Information on the flora of Swaziland has been gradually improving over the years, resulting in better information on which to base lists of threatened species.

The list of species included in the Southern African Plant Red Data Lists, published by SABONET in 2002 (see Flora Red Data Lists) is already in need of an update, and on a global level, the IUCN Red List of Threatened Species information is even more out of date.

The legislation for the protection of indigenous flora was updated in 2000.

The Flora Protection Act, 2000
Schedule A - Especially protected flora (Endangered)
Schedule B - Vulnerable flora
Schedule C - Rare flora

This replaced The Flora Protection Act of 1952.

The IUCN Red List of Threatened Species lists the following for Swaziland:

Cassipourea swaziensis
Rhizophoraceae
DD ver 2.3 (1994)

Encephalartos aplanatus
Zamiaceae
VU A2acd; B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v); C1 ver 3.1 (2001)

Encephalartos heenanii
Zamiaceae
CR A2acde; B1ab(ii,iv,v)+2ab(ii,iv,v) ver 3.1 (2001)

Encephalartos laevifolius
Zamiaceae
CR A2acde; B2ab(i,ii,iii,iv,v) ver 3.1 (2001)

Encephalartos lebomboensis
Zamiaceae
Lebombo Cycad
EN A2acd; B1ab(ii,iii,iv,v)+2ab(ii,iii,iv,v) ver 3.1 (2001)

Encephalartos ngoyanus
Zamiaceae
Ngoye Cycad
VU A4acd; B1ab(iii,v)+2ab(iii,v) ver 3.1 (2001)

Encephalartos paucidentatus
Zamiaceae
Barberton Cycad
VU A2acd ver 3.1 (2001)

Encephalartos relictus
Zamiaceae
EW ver 3.1 (2001)

Encephalartos senticosus
Zamiaceae
VU A2acd ver 3.1 (2001)

Encephalartos umbeluziensis
Zamiaceae
Umbeluzi Cycad
VU A4cd; B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v); C1 ver 3.1 (2001)

Faurea macnaughtonii
Proteaceae
LR/cd ver 2.3 (1994)

Ocotea kenyensis
Lauraceae
VU A1cd ver 2.3 (1994)

Protea comptonii
Proteaceae
LR/nt ver 2.3 (1994)

Prunus africana
Rosaceae
Red Stinkwood
VU A1cd ver 2.3 (1994)

Psoralea arborea
Leguminosae
DD ver 2.3 (1994)

Pterocarpus angolensis
Leguminosae
Kiaat
LR/nt ver 2.3 (1994)

Warburgia salutaris
Canellaceae
Pepper Bark Tree
EN A1acd ver 2.3 (1994)