Ristantia pachysperma

Ristantia pachysperma (F.Muell. & F.M.Bailey) Peter G.Wilson & J.T.Waterh. (1982) . 
Critically endangered from the threats of Myrtle Rust .

Zich et al. (2020) Australian Tropical Rainforest Plants information system (RFK ed. 8), 
quotation: " 

Distribution and Ecology

Endemic to the wet tropics bio-region NE. Qld.,
restricted to the area between Cape Tribulation and Mourilyan.
Altitudinal range from sea level to 100 m.
Grows in well developed lowland rain forest often on the margins of freshwater swamps.

" . 

Botanical Scholarly Literature References:   

• Australian Plant Name Index (APNI) and Australian Plant Census (APC) (2025):
Council of the Heads of Australasian Herbaria (CHAH):
Ristantia pachysperma (F.Muell. & F.M.Bailey) Peter G.Wilson & J.T.Waterh. (1982): → https://id.biodiversity.org.au/name/apni/114292/api/apni-format .
Ristantia ...: → https://biodiversity.org.au/nsl/services/search/names?product=APNI&tree.id=&name=Ristantia&inc._scientific=&inc.scientific=on&max=100&display=&search=true
Viewed: 2025 December 3rd . 

• Zich Frank A, Bernie P M Hyland, Trevor Whiffin, Raelee A Kerrigan (2020) [1971]
Australian Tropical Rainforest Plants information system and botanical matrix identification key - edition 8 ('RFK 8'): 
 fact sheet: → https://apps.lucidcentral.org/rainforest/text/entities/.htm 
Main site web page: → https://apps.lucidcentral.org/rainforest/
Viewed: 2025 December 3rd .

• Bean Anthony R (Leptospermoideae) and Gordon P Guymer, Qld Herbarium (2025) 
Census of the Queensland Flora and Fungi 2024.
Ristantia pachysperma (F.Muell. & F.M.Bailey) Peter G.Wilson & J.T.Waterh. – "Nature Conservation Act (NCA) Status : Critically endangered" .
Queensland Department of Environment, Tourism, Science and Innovation, Queensland Government.
→ http://www.data.qld.gov.au/dataset/census-of-the-queensland-flora-and-fungi-2024
Dataset Accessed: 2025 September 19th . 

• Cooper, Wendy and William T (2004 June) 
Fruits of the Australian Tropical Rainforest.
—pages: 354–355 .
Clifton Hill, Victoria, Australia: Nokomis Editions. ISBN 9780958174213 . 

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