Asplenium adiantoides POLYPODIACEAE

Sample information

Sample ID407-21-1-22b
Common namespleenwort


Pollen / Sporespore
Morphologic typemonolete
Surface patternpsilate
Equatorial sizemean 50
Polar sizemean 20
Equatorial shapeoblate, prolate
Aperture count1
Wall thickness1.5
Wall evennesseven
Morphology notesPerispore often attached as also seen with sporangeum. Psilate/monolete. Perispore typically winged, spiny, reticulate or perforate.

Ecology and Geography

Plant typefern
Floristic region(s)India (tropical) , Northwest Pacific , West Pacific , Central Pacific , East Pacific Islands , China (tropical) , New Zealand (north) , Other outside Australasia , Maritime Southeast Asia , Australia (tropical)
Vegetation communitieswoodland
Habitat notesOccurs in Asia, tropical Australia, New Zealand, Polynesia, east Africa and adjacent islands.In crags and under forest canopies. Common on slopes of mountains. worldwide distribution. Noted by Skottsberg in 1920 and by Gossen in 2010 in the crater lake Rano Kao, Rapa Nui. Gossen identified the fern growing 110m from the edge of the lake on the floating mat of moss peat. Fertile. Scarce and limited to the crater lake of Rano Kao. Terrestrial, on rock or rarely epiphytic. Stems erect or nearly erect, rarely long-creeping, scaly.


CollectorGrant 3758
Collection siteSociety Islands, Tahiti
Collection countryFrench Polynesia
Collection date1930-06-06
Collection notesProcessed at the Pollen Laboratory, University of Minnesota, USA from the collecton of Ed Cushing, slide ref. B1725
Equatorial view
Polar view
Surface pattern
Wall view
Aperture view
Unique feature