zz rusts, leaf spots,

Wamboin, NSW

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Identification history

zz rusts, leaf spots,	27 Sep 2022	Heino1
Puccinia malvacearum	17 Jul 2021	MichaelMulvaney
Unidentified	30 Jun 2020	natureguy

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User's notes

I'm not sure what this is? About half of the Modiola caroliniana plants had this rusty coating on the leaves. I'm guessing some sort of mite, or maybe a disease.

5 comments

MichaelMulvaney wrote:

17 Jul 2021

@KenT can you please check this one out - I don't think there are any records of the Modiola rust in Australia but this plant is in the Malvaceae

KenT wrote:

17 Jul 2021

Michael, I've sent you an email response considering the issues raised here.

MichaelMulvaney wrote:

17 Jul 2021

Part of Ken's email to me included the following "it is difficult to tell from the images what the orange material is. However, a rust cannot be ruled out. Unfortunately much closer and sharper images would be needed, ideally of both sides if the leaves to be more confident that it is a rust but to take it any further sample specimens would be necessary for microscopic examination. On the assumption that the host plant is as identified then the only rust seemingly known from this species is Puccinia modiolae thought to originally be from South America" (but it appears not to be in Australia). Also from the information that Ken sent Modolia carolina is NOT a known host of Puccinea Malvacearum

natureguy wrote:

17 Jul 2021

Hi @MichaelMulvaney , the plants in question have been removed however I have seen it on a few others around through time. If you would like a specimen I could try and find one. Host plant is definitely Modiola caroliniana.

MichaelMulvaney wrote:

17 Jul 2021

If you could press a specimen that would be good

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Location information

Coordinates 149.273719 -35.254699
Places Wamboin, NSW

Sighting information

4 - 15 Abundance
22 Apr 2020 02:28 PM Recorded on
natureguy Recorded by
Collections
Fungi Fungal galls, other rusts, leaf spots, etc Other rusts, leaf spots, sooty moulds natureguy Canberra & Southern Tablelands NatureMapr

Additional information

Less than 5mm Animal size
Unknown Gender

Species information

zz rusts, leaf spots, Scientific name
Common name
Not Sensitive
Local native
Non-invasive or negligible
Up to 619.1m Recorded at altitude
Machine learning

Record quality

Images or audio
More than one media file
Verified by an expert moderator
Nearby sighting(s) of same species
GPS evidence of location
Description
Additional attributes