Killi
   
curve
Microsorum pteropus

Ishikawa

Sp. Ishikawa Island



green_gnome

Dennerle was starting to propagate and sell this in June 2022.



krabi

''"Latifolia" is the same as "Undulata" = "Krabi Wave", the Java fern variant that occurs mostly submerged in the Karst lakes near Krabi, southern Thailand.'' - Heiko Muth



oliver
other

Special strain grown by Oliver Knott used primarily as apparel.




prothallium

(definition) "Wave moss", formerly thought to be Loxogramme (a fern genus of family Polypodiaceae as well, but very different from Microsorum pteropus), has turned out as a Microsorum pteropus prothallium; it differs a little bit from the "Needle leaf" prothallium. Interestingly that even the prothallia show variation between the pteropus forms.

Sometimes erroneously sold as "Loxogramme" . The Java fern prothalliums can be distinguished from liverworts such as Riccardia and (much bigger) Mosolenium ("Pellia") as well as Lomariopsis prothallium by dark brown rhizoids instead of colourless, whiteish ones.

The sporophyte ("actual" fern plant) that develops on it shows clearly the features of M. pteropus. It seems to be a rather small, broad-leaved form. I know a variant with this look as "Sri Lanka"; maybe it's the same.

Heiko Muth



thin
borneo_needle narrow philippine
taiwan trident true_needle

Numerous forms

There are a number of thin leaved forms: Heiko Muth has done a good job sorting a few of these out; his article (in German) can be found here.



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