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Pedicularis langsdorfii Fisch. ex Steven

18 photos.
A beautiful red flowered (often multistemmed) , alpine species referred to as "Langsdorf's lousewort"
or the "Arctic lousewort".  Pedicularis langsdorfii Fisch. ex Steven. has been moved to the
family Orobanchaceae according the ITIS Standard Report for Taxonomic Serial No. 834152.








1.  May 18, 2009.  Sprouting plant.

2.  Early June.  Two red basal leaves.

3.  Early June.  Green-leaved plant with a
few blossoms.

4.  Early June.  Close-up of far stem in
photo 3.  The long bracts on the upper
stem are characteristic of P. langsdorfii
ssp. arctica

5.  Early June.  Single-stemmed plant with red
leaves and buds.

6.  Early June.  Close-up top view of plant
in photo 5.

7.  Early June.  Red-leaved plant with
several flowers in the late-bud stage.

8.  Early June.  Cluster of green-leaved stems
in full bloom.

9.  Late June.  Flash photo of a green-leaved

10.  Late June.  View from a higher angle
of the plant in photo 9 taken without

11.  Late June. Red-leaved plant with
developing capsules.

12.  Late July.  Green-leaved plant with
well developed acuminate capsules.

13.  Late July.  Close-up of tip of the
stem of the plant in photo 12.

14. June 1, 2009.  Three stems one of which
has elongated.

15. June 1, 2009.  Top view of the
stems in photo 14.

16. June 1, 2009.  A young plant just
beginning to bloom.

17. June 3, 2009.  Another multi-stemmed
plant with one stem elongated.

18.  June 15, 2012.  A group of plants
along the boardwalk near the end of the
Pinnell Mountain Trail.

Photos 1-12 taken on the Central
side of Eagle Summit in the ditches
north and south of the
Steese Highway.
65°  30.1' N,   145°  22.8' W
Elev. 3700 ft.

Photos 14, 15 and 17 taken on Eagle Summit
at the Pinnell trailhead road.
65° 29.03' N, 145° 24.52' W
Elev. 3600 ft.

Photo 16 taken at 25 mile Pinnell
Mountain Trail.
Latitude: N 65° 25' 17.023"
Longitude: W 145° 56' 36.13"
Altitude: 1237.83 m.


Photo 18 taken at approximately 27
mile Pinnell Mountain Trail.
Latitude: N 65° 24' 11.4"
Longitude: W 145° 58' 50.3"
Altitude: 1060 m.