FLORA OF VIETNAM Polypodiaceae s.l. Tectaria devexa (Kuenze ex Mett.) Copel. var. devexa
N. Vietnam, Thai Nguyen prov., Vo Nhai distr., Than Sa municipality, vicinities of Kim Son village (N 21°48′ E 105°54′), 23.3 km to 18° of Thai Nguyen city. Primary closed evergreen broadleaved forest on steep rocky slopes and cliffs of remnant karst limestone ridge at about 100-200 m a.s.l. Lithophytic fern on shady rocks. Common.
NTH 3764 22 Oct. 1999 Det Peter J. Edwards 23/02/2005