Asplenium humbertii Tardieu




Asplenium humbertii Tardieu, Aspl. Tonkin 25, t. 2, f. 1–2. 1932; Tardieu & C.Chr., Fl. Indo-Chine 7(2): 218. 1940; Holttum, Gard. Bull. Singapore 27: 154. 1974; Tagawa & K.Iwats., Acta Phytotax. Geobot. 29: 23. 1978; Tagawa & K.Iwats., Fl. Thailand 3: 270. 1985; Boonkerd & Pollawatn, Pterid. Thailand: 141. 2000. – Neottopteris humbertii (Tardieu) Tagawa, J. Jap. Bot. 22: 161. 1949.


Lithophytic. Similar to Asplenium antrophyoides Christ, different from it in: sterile frond narrowly decurrent to stipe, the wing about 3 mm at each side at middle portion of stipe .

Distribution in Thailand

NORTHERN: Chiang Mai.

Wider Distribution

N Vietnam.


On wet limestone cliff in dense forests at about 500 m alt.

IUCN Conservation Assessment

Data Deficient (DD). In Thailand this species is known only in Doi Chiang Dao National Park which suffers a great deal of disturbance, particularly through fire.  However, its status in Vietnam and whether it also occurs in northern Laos is uncertain.

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