Observation 20045: Geastrum nanum Pers.


[admin – Sat Aug 14 01:59:49 +0000 2010]: Changed location name from ‘Darscho,Apetlon,Bezirk Neusiedl am See,Burgenland,Austria’ to ‘Darscho, Apetlon, Bezirk Neusiedl am See, Burgenland, Austria’


Proposed Names

86% (1)
Recognized by sight: is synonymous to G.nanum and common in sandy areas and semi-steppes of Eastern Europe

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G. nanum is a misapplied name for Geastrum schmidelii
By: Irene Andersson (irenea)
2009-04-08 03:11:09 CDT (-0400)

The name Geastrum nanum is older, BUT NOT to be applied to this taxon.
It’s easy to see in Persoons own publication of it from 1809, that it’s another species with a well defined collar, not the same kind of peristome as schmidelii, and it’s also described as similar to pectinatum, but smaller.

This site is a treasure:
search for Geastrum nanum,
See Journal of Botanique 2, pages 2 (picture 3) and 27 (description)
(yes, it’s in french..)

Geastrum nanum should probably be considered a deprecated synonym to Geastrum striatum…

By: Gerhard Koller (Gerhard)
2009-04-07 18:22:32 CDT (-0400)

that is what I do but than they say G.schmidelii is an old name and you have to choose nanum instead … that’s why I have nanum as name and in my observations also stands that the synonym is nanum …

By: Irene Andersson (irenea)
2009-04-07 17:25:02 CDT (-0400)

I suppose you use the name Geastrum schmidelii too (with nanum as a synonym)?