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Cerastium maximum L.

12 photos.
Previously misidentified as Arenaria capillaris, the "tall sandwort", this species is known as the
"great chickwead" or "great mouse ear chickweed".  The stems of this plant arise from an underground
rhizome in the same manner as Chamerion angustifilium and Linaria vulgaris.

ITIS Taxonomic Serial No. 19957

1.  Early June.  Profile view of several blossoms photographed in a burn area.








2.  Early June.  Another profile view.

3.  Close-up of a blossom in photo 2.

4.  Same blossom with visitor.

5.  Late June.  Blossoms beginning to dry up.
Capsules in an early stage of development.

6. Late June.  Several plants with capsules
at various stages. Birch Creek pingo in

7.  Mid-June.  Capsule in early stage of
development.  Good view of sepals.

8.  Late June. Partially and fully developed

9.  Seeds from fully developed capsules
in photo 9.

10.  Entire stem with blossom.

11.  Entire stem with part of rhizome.

12.  June 11, 2014.  Close-up of a pair of


Photos 1-4, 7, and 10-12 taken south of
134 mile Steese Highway
65° 35.74' N,  144°  36.74' W
Elev. 900 ft.

Photo 5 taken along Steese Highway
east of Central.

Photos 6, 8 and 9 taken between
Seventeen Mile Slough and the
Birch Creek Pingo.
65° 42.282' N,  144°  23.552' W
Elev. 675 ft.