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Mike
wrote:
Yesterday
The five year and 150 mm circumference is probably just an indicator they are old enough to flower and fruit, as in some specimens on Mt Mugga Mugga. The sighting I posted today Pyrus calleryana (Callery Pear) had fruit. (I had forgotten that I had recorded this previously with flowers and fruit but the ID had been changed to Pyrus sp. so I didn't find it on the website.)
Pyrus calleryana
waltraud
wrote:
Yesterday
abread111 Mike
Not sure what the "5 year" limit is about. we know there are trees older than 5 years growing on public space / nature reserves that have not been planted by humans. And the young trees in the reserve east of the Fair would have grown older if not tackled. Once they achieve reproductive maturity, the invasion would have marched on. The Fair trees have been planted in 2012; it takes while to mature and produce offspring. I think FoMM caught the first invasion wave around 8 years later.
Not sure what the "5 year" limit is about. we know there are trees older than 5 years growing on public space / nature reserves that have not been planted by humans. And the young trees in the reserve east of the Fair would have grown older if not tackled. Once they achieve reproductive maturity, the invasion would have marched on. The Fair trees have been planted in 2012; it takes while to mature and produce offspring. I think FoMM caught the first invasion wave around 8 years later.
Pyrus calleryana
waltraud
wrote:
5 Feb 2026
all had bits of leaves which are either out of focus or not captured when I took photos; perhaps I should upload each individual plant separately
Crataegus monogyna
waltraud
wrote:
5 Feb 2026
hard to see because leaves are grazed; the woody weeds in surround area of approx 100m2 were hawthorns (41) or sweet briar (2) some had a couple of leaves or bits of leaves left so I could identify; the dead bit of branch visible on the left side is a cut from the hawthorn from work carried out in March 2025.
Crataegus monogyna
AndyRoo
wrote:
3 Feb 2026
Do you think it could be either Acaena x ovina or Acaena x anserovina?
Acaena (genus)
Significant sightings
- Thelymitra alpicola
- Mitrasacme serpyllifolia at Oallen, NSW
- Stylidium despectum at Cook, ACT
- Hypericum perforatum at Kambah, ACT
- Polygala japonica at Yass River, NSW
- Potentilla recta at Rendezvous Creek, ACT
- Pterostylis alpina at Cotter River, ACT
- Caladenia congesta at Uriarra Village, ACT
- Cytisus scoparius subsp. scoparius at Canberra Airport, ACT
- Calochilus saprophyticus at Tharwa, ACT
Species Richness Score (SRS)
16,006 
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