Algae and diatoms of Tamil Nadu
224 algae and diatoms on the India list have an open record placed in Tamil Nadu.
A species is in a state when it has an open record placed there: a record anyone can check online (a GBIF record, or a research-grade iNaturalist observation). Threatened: IUCN Red List Critically Endangered, Endangered or Vulnerable. The sources give no endemic mark for algae and diatoms yet. List of the week of 2026-11-09.
All algae and diatoms of Tamil Nadu on the list (224)
- Acanthophora muscoides
- Acanthophora spicifera prickly seaweed
- Acrothamnion butleriae
- Anadyomene stellata
- Antithamnion cruciatum
- Antithamnion mcnabbi
- Asparagopsis taxiformis red sea plume
- Asterionella japonica
- Asterionella ralfsii
- Aulacoseira granulata
- Avrainvillea erecta
- Boergesenia forbesii
- Brachysira exilis
- Bryopsis pennata
- Bryopsis plumosa Hen Pen
- Caloglossa leprieurii
- Canistrocarpus crispatus
- Carpopeltis maillardii
- Caulerpa crassifolia
- Caulerpa cupressoides cactus tree alga
- Caulerpa fergusonii
- Caulerpa fergusonii
- Caulerpa lentillifera green caviar
- Caulerpa mexicana
- Caulerpa microphysa
- Caulerpa racemosa Sea Grapes
- Caulerpa scalpelliformis Scalpel green seaweed
- Caulerpa sedoides
- Caulerpa serrulata Tooth Caulerpa
- Caulerpa sertularioides Green Feather Alga
- Caulerpa taxifolia Feather Caulerpa
- Caulerpa verticillata
- Centroceras clavulatum
- Ceramium deslongchampsii
- Ceramium gracillimum
- Ceramium procumbens
- Ceramium strictum
- Chaetoceros affinis
- Chaetoceros laciniosus
- Chaetomorpha antennina Antennate bristle alga
- Chaetomorpha brachygona
- Chaetomorpha capillaris
- Chaetomorpha linum Sea Hair
- Chaetomorpha litorea
- Chaetomorpha spiralis
- Chaetosphaeridium globosum
- Chara braunii Braun's stonewort
- Chlorella vulgaris
- Chlorokybus atmophyticus
- Chnoospora implexa
- Chnoospora minima
- Ciliophrys infusionum
- Cladophora fascicularis
- Cladophora glomerata
- Cladophora lehmanniana
- Cladophora liebetruthii
- Cladophora vagabunda
- Cladophoropsis javanica
- Codium adhaerens
- Codium arabicum
- Codium flabellatum
- Codium tomentosum Velvet Horn
- Colpomenia sinuosa Oyster thief
- Compsopogon caeruleus
- Corynoplastis japonica
- Coscinodiscus centralis
- Crustomastix stigmatica
- Cylindrotheca closterium
- Dermonema virens
- Dictyopteris delicatula
- Dictyota bartayresiana
- Dictyota dichotoma Forked ribbons
- Dolichomastix tenuilepis
- Dunaliella tertiolecta
- Enteromorpha compressa
- Enteromorpha flexuosa
- Enteromorpha intestinalis hollow green seaweed
- Enteromorpha prolifera
- Enteromorpha tubulosa
- Erythrotrichia carnea
- Feldmannia filifera
- Feldmannia irregularis
- Fosliella farinosa
- Gelidiopsis variabilis
- Gelidium corneum
- Giffordia conifera
- Giffordia indica
- Giffordia mitchelliae
- Gracilaria canaliculata
- Gracilaria corticata
- Gracilaria foliifera Graceful Red Weed
- Gracilaria lemaneiformis
- Gracilaria salicornia Gorilla ogo
- Gracilaria tenuistipitata
- Gracilaria verrucosa
- Gracilariopsis longissima
- Halimeda cuneata Wedgeweed
- Halimeda gracilis
- Halimeda macroloba erect sea cactus
- Halimeda opuntia watercress alga
- Halimeda tuna Pennyweed
- Heynigia riparia
- Hildenbrandia prototypus
- Hincksia breviarticulata
- Hippodonta mudumalaiensis
- Hormophysa cuneiformis
- Hydroclathrus clathratus
- Hydrodictyon reticulatum Water Net
- Hydrolithon decipiens
- Hydropuntia edulis
- Hypnea cenomyce
- Hypnea cervicornis
- Hypnea flagelliformis
- Hypnea musciformis
- Hypnea pannosa
- Hypnea spicifera Green Tips
- Hypnea valentiae
- Jania rubens Red Jania
- Kalenjinia gelatinosa
- Kappaphycus alvarezii
- Kirchneriella incurvata
- Kirchneriella lunaris
- Klebsormidium subtile
- Laminaria digitata Oarweed
- Laurencia flagellifera
- Laurencia majuscula
- Laurencia scoparia
- Leveillea jungermannioides
- Liagora albicans
- Liagora ceranoides
- Liagoropsis schrammii
- Lithodesmium undulatum
- Lithophyllum okamurae
- Lithophyllum orbiculatum
- Lobophora variegata
- Lobosphaera incisa
- Lyrella clavata
- Macrocystis angustifolia
- Microchloropsis gaditana
- Microchloropsis salina
- Monoraphidium contortum
- Navicula exilis
- Neogoniolithon caribaeum
- Nephroselmis olivacea
- Neurymenia fraxinifolia
- Nitella acuminata
- Nitella furcata
- Nitella hyalina Many-branched Stonewort
- Nitzschia paleacea
- Padina boergesenii
- Padina gymnospora
- Padina pavonia
- Padina sanctae-crucis White Scroll Alga
- Padina tetrastromatica
- Palisada perforata
- Parachlorella kessleri
- Phymatolithon notatum
- Pithophora roettleri
- Planctonema lauterbornii
- Planktoniella sol
- Pneophyllum amplexifrons
- Porphyridium purpureum
- Portieria hornemannii
- Pyropia haitanensis
- Rhizoclonium hieroglyphicum
- Rhizoclonium kerneri
- Rhizoclonium tortuosum
- Rhizosolenia imbricata
- Rhodella violacea
- Rhodymenia palmetta
- Rosenvingea intricata
- Saccharina japonica Kombu
- Sahlingia subintegra
- Sarconema filiforme
- Sargassum acinarium
- Sargassum aquifolium Double-edge Sargassum
- Sargassum biserrula
- Sargassum carpophyllum
- Sargassum coriifolium
- Sargassum filifolium
- Sargassum heterocystum
- Sargassum ilicifolium
- Sargassum odontocarpus
- Sargassum oligocystum
- Sargassum plagiophyllum
- Sargassum polycystum
- Sargassum swartzii
- Sargassum tenerrimum
- Sargassum thunbergii
- Sargassum vulgare
- Sargassum wightii
- Scenedesmus acutus
- Scenedesmus dispar
- Scinaia forcellata
- Scinaia moniliformis
- Sirophysalis trinodis
- Skeletonema pseudocostatum
- Spatoglossum asperum
- Sphacelaria rigidula
- Spyridia filamentosa
- Stoechospermum polypodioides
- Stylonema alsidii
- Taenioma perpusillum
- Tetradesmus lagerheimii
- Tetraedron caudatum
- Thalassionema nitzschioides
- Thalassiosira gessneri
- Tricleocarpa fragilis
- Turbinaria conoides
- Turbinaria ornata
- Udotea flabellum mermaid's-fan alga
- Ulva fasciata
- Ulva fenestrata
- Ulva lactuca Broadleaf Sea Lettuce
- Ulva ohnoi
- Ulva reticulata
- Ulva rigida Sea Lettuce
- Ulva shanxiensis
- Valonia aegagropila
- Valonia fastigiata
- Valoniopsis pachynema
- Vanvoorstia spectabilis
- Wrangelia argus
- Zygogonium ericetorum
Algae and diatoms elsewhere
India · Andaman and Nicobar · Andhra Pradesh · Arunachal Pradesh · Assam · Bihar · Chhattisgarh · Dadra, Nagar Haveli, Daman and Diu · Delhi · Goa · Gujarat · Haryana · Himachal Pradesh · Jammu and Kashmir · Karnataka · Kerala · Ladakh · Lakshadweep · Madhya Pradesh · Maharashtra · Manipur · Meghalaya · Odisha · Puducherry · Punjab · Rajasthan · Sikkim · Tripura · Uttar Pradesh · Uttarakhand · West Bengal · Trans-Himalaya · Himalaya · Semi-Arid · Western Ghats · Deccan Peninsula · Gangetic Plain · Coasts · North-East · Islands
Other species of Tamil Nadu
Birds · Large mammals · Bats · Rodents, shrews and hares · Whales, dolphins and other mammals · Reptiles · Amphibians · Fish · Butterflies · Moths · Dragonflies and damselflies · Beetles · Bees, wasps and ants · Flies · True bugs · Other insects · Spiders and other arachnids · Molluscs · Crabs, shrimps and kin · Orchids · Grasses and sedges · Ferns and lycophytes · Other flowering plants and conifers · Mosses and liverworts · Lichens · Fungi · Other species