Cycas zeylanica
- Found in Sri Lanka. Historical notes, detailed morphological description, features, habitat, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+zeylanica

Cycas yorkiana
- Occurs on the Cape York Peninsula. Distinct characteristics, conservation status, morphology, and distribution.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+yorkiana

Cycas xipholepis
- Gets its name from its swordlike cataphylls. Detailed description, distribution, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+xipholepis

Cycas wadei
- Honoring medical doctor H.W. Wade. Historical notes, images, conservation status, structural details, distribution and habitat.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+wadei

Cycas tuckeri
- Named after its discoverer Robert Tucker. Photograph, physical characteristics, distribution, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+tuckeri

Cycas thouarsii
- Named after French botanist Louis-Marie Aubert du Petit-Thouars. Historical notes, distinguishing features, and illustrated morphological description.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+thouarsii

Cycas tansachana
- Honouring Kampon Tansacha, of the Nong nooch Tropical Gardens, Thailand. Morphology, images, habitat, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+tansachana

Cycas tanqingii
- Honouring Tan-Qing, director of the Shenzhen Fairy Lake Botanic Garden at the time this species was described. Distinguishing features, morphology, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+tanqingii

Cycas szechuanensis
- From Szechuan province, China. Morphology, historical notes, conservation status, and habitat details.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+szechuanensis

Cycas silvestris
- The name refers to the species' closed forest habitat. Photo, distinguishing features, conservation status, and detailed description.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+silvestris

Cycas siamensis
- This species was described when Thailand was Kingdom of Siam. Historical notes, illustrations, morphology, and related literature.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+siamensis

Cycas semota
- Occurs in the farthest extremity of Cape York Peninsula, Australia. Morphological description, distinctive features, distribution, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+semota

Cycas segmentifida
- Extremely widespread although severely depleted species through western Guangxi, China. Detailed description, conservation notes, and distinguishing characteristics.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+segmentifida

Cycas seemannii
- Usually found on calcareous beach dune sands or coral limestone formations. Morphology, images, history, features, and local vernacular terms.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+seemannii

Cycas scratchleyana
- Honoring English colonial administrator Sir Peter Henry Scratchley. Distinguishing features, structural details, distribution and habitat, conservation status, and history.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+scratchleyana

Cycas schumanniana
- Grassland species abundant in savannah forests in Papua New Guinea. Pictures, morphology, distinguishing features, etymology, and history.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+schumanniana

Cycas riuminiana
- Widespread in inland and mountain-closed forests in the northern parts of the Philippines. Structural features, etymology, and historical notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+riuminiana

Cycas pruinosa
- Covered with a waxy, whitish bloom. Physical description, distinguishing characteristics, illustration, and habitat.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+pruinosa

Cycas pranburiensis
- From the province of Pranburi in Thailand. Morphological description, images, distinguishing features, and history.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+pranburiensis

Cycas parvulus
- Contains several illustrations and a search link for other online resources regarding the taxon.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+parvulus

Cycas papuana
- Originates from Papua New Guinea. Physical description, distinct characteristics, and historical notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+papuana

Cycas spherica
- Known for its rounded seeds, this taxon calls India home. Historical notes, detailed morphology, and distinctive characteristics.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+spherica

Cycas orientis
- Abundant and widespread in Arnhem Land, Australia. Structural details, distinguishing characteristics, and habitat information.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+orientis

Cycas ophiolitica
- Mainly occurs on serpentinite-derived soils. Distinct features, morphology, etymology, and historical notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+ophiolitica

Cycas nongnoochiae
- From the Nong Nooch tropical garden in Thailand. Physical description, distinguishing features, conservation status and habitat.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+nongnoochiae

Cycas nathorstii
- Honoring Swedish palaeobotanist Alfred Gabriel Nathorst. Historical notes, distinctive characteristics, photos, structural details, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+nathorstii

Cycas multipinnata
- Distinguished by its complex, branched leaflets. Illustrations, detailed morphology, distribution and habitat, conservation status, and historical notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+multipinnata

Cycas micronesica
- Endemic to Micronesia, the Marianas Group and the western Caroline Islands. Distinguishing features, description, conservation status, etymology, and historical notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+micronesica

Cycas megacarpa
- Named for its distinctive large seeds. Morphological description, conservation status, habitat, and etymology.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+megacarpa

Cycas macrocarpa
- Lives mainly in rainforests, which puts it at risk for extinction by habitat reduction. Illustrations, etymology, structural details, and extensive historical notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+macrocarpa

Cycas maconochiei
- Honoring the late botanist John Maconochie. Distinctive characteristics, etymology, habitat, and detailed morphological information on subspecies.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+maconochiei

Cycas litoralis
- Prefers seashore habitats. Distinguishing features, physical description, conservation status, and relevant references.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+litoralis

Cycas lindstromii
- Named after Anders Lindström, a cycad enthusiast from Sweden. Pictures, morphological details, etymology, history, and conservation status for this endangered species.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+lindstromii

Cycas lane-poolei
- Occurs in the north-west of the Kimberley region of Western Australia. Distinguishing characteristics, habitat, and historical notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+lane-poolei

Cycas javana
- Discovered in 1842 on the island of Java and is now threatened with extinction. Etymology, morphological details, history and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+javana

Cycas inermis
- Although the third species of Cycas to be recognized, this taxon has never been properly understood. Typification and historical notes, detailed description with illustrations, habitat and literature.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+inermis

Cycas hongheensis
- Endangered due to ornamental usage. Distinguishing characteristics, morphology, history, literature, and etymology.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+hongheensis

Cycas hainanensis
- Known only from the wetter, eastern parts of Hainan Island. Illustrated physical description, etymology, history, conservation status and related history.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+hainanensis

Cycas guizhouensis
- This endangered species is typical of low, scrubby forests on steep slopes on limestone bluffs or screes. Description, photos, etymology, conservation status and history.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+guizhouensis

Cycas elongata
- Grows on coastal hills in southern Vietnam. Photos, morhology, etymology, and references.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+elongata

Cycas edentata
- Formerly described as a subspecies of Cycas circinalis. Detailed description, etymology, distribution, images, and relevant literature.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+edentata

Cycas desolata
- Known only from two populations near Charters Towers, Australia. Distinguishing features and detailed morphology.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+desolata

Cycas debaoensis
- Endangered species found in the county of Debao in western Guangxi province, China. Distinguishing features, illustrations, habitat details, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+debaoensis

Cycas curranii
- Named after forester and collector H. M. Curran. Physical description, distribution details, and related literature.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+curranii

Cycas conferta
- Occurs on sandy soils over granites or coarse sandstones. Etymology, distinguishing features, morphology, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+conferta

Cycas condaoensis
- Found on the Con Dao group in Vietnam. Photos, details, physical characteristics, and historical notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+condaoensis

Cycas clivicola
- Lives on cliffs in Thailand. Historical notes, relevant literature, images, and subspecies details.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+clivicola

Cycas chevalieri
- Honoring French botanist, explorer and historian Auguste Jean Baptiste Chevalier. Illustrations, structural details, etymology, habitat, and historical notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+chevalieri

Cycas panzhihuaensis
- Occurs in the Panzihua Prefecture of southern Szechuan Province, China. Morphology, illustrations, conservation status and historical notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+panzhihuaensis

Cycas chamberlainii
- Detailed morphological description of this green, glossy-leaved species.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+chamberlainii

Cycas changjiangensis
- This threatened species originates in Changjiang county in western Hainan province, China. Photos, a detailed description, habitat, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+changjiangensis

Cycas canalis
- Occurs at Channel Point, Australia. Distinguishing features, distribution, and subspecies.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+canalis

Cycas chamaoensis
- The mountain of Khao Chamao is the only known habitat of this endangered species. Details, photos, historical notes, and conservation status.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+chamaoensis

Cycas campestris
- Occurs in open grassy country. Detailed structural description, habitat, and distinguishing characteristics.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+campestris

Cycas bougainvilleana
- Distributed and developed on Bougainville Island, Australia. Illustrations, a detailed description, and local vernacular terms for the plant.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+bougainvilleana

Cycas brunnea
- Considered a restricted species. Detailed description, conservation status, and habitat.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+brunnea

Cycas basaltica
- Prefers basaltic lithologies. Distinguishing features, historical notes, structural details, and habitat.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+basaltica

Cycas badensis
- Occurs on Australia's Badu Island. Description of relevant morphological features.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+badensis

Cycas arnhemica
- Named after its habitat, central Arnhem Land in Australia. Detailed description, illustrations, and a subspecies.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+arnhemica

Cycas cairnsiana
- Under considerable long-term threat from commercial collectors. Distinguishing features, habitat, and conservation status notes.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+cairnsiana

Cycas arenicola
- Occurs in broken sandstone country. Etymology, description, habitat, and an illustration.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+arenicola

Cycas armstrongii
- Named after collector John Armstrong. Photo, historical notes, distinguishing features, and typification.
- http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/taxon.pl?name=Cycas+armstrongii

Cycas
- Key to the species and description.
- http://plantnet.rbgsyd.nsw.gov.au/PlantNet/cycad/cyckey.html