Plesioneuron costulisorum

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Plesioneuron costulisorum


Asia-Tropical, Eastern New Guinea present
Malesia: Eastern New Guinea, in forest, at altitudes to 1000 m.


Other specimens which agree in frond- form and. sori have differences in pubescence. Pullen 8417 from 250 m in Milne Bay District differs in sparse shorter hairs on the lower surface of rachis and costae and lacks hairs between veins. Croft & Lelean 68533, from a low altitude near the coast 93 km S.E. of Lae, has slender pale hairs 1 mm long on the lower surface of costules and many short hairs between veins. See also note above on P. ophiura.