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Wildlife Spotting

Photo by tigerice45
Published on Project Noah
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21.3162, -157.707

Field Notes

Description:

Wet highlands on ridge in Oahu Hawaii

Habitat:

Moist highland

Notes:

The question at hand is whether the small spots on this fern are spores or not?

Species ID Suggestions

lauae, maile scented fern

Phymatosorus grossus

Reference Link
craigwilliams
2

Comments (2)
craigwilliams
The underside of the spots are called sori. These are groups of structures called sporangia, often covered by a cap called an indusium. Inside each sporangia is a multitude of spores. There's quite a good diagram of fern reproduction if you scroll down a bit here: http://www.bio.miami.edu/dana/docs/altgen.html
Photographed
PublishedDecember 14, 2011

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