Just sort of interesting...

28 posts / 0 new
Last post
Lori S.
Title: Moderator
Joined: 2009-10-27

Is it native to Norway or introduced?  I often find it difficult to find out the natural ranges of European plants.  (I did see that it is native to the UK.)  That one is pretty but, unfortunately, is a very invasive and widespread plant in North America.

Lori Calgary, Alberta, Canada - Zone 3 -30 C to +30 C (rarely!); elevation ~1130m; annual precipitation ~40 cm

Mark McD
Title: Moderator
Joined: 2009-12-14

I agree Lori, the oxeye Leucanthemum vulgare (syn. Chrysanthemum vulgare) is an in an introduced weed throughout North America; I'm always ripping this plant out.  It is listed on a number of State noxious weed lists, and generally considered an undesirable invasive.

http://plants.usda.gov/java/profile?symbol=LEVU&mapType=nativity&photoID...http://en.wikipedia.org/wiki/Leucanthemum_vulgare

Mark McDonough Massachusetts, USA, near the New Hampshire border USDA Zone 5 antennaria at aol.com  

Hoy
Hoy's picture
Title: Member
Joined: 2009-12-15

It is native here but some forms are probably introduced. And although it is invasive in disturbed areas it is in fact declining in some places, notably pastures. Some forms are rather shortlived but others (like the left shown above) are almost perpetual ;)

Trond Rogaland, Norway - with cool, often rainy summers  (29C max) and mild, often rainy winters (180 cm/year)!

RickR
Title: Moderator
Joined: 2009-09-21

I have only seen one form of this invasive here in Minnesota.  But I suppose that would be the norm: being variable in its place of origin, and not so much where it has been introduced.  It is fairly widespread throughout the state, but really only common in the northern half, at least from what I have seen. 

Rick Rodich    zone 4a.    Annual precipitation ~24 inches near Minneapolis, Minnesota, USA

Barstow
Barstow's picture
Title: Member
Joined: 2010-08-27

Trond: I would be interested in getting hold of your different forms of Leucanthemum vulgare next time you're up here  :)

Stephen Barstow Malvik, Norway 63.4N Age: Lower end of the 20-25,000 day range

Hoy
Hoy's picture
Title: Member
Joined: 2009-12-15

It's  a bit difficult, Stephen. Next time is  - vinterferie! But when the snow thaws ;)

Trond Rogaland, Norway - with cool, often rainy summers  (29C max) and mild, often rainy winters (180 cm/year)!

Barstow
Barstow's picture
Title: Member
Joined: 2010-08-27

I can probably wait that long  :)

Stephen Barstow Malvik, Norway 63.4N Age: Lower end of the 20-25,000 day range

Pages

Log in or register to post comments