As of September 2016, the
International Union for Conservation of Nature
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natur ...
(IUCN) lists 1674
data deficient
A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information for a proper assessment of conservation status to be made. This does not necessarily ...
plant
Plants are predominantly Photosynthesis, photosynthetic eukaryotes of the Kingdom (biology), kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all curr ...
species.
7.6% of all evaluated plant species are listed as data deficient.
The IUCN also lists 18 subspecies and 57 varieties as data deficient. No subpopulations of plants have been evaluated by the IUCN.
This is a complete list of data deficient plant species, subspecies and varieties evaluated by the IUCN.
Algae
Algae ( , ; : alga ) are any of a large and diverse group of photosynthetic, eukaryotic organisms. The name is an informal term for a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from ...
There are 49 alga species evaluated as data deficient.
Green algae
The green algae (singular: green alga) are a group consisting of the Prasinodermophyta and its unnamed sister which contains the Chlorophyta and Charophyta/ Streptophyta. The land plants ( Embryophytes) have emerged deep in the Charophyte alg ...
*''
Ectochaete perforans''
*''
Rhizoclonium robustum
''Rhizoclonium'' is a genus of green algae
The green algae (singular: green alga) are a group consisting of the Prasinodermophyta and its unnamed sister which contains the Chlorophyta and Charophyta/Streptophyta. The land plants (Embryophyte ...
''
Red algae
Charophyta
Charophyta () is a group of freshwater green algae, called charophytes (), sometimes treated as a division, yet also as a superdivision or an unranked clade. The terrestrial plants, the Embryophyta emerged within Charophyta, possibly from terr ...
Bryophytes
The Bryophyta s.l. are a proposed taxonomic division containing three groups of non-vascular land plants (embryophytes): the liverworts, hornworts and mosses. Bryophyta s.s. consists of the mosses only. They are characteristically limited i ...
There are seven bryophyte species evaluated as data deficient.
Mosses
Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta (, ) ''sensu stricto''. Bryophyta ('' sensu lato'', Schimp. 1879) may also refer to the parent group bryophytes, which comprise liverworts, mosses, and h ...
Liverworts
The Marchantiophyta () are a division of non-vascular land plants commonly referred to as hepatics or liverworts. Like mosses and hornworts, they have a gametophyte-dominant life cycle, in which cells of the plant carry only a single set of g ...
Pteridophytes
There are 58 pteridophyte species evaluated as data deficient.
Leptosporangiate ferns
There are 50 species in the class Polypodiopsida evaluated as data deficient.
Polypodiales
The order Polypodiales encompasses the major lineages of polypod ferns, which comprise more than 80% of today's fern species. They are found in many parts of the world including tropical, semitropical and temperate areas.
Description
Polypodiale ...
There are 42 species in the order Polypodiales evaluated as data deficient.
=
Dryopteridaceae
The Dryopteridaceae are a family of leptosporangiate ferns in the order Polypodiales. They are known colloquially as the wood ferns. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder ...
=
= Polypodiaceae
=
= Blechnaceae
=
=
Tectariaceae
Tectariaceae is a family of leptosporangiate ferns in the order Polypodiales. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is placed in the suborder Polypodiineae. Alternatively, it may be treated as the ...
=
=Other Polypodiales species
=
Hymenophyllales
Cyatheales
*''
Cyathea cystolepis
''Cyathea'' is a genus of tree ferns, the type genus of the fern order Cyatheales.
The genus name ''Cyathea'' is derived from the Greek ''kyatheion'', meaning "little cup", and refers to the cup-shaped sori on the underside of the fronds.
Des ...
''
Isoetopsida
Gymnosperms
The gymnosperms ( lit. revealed seeds) are a group of seed-producing plants that includes conifers, cycads, '' Ginkgo'', and gnetophytes, forming the clade Gymnospermae. The term ''gymnosperm'' comes from the composite word in el, γυμν� ...
There are 20 species and 16 varieties of gymnosperm evaluated as data deficient.
Cycads
Cycads are seed plants that typically have a stout and woody ( ligneous) trunk with a crown of large, hard, stiff, evergreen and (usually) pinnate leaves. The species are dioecious, that is, individual plants of a species are either male or ...
Conifers
Species
Varieties
Gnetopsida
Dicotyledons
The dicotyledons, also known as dicots (or, more rarely, dicotyls), are one of the two groups into which all the flowering plants (angiosperms) were formerly divided. The name refers to one of the typical characteristics of the group: namely, t ...
There are 1087 species, 17 subspecies, and 36 varieties of dicotyledon evaluated as data deficient.
Piperales
Piperales is an order of flowering plants (4,170 recognized species). It necessarily includes the family Piperaceae but other taxa have been included or disincluded variously over time. Well-known plants which may be included in this order inclu ...
Species
Varieties
*
''Piper lucigaudens'' var. ''alleni''
Campanulales
Theales
Species
Varieties
*
''Symphonia globulifera'' var. ''angustifolia''
Malvales
The Malvales are an order of flowering plants. As circumscribed by APG II-system, the order includes about 6000 species within 9 families. The order is placed in the eurosids II, which are part of the eudicots.
The plants are mostly shrubs a ...
Species
Varieties
*
''Elaeocarpus calomala'' var. ''villosiusculus''
Polygalales
Rubiales
Rubiales was an order of flowering plants in the Cronquist system, including the families Rubiaceae and Theligonaceae. The latest APG system (2009) does not recognize this order and places the families within Gentianales
Gentianales is an or ...
Species
Varieties
Violales
Euphorbiales
Euphorbiaceae
Euphorbiaceae, the spurge family, is a large family of flowering plants. In English, they are also commonly called euphorbias, which is also the name of a genus in the family. Most spurges, such as '' Euphorbia paralias'', are herbs, but some, ...
Species
Subspecies
*
''Phyllanthus nutans'' subsp. ''grisebachianus''
Varieties
Laurales
Ebenales
Myrtales
The Myrtales are an order of flowering plants placed as a sister to the eurosids II clade as of the publishing of the ''Eucalyptus grandis'' genome in June 2014.
The APG III system of classification for angiosperms still places it within the eur ...
Species
Varieties
*
''Terminalia glabrata'' var. ''haroldii''
Sapindales
Sapindales is an order of flowering plants. Well-known members of Sapindales include citrus; maples, horse-chestnuts, lychees and rambutans; mangos and cashews; frankincense and myrrh; mahogany and neem.
The APG III system of 2009 inclu ...
There are 33 species, one subspecies, and one variety in the order Sapindales evaluated as data deficient.
Rutaceae
The Rutaceae is a family, commonly known as the rue[RUTACEAE](_blank)
in BoDD – Botanical Der ...
Species
Varieties
*
''Phellodendron amurense'' var. ''wilsonii''
Sapindaceae
The Sapindaceae are a family of flowering plants in the order Sapindales known as the soapberry family. It contains 138 genera and 1858 accepted species. Examples include horse chestnut, maples, ackee and lychee.
The Sapindaceae occur in temp ...
Anacardiaceae
The Anacardiaceae, commonly known as the cashew family or sumac family, are a family of flowering plants, including about 83 genera with about 860 known species. Members of the Anacardiaceae bear fruits that are drupes and in some cases produce ...
Meliaceae
Meliaceae, the mahogany family, is a flowering plant family of mostly trees and shrubs (and a few herbaceous plants, mangroves) in the order Sapindales.
They are characterised by alternate, usually pinnate leaves without stipules, and by synca ...
Other Sapindales
Species
Subspecies
*
''Acer caesium'' subsp. ''caesium'', Indian maple
Asterales
Asterales () is an order of dicotyledonous flowering plants that includes the large family Asteraceae (or Compositae) known for composite flowers made of florets, and ten families related to the Asteraceae. While asterids in general are chara ...
Species
Subspecies
*
''Darwiniothamnus lancifolius'' subsp. ''lancifolius''
Magnoliales
There are 112 species, one subspecies, and one variety in the order Magnoliales evaluated as data deficient.
Magnoliaceae
Annonaceae
The Annonaceae are a family of flowering plants consisting of trees, shrubs, or rarely lianas commonly known as the custard apple family or soursop family. With 108 accepted genera and about 2400 known species, it is the largest family in the M ...
Species
Varieties
*
''Monodora junodii'' var. ''macrantha''
Myristicaceae
Species
Subspecies
*
''Myristica lepidota'' subsp. ''lepidota''
Capparales
There are 41 species in Capparales evaluated as data deficient.
Capparaceae
The Capparaceae (or Capparidaceae), commonly known as the caper family, are a family of plants in the order Brassicales. As currently circumscribed, the family contains 33 genera and about 700 species. The largest genera are ''Capparis'' (about ...
Cruciferae
Apiales
The Apiales are an order of flowering plants. The families are those recognized in the APG III system. This is typical of the newer classifications, though there is some slight variation and in particular, the Torriceliaceae may also be divid ...
Gentianales
Gentianales is an order of flowering plants, included within the asterid clade of eudicots. It comprises more than 20,000 species in about 1,200 genera in 5 families. More than 80% of the species in this order belong to the family Rubiaceae.
Man ...
Species
Varieties
Rosales
Rosales () is an order of flowering plants.Peter F. Stevens (2001 onwards). "Rosales". At: Trees At: Angiosperm Phylogeny Website. At: Missouri Botanical Garden Website. (see ''External links'' below) It is sister to a clade consisting of Faga ...
There are 37 species in the order Rosales evaluated as data deficient.
Rosaceae
Rosaceae (), the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera.
The name is derived from the type genus ''Rosa''. Among the most species-rich genera are '' Alchemilla'' (270), '' Sorbu ...
Other Rosales species
Primulales
There are 21 species in Primulales evaluated as data deficient.
Myrsinaceae
Primulaceae
The Primulaceae , commonly known as the primrose family (but not related to the evening primrose family), are a family of herbaceous and woody flowering plants including some favourite garden plants and wildflowers. Most are perennial though som ...
*''
Androsace mathildae
''Androsace mathildae'' is an alpine cushion plant in the family Primulaceae, endemic to the Abruzzo Apennines in Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It ...
''
Solanales
The Solanales are an order of flowering plants, included in the asterid group of dicotyledons. Some older sources used the name Polemoniales for this order.
Taxonomy
Under the older Cronquist system, the latter three families were placed elsew ...
Species
Varieties
*
''Cuscuta kilimanjari'' var. ''rukararana''
Scrophulariales
There are 70 species in the order Scrophulariales evaluated as data deficient.
Oleaceae
Oleaceae, also known as the olive family, is a taxonomic family of flowering shrubs, trees, and a few lianas in the order Lamiales, It presently comprises 28 genera, one of which is recently extinct.Peter S. Green. 2004. "Oleaceae". pages ...
Gesneriaceae
Gesneriaceae, the gesneriad family, is a family of flowering plants consisting of about 152 genera and ca. 3,540 species in the tropics and subtropics of the Old World (almost all Didymocarpoideae) and the New World (most Gesnerioideae), wit ...
Myoporaceae
Myoporaceae was a family of plants, found mostly in Australia, which included the following genera:
* '' Diocirea''
* '' Eremophila'', also known as emu bush
* ''Myoporum'', also known as Boobiala
In the APG II system (continued in the APG III ...
*''
Myoporum rimatarense
''Myoporum rimatarense'' was a plant in the figwort family, Scrophulariaceae and was endemic to Rimatara Island in French Polynesia. It is only known from the type specimen collected in 1921 and 1934 and was declared extinct in 2021 by the I ...
''
Acanthaceae
Acanthaceae is a family (the acanthus family) of dicotyledonous flowering plants containing almost 250 genera and about 2500 species. Most are tropical herbs, shrubs, or twining vines; some are epiphytes. Only a few species are distributed in ...
Scrophulariaceae
The Scrophulariaceae are a family of flowering plants, commonly known as the figwort family. The plants are annual and perennial herbs, as well as shrubs. Flowers have bilateral ( zygomorphic) or rarely radial ( actinomorphic) symmetry. The S ...
Lentibulariaceae
*''
Genlisea glandulosissima''
*''
Utricularia bremii
''Utricularia bremii'' is a small, suspended or affixed aquatic carnivorous plant that belongs to the genus '' Utricularia'' (family Lentibulariaceae). It is a perennial plant that was named in honour of Jacob Bremi. Its native distribution inc ...
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Lamiales
The order Lamiales (also known as the mint order) are an order in the asterid group of dicotyledonous flowering plants. It includes about 23,810 species, 1,059 genera, and is divided into about 25 families. These families include Acanthaceae, B ...
Species
Varieties
Nepenthales
Ranunculales
Ranunculales is an order of flowering plants. Of necessity it contains the family Ranunculaceae, the buttercup family, because the name of the order is based on the name of a genus in that family. Ranunculales belongs to a paraphyletic group kno ...
Podostemales
Fabales
The Fabales are an order of flowering plants included in the rosid group of the eudicots in the Angiosperm Phylogeny Group II classification system. In the APG II circumscription, this order includes the families Fabaceae or legumes (includin ...
Species
Subspecies
*
''Sesbania coccinea'' subsp. ''atollensis''
Varieties
*
''Butea monosperma'' var. ''lutea''
*
''Lonchocarpus guatemalensis'' var. ''proteranthus''
Caryophyllales
Caryophyllales ( ) is a diverse and heterogeneous order of flowering plants that includes the cacti, carnations, amaranths, ice plants, beets, and many carnivorous plants. Many members are succulent, having fleshy stems or leaves. The betal ...
There are 146 species and one subspecies in the order Caryophyllales evaluated as data deficient.
Caryophyllaceae
Caryophyllaceae, commonly called the pink family or carnation family, is a family of flowering plants. It is included in the dicotyledon order Caryophyllales in the APG III system, alongside 33 other families, including Amaranthaceae, Cactace ...
Species
Subspecies
*
''Spergularia media'' subsp. ''intermedia''
Cactus
A cactus (, or less commonly, cactus) is a member of the plant family Cactaceae, a family comprising about 127 genera with some 1750 known species of the order Caryophyllales. The word ''cactus'' derives, through Latin, from the Ancient Gre ...
species
Other Caryophyllales species
Fagales
The Fagales are an order of flowering plants, including some of the best-known trees. The order name is derived from genus ''Fagus'', beeches. They belong among the rosid group of dicotyledons. The families and genera currently included are a ...
There are 52 species, eight subspecies, and nine varieties in the order Fagales evaluated as data deficient.
Fagaceae
The Fagaceae are a family of flowering plants that includes beeches, chestnuts and oaks, and comprises eight genera with about 927 species. Fagaceae in temperate regions are mostly deciduous, whereas in the tropics, many species occur as eve ...
Betulaceae
Betulaceae, the birch family, includes six genera of deciduous nut-bearing trees and shrubs, including the birches, alders, hazels, hornbeams, hazel-hornbeam, and hop-hornbeams numbering a total of 167 species. They are mostly natives of ...
Species
Subspecies
Varieties
Callitrichales
Callitrichales is a proposed order of flowering plants. As circumscribed by American botanist Arthur Cronquist in the Cronquist system (1981), the order included three families:
* Hippuridaceae
* Callitrichaceae
* Hydrostachyaceae
A feature is t ...
Other dicotyledons
Species
Subspecies
Monocotyledons
Monocotyledons (), commonly referred to as monocots, ( Lilianae ''sensu'' Chase & Reveal) are grass and grass-like flowering plants (angiosperms), the seeds of which typically contain only one embryonic leaf, or cotyledon. They constitute one of ...
There are 453 species, one subspecies, and five varieties of monocotyledon evaluated as data deficient.
Arecales
Arecales is an order of flowering plants. The order has been widely recognised only for the past few decades; until then, the accepted name for the order including these plants was Principes.
Taxonomy
The APG IV system of 2016 places Dasypog ...
Orchidales
There are 57 species and one variety in Orchidales evaluated as data deficient.
Orchidaceae
Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant.
Along with the Asteraceae, they are one of the two largest families of flowering ...
Burmanniaceae
Burmanniaceae is a family of flowering plants, consisting of 99 species of herbaceous plants in eight genera.
Description
These plants are annual or perennial herbs, with generally unbranched stems, some lacking leaves. Some members of this fam ...
Varieties
*
''Afrothismia winkleri'' var. ''budongensis''
Cyclanthales
Cyclanthaceae is a family of flowering plants.
Taxonomy
Earlier systems, such as the Cronquist system and the Takhtajan system, placed it as the sole family in the order Cyclanthales. In the classification system of Dahlgren the Cyclanthaceae w ...
*''
Dicranopygium goudotii
''Dicranopygium'' is a genus of plants belonging to the family Cyclanthaceae, first described as a genus in 1954. They are distributed in the Neotropical realm from southern Mexico to Peru.Harling, G. W. 1958. Monograph of the Cyclanthaceae. Act ...
''
Pandanales
Species
*''
Pandanus parvicentralis
''Pandanus parvicentralis'' is a species of plant in the family Pandanaceae. It is endemic to Gabon
Gabon (; ; snq, Ngabu), officially the Gabonese Republic (french: République gabonaise), is a country on the west coast of Central Africa ...
''
*''
Pandanus teuszii
''Pandanus teuszii'' is a species of plant in the family Pandanaceae. It is endemic to Gabon
Gabon (; ; snq, Ngabu), officially the Gabonese Republic (french: République gabonaise), is a country on the west coast of Central Africa. Loc ...
''
Varieties
*
''Pandanus tectorius'' var. ''uapensis''
Bromeliales
Liliales
Liliales is an order of monocotyledonous flowering plants in the Angiosperm Phylogeny Group and Angiosperm Phylogeny Web system, within the lilioid monocots. This order of necessity includes the family Liliaceae. The APG III system (2009) plac ...
There are 97 species in the order Liliales evaluated as data deficient.
Iridaceae
Iridaceae is a family of plants in order Asparagales, taking its name from the irises, meaning rainbow, referring to its many colours. There are 66 accepted genera with a total of c. 2244 species worldwide (Christenhusz & Byng 2016). It inclu ...
Aloaceae
Asphodeloideae is a subfamily of the monocot family Asphodelaceae in the order Asparagales. It has previously been treated as a separate family, Asphodelaceae ''sensu stricto''. The family Asphodelaceae has now been proposed to be a nomen conser ...
Liliaceae
The lily family, Liliaceae, consists of about 15 genera and 610 species of flowering plants within the order Liliales. They are monocotyledonous, perennial, herbaceous, often bulbous geophytes. Plants in this family have evolved with a f ...
Alliaceae
Other Liliales species
Arales
There are 88 species in Arales evaluated as data deficient.
Araceae
The Araceae are a family of monocotyledonous flowering plants in which flowers are borne on a type of inflorescence called a spadix. The spadix is usually accompanied by, and sometimes partially enclosed in, a spathe (or leaf-like bract). ...
Lemnaceae
Lemnoideae is a subfamily of flowering aquatic plants, known as duckweeds, water lentils, or water lenses. They float on or just beneath the surface of still or slow-moving bodies of fresh water and wetlands. Also known as bayroot, they arose fr ...
*''
Wolffiella repanda''
Zingiberales
The Zingiberales are flowering plants forming one of four orders in the commelinids clade of monocots, together with its sister order, Commelinales. The order includes 68 genera and 2,600 species. Zingiberales are a unique though morphol ...
There are 17 species and two varieties in the order Zingiberales evaluated as data deficient.
Heliconiaceae
*''
Heliconia flabellata
''Heliconia'', derived from the Greek word (), is a genus of flowering plants in the monotypic family Heliconiaceae. Most of the ca 194 known species are native to the tropical Americas, but a few are indigenous to certain islands of the w ...
''
*''
Heliconia willisiana
''Heliconia willisiana'' is a species of plant in the family Heliconiaceae It is endemic to Ecuador.httKew World Checklist of Selected Plant Families, ''Heliconia willisiana''/ref>
References
Flora of Ecuador
willisiana
Data deficient ...
''
Zingiberaceae
Zingiberaceae () or the ginger family is a family of flowering plants made up of about 50 genera with a total of about 1600 known species of aromatic perennial herbs with creeping horizontal or tuberous rhizomes distributed throughout tropical ...
Species
Varieties
*
''Amomum tomrey'' var. ''stenophyllum''
*
''Amomum villosum'' var. ''xanthioides''
Eriocaulales
Commelinales
Cyperales
There are 70 species, one subspecies, and one variety in Cyperales evaluated as data deficient.
Gramineae
Cyperaceae
The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus '' Carex'' ...
Species
Subspecies
*
''Pycreus flavescens'' subsp. ''tanaensis''
Varieties
*
''Carex cognata'' var. ''congolensis''
Alismatales
The Alismatales (alismatids) are an order of flowering plants including about 4,500 species. Plants assigned to this order are mostly tropical or aquatic. Some grow in fresh water, some in marine habitats.
Description
The Alismatales comp ...
Najadales
Juncales
Hydrocharitales
{{Unreferenced, date=December 2009
Hydrocharitales is a botanical name of an order of flowering plants. A well-known system that used this name is the Cronquist system (1981), for an order in subclass Alismatidae, with this circumscription:
* o ...
See also
*
Lists of IUCN Red List data deficient species
*
List of least concern plants
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 6645 Least-concern species, least concern Plantae, plant species. 30% of all evaluated plant species are listed as least concern.
The IUCN also lists 131 subsp ...
*
List of near threatened plants
*
List of vulnerable plants
*
List of endangered plants
*
List of critically endangered plants
*
List of recently extinct plants
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 116 extinct species, 132 possibly extinct species, 35 extinct in the wild species, 13 possibly extinct in the wild species, five extinct subspecies, one extinct ...
Notes
References
*Plants
Data deficient plants
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