noun
- A showy tree fern of New Zealand and Australia having a crown of pinnated fronds with whitish undersides.
- synonyms: silver tree fern, sago fern, Cyathea medullaris
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). black tree fern. Retrieved September 21, 2026, from http://smartdefine.org/black_tree_fern/definitions/1260628 |
| Chicago | WordNet. 2010. "black tree fern" http://smartdefine.org/black_tree_fern/definitions/1260628 (accessed September 21, 2026). |
| Harvard | WordNet 2010, black tree fern, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/black_tree_fern/definitions/1260628>. |
| MLA | WordNet. "black tree fern" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/black_tree_fern/definitions/1260628> |