Pollen and Spore Atlas

Asplenium adiantoides POLYPODIACEAE

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equatorial view
equatorial view
polar view
polar view
surface pattern
surface pattern
wall view
wall view
aperture view
aperture view
unique feature
unique feature


Pollen / Spore Morphologic Type(s) Surface Pattern(s) Equatorial Size Polar Size Equatorial Shape(s)
min max mean min max mean
spore monolete psilate 50.0 20.0 oblate,

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Aperture Count(s) 1
Wall Evenness(es) even
Wall Thickness 1.5
Morphology Notes Perispore often attached as also seen with sporangeum. Psilate/monolete. Perispore typically winged, spiny, reticulate or perforate.

Ecology and Geography

Plant Type Floristic Region(s)
fern India (tropical),
China (tropical),
Maritime Southeast Asia,
Australia (tropical),
Northwest Pacific,
West Pacific,
Central Pacific,
East Pacific Islands,
New Zealand (north),
Other outside Australasia

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Vegetation Community(-ties) woodland
Common Name spleenwort
Habitat Notes Occurs 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.
Herbarium Link:


Grant 3758

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Collection Site Society Islands, Tahiti
Collection Country French Polynesia
Collection Date 1930-06-06
Herbarium Notes MIN 290070
Preparation Method Cor, KOH, saf
Slide Medium silicon
Preparation Date 2007-12-14
Collection Notes Processed at the Pollen Laboratory, University of Minnesota, USA from the collecton of Ed Cushing, slide ref. B1725