Can't help with the grasses, but the last one is spurge. If it keeps
coming up in the same places, it's because there are thousands of
seeds ready to sprout at any opportunity.
You can try starting here to ID your grass:
Pat, thanks for info about spurge! Glad also to learn that it is
poisonous. Most plants with white sap seem to be poisonous to some
degree. I once got white sap from a candelabra cactus in my eye and
within a few minutes I started having trouble breathing. Ended up at the
ER, but all they could do was keep flooding eyes with water. $500 later
everything was back to normal.
While I doubt the generalisation that white sap equals poison is always
true, like many domesticated plants the lettuce has been bred from an
ancestor that was much less tasty than the modern version. The wild lettuce
is quite bitter which you get with some modern cultivars under some
conditions, such as when they get old and going to seed. There are reports
that it is not entirely benign, see:
A great many plants evolved nasty tasting and irritating components to deter
would-be feeders. Some we have bred to be less pungent in taste others we
have allowed to keep their strong flavour and now call them herbs and
Your "candelabra cactus" was undoubtedly a very large spurge (Euphorbia) or a very close
relative. (Cacti do not have milky latex!).
While not all plants with latex are toxic to humans, enough are that it's always a good sign
to be cautious.
Thanks a lot for the info Kay! That's exactly what it is! Neighbors
have all said it was candelabra that I never checked. It was about
10-ft in height 20 years ago and is still growing. Now 17 to 18 ft.
Trunk is 15-in diameter near the base.
Simliar to this one...
Euphorbia canariensis, commonly known as the Canary Island spurge or the
Hercules club, is a succulent member of the family Euphorbiaceae and
genus Euphorbia endemic to the Canary Islands.
The Canary Island spurge is a small tree, growing to between 3 and 4
metres (9.8 and 13 ft) high. It is made up of fleshy quadrangular or
pentagonal trunks that look like cacti. The leaves grow in clusters of
three or four and have inward-turning spines 5 to 14 millimetres (0.20
to 0.55 in) long. It produces reddish-green flowers. It is hardy to
-2 °C (28 °F).
*** The latex, which contains diterpenes is considered highly toxic.
I was gonna make a smart-alec remark that the first 2 are grass and the
last was a weed, and HTH. But they *might* be sedges instead of grass
and then wouldn't I be embarrassed. (I'm pretty sure they are annual
The last one is prostrate spurge, Euphorbia supina or Euphorbia maculata.
Any idea what the name of this weed is? It shows up in the same spots every
year, even after pulling it up by the roots
This one looks to me like it could be wireweed: polygonum aviculare but I
can't see from your pic, if it has any tiny flowers on not.
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