Elfin Tree Fern (Cyathea X dryopteroides) | U.S. Fish & Wildlife …
Cyathea drypteroides, commonly known as the elfin tree fern, is a fern endemic to the elfin (cloud) or dwarf forests of the central mountains of Puerto Rico. It is found in the peaks of Monte …
The June 16, 1987 final rule (52 FR 22936) and the Ilex cookii and Cyathea dryopteroides Recovery Plan (hereafter the “Plan”), approved on January 31, 1991 (USFWS 1991), are the …
Cyathea dryopteroides - Earth.com
2016年12月22日 · Elfin tree fern, Cyathea dryopteroides, is a small or dwarf tree fern reaching 24 in (61 cm) in height and approximately 1 in (2.5 cm) in diameter. The fronds are bipinnate, …
Elfin Tree Fern - Encyclopedia.com
Elfin tree fern, Cyathea dryopteroides, is a small or dwarf tree fern reaching 24 in (61 cm) in height and approximately 1 in (2.5 cm) in diameter. The fronds are bipinnate, nearly hairless, …
Elfin Tree Fern / Center For Plant Conservation - saveplants.org
Cyathea dryopteroides is a small tree fern ~ 2 feet tall with a one inch trunk. The individual fronds are ~ 3 feet long. It grows exclusively in Elfin...
Elfin Tree Fern (Cyathea dryopteroides) · iNaturalist
Cyathea × dryopteroides is a tree fern native to Puerto Rico, where it grows at an altitude of 1000–1200 m. It is now known to be of hybrid origin between Cyathea amintae and Cyathea …
Recovery Plan Ad Hoc Report results - FWS
Cyathea population was monitored by Fairchils 2014-2016 - Cyathea gametophytes and sporophyte growth was assessed by Fairchild 2022- Fertile fronds of C. dryopteroides were …
Elfin tree fern(Cyathea dryopteroides) 5-Year Review | U.S. Fish ...
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Cyathea dryopteroides Maxon - GBIF
Tree Ferns. 359. U. S. Fish and Wildlife Service, 1987: Endangered and Threatened Wildlife and Plants; Determination of Endangered Status for Cyathea dryopteroides and Ilex cookii. Federal …
Cyathea X dryopteroides (elfin tree fern) - Plantae - Biology …
Scientific name: Cyathea X dryopteroides Author: Maxon Rank: Species Status: accepted Images of Cyathea X dryopteroides Common names: elfin tree fern (English) Synonyms: = Alsophila …