants. The habitat is threatened by uncontrolled wildfires.

Erica nyassana is a species of plant in the family Ericaceae. It is endemic to Malawi. It is threatened by habitat loss.

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Erica madagascariensis is a plant belonging to the genus Erica. The species is endemic to Madagascar.

Erica lecomtei is a plant belonging to the genus Erica. The plant is endemic to Madagascar. The plant also has two subspecies: Erica lecomtei subsp. lecomtei Erica lecomtei subsp. ravinakely Dorr

Erica krugeri is a plant that belongs to the genus Erica and is part of the fynbos. The species is endemic to the Western Cape.

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Erica hexandra is a plant belonging to the genus Erica. The species is native to Mozambique, Zambia and Zimbabwe.

Erica goudotiana is a plant belonging to the genus Erica. The species is endemic to Madagascar.