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Micranthes nelsoniana (D. Don) Small
Saxifraga nelsoniana D. Don

16 photos.
A streambed species with a relatively compact terminal cluster known as the "heartleaf saxifrage",
"cordate-leaved saxifrage", "brook saxifrage" or "salad greens". There are two varieties found in our area
Var. nelsoniana and var. porsidianaPorsidiana has smaller, less fleshy leaves and the split style is
not divided as deeply as in nelsoniana.  The specimens from this area have not been identified beyond
the species level.

ITIS Taxonomic Serial No. 895014








1.  Late June.  A single plant with a
compact terminal blossom cluster.  Note how
red and hairy the stem is and ignore the
out-of-focus cluster.

2.  Early July.  Several plants with blossom
clusters which have branched out.  Note that
the stems vary in color.

3.  Early July.  Close-up of the terminal
cluster of the red-stemmed plant in photo 2.
The sepals have a green base with red tips.
Count the styles on the terminal blossom.

4.  Mid June.  Several plants with compact
terminal clusters.

5.  Mid June.  Closer view of three of the
terminal flower clusters in photo 4.
Note that the twin styles have already developed.

6.  Close-up of one of the clusters in photos
4 and 5.  Note the flesh-colored tips on the
styles and the degree to which these tips
bend outward.

7.  Mid-June.  Bases of the plants in the
previous three photos.

8.  Early July.  A hairy, leathery leaf.

9.  July 29, 2009.  A hairy red leathery leaf.

10.  June 12, 2009.  Plant with blossom
prior to stem elongation.

11.  June 12, 2009.  A group of plants with
elongated stems.

12.  July 11, 2009.  A terminal cluster in bud.

13.  July 11, 2009.  A terminal cluster.
Note that some of the individual flowers
have dropped their petals and sepals.

14.  July 29, 2009.  A group of leaves with a
single stem. 

15.  July 29, 2009.  Maturing follicles.  The left
bloom has three follicles rather than the
usual two.


16.  July 29, 2009.  A plant which has gone
to seed.  Note that the stem and the pedicels
have elongated considerably.

Photo 1 taken along the Pinnell
Mountain Trail between milepost 2
and milepost 3.

Photos 2, 3 and 8 taken in the saddle between
Miller Fork of Eagle Creek and Miller Creek.
65° 28.650' N,  145° 22.151' W
Elev. 3700 ft

Photos 4-7 taken on Mastodon
Creek beyond the end of the road.
65°  26.2' N,   145°  19.6' W
Elev. 3200 ft.

Photos 9 and 14-16 taken above the Pinnell
Mountain Trail near milepost 2.
Latitude: N 65° 29' 41.345"
Longitude: W 145° 27' 53.28"
Altitude: 1191.45 m

Photos 10 and 11 taken on the
hillside above the right limit of Harrison creek
between Squaw creek and Bottom Dollar creek.
Latitude: N 65° 22' 28.092"
Longitude: W 144° 51' 1.60"
Altitude: 658.58 m


Photos 12 and 13 taken in a ravine west of
Twelvemile Summit.
65° 23.6' N, 145° 58.8' W
Elev. 2950 ft.