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Erigeron lonchophyllus
Erigeron lonchophyllus.  Synonym: Trimorpha lonchophylla. (Lance-leaf Daisy)
Asteraceae (Sunflower Family)

Montane, subalpine.  Moist, rocky meadows.  Summer.
Wildcat Trail, August 28, 2007.

This is such a slender plant that it is easily overlooked.  The plant grows from one to twenty-four inches tall; its basal leaves are long and narrow and its stem leaves are few, alternate, and short; and flower heads have numerous, but very short, ray flowers.  Phyllaries are in several rows, light green, and are purple on the sharp tips.  (See next photograph.)  

Erigeron lonchophylla is said by Weber to grow in "wet meadows and seepage areas of screes and rocky slopes near timberline", but I found these plants growing at the much lower elevation of 8,400 feet on the rocky, grassy banks of a small stream.  Stanley Welsh (A Utah Flora) says the plant is found in "marshes, stream banks, seeps, perched springs, and wet meadows at 1330 to 2900 meters" Erigeron expert, Guy Nesom, agrees with Welsh.

The photographs on this page show the first records of Erigeron lonchophylla in Montezuma County, Colorado.

This plant was first collected by Thomas Drummond in Saskatchewan in 1826 and it was named Erigeron lonchophyllus by William Hooker in his 1834 Flora Boreali-Americana.   Guy Nesom renamed it Trimorpha lonchophylla in 1989, putting it in a genus named by Cassini in 1817.  But in the 1990s Nesom reverted to the original "Erigeron" name.   In his words (in an email to me): "I once thought that Trimorpha probably had a different evolutionary background than the rest of Erigeron and thus should have separate recognition at generic rank.  But molecular studies showed that I was wrong about that".

"Lonchophylla" means "lance-leaved".

Erigeron lonchophyllus
Erigeron lonchophyllus.  Synonym: Trimorpha lonchophylla. (Lance-leaf Daisy)
Asteraceae (Sunflower Family)

Montane, subalpine.  Moist, rocky meadows.  Summer.
Wildcat Trail, August 15, 2007.

Erigeron lonchophyllus
Erigeron lonchophyllus.  Synonym: Trimorpha lonchophylla. (Lance-leaf Daisy)
Asteraceae (Sunflower Family)

Montane, subalpine.  Moist, rocky meadows.  Summer.
Wildcat Trail, August 15, 2007.

Range map © John Kartesz,
Floristic Synthesis of North America

State Color Key

Species present in state and native
Species present in state and exotic
Species not present in state

County Color Key

Species present and not rare
Species present and rare
Species extirpated (historic)
Species extinct
Species noxious
Species exotic and present
Native species, but adventive in state
Eradicated
Questionable presence

Range map for Erigeron lonchophyllus