Cheilanthes sieberi is a small fern growing in many parts of Australia, New Zealand and nearby islands. Common names include poison rock fern and mulga fern.[2]

Cheilanthes sieberi
Rock fern growing by the Lane Cove River, Australia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Family: Pteridaceae
Genus: Cheilanthes
Species:
C. sieberi
Binomial name
Cheilanthes sieberi
Synonyms[1]
  • Cheilanthes erecta Colenso
  • Cheilanthes preissiana Kunze
  • Cheilanthes sieberi Kunze
  • Cheilanthes tenuifolia subsp. sieberi (Kunze) Domin
  • Hemionitis sieberi (Kunze) Christenh.

This fern may grow up to 25 cm tall. It is a widespread plant, seen in a variety of different habitats: it occurs in arid areas as well as sites with over 1500 mm of annual average rainfall. In desert areas it grows in shaded rocky gullies. However, near the coast, it can grow in full sun in cracks of rocks, or in thin soils.

Consumption by stock edit

Excessive consumption of this fern can cause health issues for sheep and cattle .[3][4][5]

References edit

  1. ^ "Hemionitis sieberi (Kunze) Christenh". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2020-01-05.
  2. ^ "Cheilanthes sieberi". PlantNET - NSW Flora Online. Retrieved 2010-07-11.
  3. ^ "Sheep Health & Production". University of Sydney - Veterinary Science. Archived from the original on 2012-03-09. Retrieved 2010-07-11.
  4. ^ "Mulga & Rock Ferns". North West Weeds. Archived from the original on 2011-02-16.
  5. ^ "Bracken Fern Poisoning". Merck Veterinary Manual.