Bitter Fleabane, Northern Daisy
Erigeron nivalis
Synonyms: Erigeron acris ssp. debilis, Erigeron acris var. debilis, Trimorpha acris var. debilis)
The photo above shows a close-up of the flower
head and upper stem of northern daisy. Note the numerous narrow ray flowers
which are very short and barely extend past the involucral bracts. Photographed
at about 6700' at the base of rocky outcrops atop the steep north-facing slopes
of the Ridge of Wonders, Yakama Nation lands on the eastern slopes of Mt. Adams..........August 12, 2006. This variety typically
has one or occasionally several flower heads per stem. This species of fleabane
has relatively short ray flowers compared to other showier fleabanes found on
Mt. Adams.
The photo above shows a close-up of the flower head of northern daisy as seen from above. Note the numerous narrow ray flowers as well as
the numerous narrow ray flowers surrounding the central disk. Photographed at
about 6700' atop the Ridge of Wonders, Yakama Nation lands on the eastern slopes of Mt. Adams.........August
12, 2006.
The photo above shows a close-up of part of the inflorescence
of northern fleabane. Ridge of Wonders, Yakama Nation lands on the eastern slopes of Mt. Adams...........August 12, 2006.
The photo above shows a close-up of the spreading
hairs (both long and short) and the linear achene attached directly to the flaring
rays of the pappus of northern fleabane. Photographed at about 6700' atop the
Ridge of Wonders on the eastern slopes of of Mt. Adams.........August
12, 2006.
The photo above shows a flower head and developing seed head
of northern daisy on the Ridge of Wonders on the eastern slopes of of Mt. Adams.........August
12, 2006.
The photo above shows the oblanceolate basal leaves of northern daisy
as seen on the Ridge of Wonders, Yakama Nation lands on the eastern slopes of Mt. Adams...........August 12, 2006.
Paul Slichter