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Senecio congestus (R. Br.) DC.
Tephroseris palustris (L.) Rchb.

7 photos.
This is the "mastodon flower", "marsh fleabane" or "clustered marsh ragwort", a tall robust plant
which often appears with fireweed in burn areas.  It also shows up on overburden piles after an
area of permafrost has been mined. All photos were taken in early July. This species is now
T. palustris according to ITIS, GBIF and FNA

 

 

 

 

 

 

 


1.  Plant in a burned swamp.

2.  Closer view of upper plant.

3 .  Close-up of terminal cluster.

4.  Plant in a burn area.

5.  Closer view of plant.

6.  Closer view of upper plant.

7.  Close-up of terminal cluster.

Photos 1-3 taken in a burned swamp between the
lakes north of the Birch Creek pingo.
65°  42.407' N,   144°  23.835' W
Elev. 700 ft.

Photos 4-7 taken in a burned wooded area
south of 133 mile Steese highway.
65°  35.66' N,   144°  37.472' W
Elev. 950 ft.