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Page created November 11, 2002
Page last updated April 6, 2022

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Navigate this Page - "Genus Taraxacum: Dandelions"

Taraxacum ceratophorum ("typical form")
Taraxacum ceratophorum ("Labrador Straits form" - perhaps a small-flowered form of T. laurentianum? - see comments in the main entry, below)
Taraxacum lapponicum
Taraxacum latilobum
Taraxacum laurentianum
Taraxacum officinale
Taraxacum officinale var.
Taraxacum cf. phymatocarpum

[Note: The taxonomy of Taraxacum is especially troublesome because of the particularly strong tendancy of the taxa within the genus towards "apomixis" - essentially, self-cloning - egg cells do not require pollination, but develop directly into seeds, producing identical copies of the parent plant! Thus, every clonal lineage continually reproduces itself, essentially unchanged until its next significant mutation, as a distinct "microspecies" within its greater "species group"!

The recent tendancy of North American taxonomists has been to combine apparently closely-related Taraxacum taxa.]

Taraxacum ceratophorum (Ledebour) de Candolle ["typical" form] [Includes Taraxacum hyperboreum Dahlstedt, and Taraxacum lacerum Greene sensu Fernald (1950)]  -  Horned Dandelion - [NF, LAB]

Just west of Cook's Harbour, Newfoundland. Near Wild Bight Cemetery. Disturbed meadow near beach. Limestone influence. July 7, 2002. [Digital - John Maunder]

Flower Head, Side View
Flower Heads
Whole Plant
Whole Plant

East of L'Anse-au-Loup, Labrador. Battery Head Trail. Exposed cliff top. July 10, 2002. [Digital - John Maunder]

Flower Head
Flower Head [Leaf rosette visible]
Flower Head, Side View
Flower Head, in Bud
Developing Seeds [herbarium specimen]
Whole Plant with Astragalus robbinsii var. minor
Whole Plant with Astragalus robbinsii var. minor

Raleigh, Newfoundland. Aunt Martha's Hill [Piton Point], north of main town. Limestone scree, below cliffs on seaward side of point. July 15, 2003. [Digital - John Maunder]

Involucre

Burnt Cape, Newfoundland. Limestone gravels. July 15, 2003. [Digital - John Maunder]

Flower Head, Side
Flower Head, Fading
Flower Head, Fading
Flower Head, Fading
Flower Head, Fading
Flower Head, Fading
Flower Head, Fading
Flower Head, in Bud
Leaf
Leaf
Whole Plant

Burnt Cape, Newfoundland. Limestone gravels. July 15, 2003. [Digital - John Maunder]

Flower Head, Top
Flower Head, Side
Flower Head, Side
Flower Head, Fading
Involucre
Leaf Bases
Whole Plant

Raleigh, Newfoundland. Aunt Martha's Hill [Piton Point], north of main town. Limestone scree, below cliffs on seaward side of point. July 15, 2003. [Digital - John Maunder]

Flower Head, Side
Flower Head, Side
Flower Head, Side
Flower Head, Side
Flower Head, Opening
Flower Head, Unopened
Flower Head, in Late Bud
Flower Head, in Bud
Flower Head, Fading
Flower Head, Fading
Heads
Leaf Bases
Leaf
Leaves
Leaves
Whole Plants

Raleigh, Newfoundland. Aunt Martha's Hill [Piton Point], north of main town. Limestone scree, below cliffs on seaward side of point. July 16, 2003. [Digital - John Maunder]

Flower Head, Top
Flower Head, Side
Flower Head, Side
Flower Head, Side View
Flower Head, Opening
Flower Head, Opening
Flower Heads
Heads
Involucre
Leaf Bases
Whole Plant

Raleigh, Newfoundland. Aunt Martha's Hill [Piton Point], north of main town. Limestone scree, below cliffs on seaward side of point. July 22, 2002. [Digital - John Maunder]

Flower Head, in Fruit
Seed, Closeup [herbarium specimen]
Puffball, Closeup
Puffball
Leaf Rosette
Whole Plant

Shuldham Island, Saglek Bay, Labrador. July 28, 1981. [Digital - John Maunder]

Seed, Closeup [herbarium specimen]

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Taraxacum ceratophorum (Ledebour) de Candolle ["Labrador Straits form" - closely resembles Taraxacum laurentianum (sensu Fernald 1950) in that the "hammers" of the "caliculi" are very pronounced - contrarily, flower size is perhaps a bit small - this form requires further checking]  -  Horned Dandelion - [NF, LAB]]

L'Anse-Amour, Labrador. Below limestone cliff and scree, just past village. July 10, 2002. [Digital - John Maunder]

Flower Head, Side View
Whole Plant

L'Anse-Amour, Labrador. Below limestone cliff and scree, just past village. July 10, 2002. [Digital - John Maunder]

Flower Head
Flower Head, in Bud
Whole Plant
Whole Plant

L'Anse-Amour, Labrador. Below limestone cliff and scree, just past village. July 28, 2003. [Digital - John Maunder]

Flower Head, Fading
Flower Head, Fading
Flower Head, Fading
Flower Head, Fading
Flower Head, Fading

L'Anse-Amour, Labrador. Below limestone cliff and scree, just past village. August 5, 2003. [Digital - John Maunder]

Flower Head, Fading
Flower Head, Fading
Flower Head, Fading
Flower Head, Fading
Flower Head, Fading
Flower Head, Fading
Flower Heads, Fading
Puffball, Side, Closeup
Puffball, Side
Puffball, Side
Leaves

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Taraxacum lapponicum A. O. Kihlman  -  Lapland Dandelion - [NF, LAB]

Fox Point, L'Anse-Amour, Labrador. Open heath. Limestone influence. July 10, 2002. [Digital - John Maunder]

Flower Head
Whole Plant

Barr'd Harbour Hill, Highlands of St. John, Newfoundland. "Weigand's Meadow". Above treeline. Open shrubbery. July 13, 2002. [Digital - John Maunder]

Flower Head
Flower Head
Flower Head, Faded
Leaf Bases
Leaf Bases
Whole Plant

Raleigh, Newfoundland. Aunt Martha's Hill [Piton Point], north of main town. Limestone scree, below cliffs on seaward side of point. July 15, 2002. [Digital - John Maunder]

Flower Head, Side
Flower Head, Fading
Leaf Bases
Whole Plant

Burnt Cape, Newfoundland. North end. Open limestone heath. July 15, 2002. [Digital - John Maunder]

Flower Head, Side
Leaf Bases

Raleigh, Newfoundland. Aunt Martha's Hill [Piton Point], north of main town. Limestone scree, below cliffs on seaward side of point. July 16, 2002. [Digital - John Maunder]

Flower Head, Top
Flower Head, Bottom
Flower Head, Fading
Leaf Bases
Whole Plant
Whole Plant

Raleigh, Newfoundland. Aunt Martha's Hill [Piton Point], north of main town. Limestone scree, below cliffs on seaward side of point. July 22, 2002. [Digital - John Maunder]

Flower Head
Flower Head, Side View
Flower Head, Side View
Flower Head, Fading
Leaf Rosette
Whole Plant
Whole Plant

Raleigh, Newfoundland. Aunt Martha's Hill [Piton Point], north of main town. Limestone scree, below cliffs on seaward side of point. July 22, 2002. [Digital - John Maunder]

Flower Head
Flower Head, Side View
Leaf Rosette
Leaf Rosette
Whole Plant

L'Anse-Amour, Labrador. Disturbed heath below limestone scree. August 5, 2003. [Digital - John Maunder]

Seeds
Seeds
Seeds
Puffball and Seeds
Puffball and Seeds
Puffball and Seeds
Puffball and Seeds
Leaf Bases

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Taraxacum latilobum de Candolle [sensu Fernald (1950)]  -  Broadlobed Dandelion - [NF - RARE]

Cap St. George, Newfoundland. Municipal park. Disturbed area near parking lot. Limestone influence. July 21, 2003. [Digital - John Maunder]

Flower Head, Faded
Leaf
Leaves
Leaves
Leaves
Leaf Bases, Closeup
Leaf Bases
Whole Plant
Whole Plant

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Taraxacum officinale F. H. Wiggers  -  Common Dandelion - [NF, LAB] [i]

St. John's, Newfoundland. Duckworth Street. Sidewalk plant. May 22, 2002. [Digital - John Maunder]

Whole Plant

St. John's, Newfoundland. Church Hill. Sidewalk plant. May 22, 2003. [Digital - John Maunder]

Bud
Bud
Bud

St. John's, Newfoundland. Cathedral Street. Sidewalk plant. May 22, 2003. [Digital - John Maunder]

Seed
Seed
Seed
Seed
Seed
Seed

Torbay, Newfoundland. Gallows Cove Trail. June 2, 2007. [Digital - John Maunder]

Flower Head, Close-up
Flower Head, Close-up
Flower Head with Bees
Flower Head with Bees
Flower Head with Bees
Flower Head with Bees
Flower Head with Bees
Whole Plant

St. John's, Newfoundland. Prim Park, at Wedgewood Park/Torbay Road intersection. Disturbed park area. June 25, 2003. [Digital - John Maunder]

Puffball
Puffball
Seeds, Closeup
Seeds
Seeds

St. John's, Newfoundland. Forest Road. Anglican Cemetery. June 27, 2011. [Digital - John Maunder]

Whole Plant
Whole Plant

Raleigh, Newfoundland. Aunt Martha's Hill [Piton Point], north of main town. Limestone scree, below cliffs on seaward side of point. July 16, 2003. [Digital - John Maunder]

Flower Head, Top
Flower Head, Side
Various Heads
Head, in Bud
Leaf Bases
Whole Plant
Whole Plant

Cook's Harbour Point, just north of Square Cove, Newfoundland. Upper beach. July 21, 2002. [Digital - John Maunder]

Flower Head, Side View
Flower Head, in Bud
Leaf Rosette

Carbonear, Newfoundland. Near salt water. Disturbed area. August 2, 2002. [Digital - John Maunder]

Fruiting Head
Fruiting Head
Fruiting Head

Clarke's Beach, Newfoundland. South River, near river mouth. Disturbed area. Sept 8, 2002. [Digital - John Maunder]

Leaf Rosette, Closeup
Leaf Rosette

Bowring Park, St. John's, Newfoundland. Grassy field. October 2, 2001. [Digital - John Maunder]

Closeup of Flower Head
Closeup of Flower Head, with fly

Brigus, Newfoundland. Disturbed area near beach. October 21, 2001. [Digital - John Maunder]

Closeup of Puffball

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Taraxacum officinale var. [note broad spreading, not reflexing, caliculi - final identification pending]  -  Marsh Dandelion - [NF, LAB]

Raleigh, Newfoundland. Aunt Martha's Hill [Piton Point], north of main town. Limestone scree, below cliffs on seaward side of point. July 15, 2002. [Digital - John Maunder]

Flower Head in Bud
Flower Head
Puffball
Puffball and Seeds
Seeds
Seeds
Seeds
Seeds
Leaf Bases

Cape Norman, Newfoundland. Near lighthouse. Sheltered limestone heath. July 21, 2002. [Digital - John Maunder]

Flower Heads
Flower Head, Fading
Flower Head, Fading
Leaves
Whole Plant

Burnt Cape, Newfoundland. Limestone barrens. July 22, 2002. [Digital - John Maunder]

Flower Head
Flower Head, Fading
Flower Head, Fading
Puffball, Closeup
Puffball
Leaves, Closeup
Leaves

Battle Harbour, Labrador. Disturbed area in town. July 31, 2003. [Digital - John Maunder]

Flower Head
Flower Head
Leaves

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Taraxacum cf. phymatocarpum J. Vahl [final identification pending]  -  Harp Dandelion - [NF - RARE, LAB]

Big Brook, Newfoundland. Limestone area. Edge of gravel road. July 4, 2002. [Digital - John Maunder]

Flower Head
Flower Head, Side View
Flower Head, Side View
Flower Head, Side View
Whole Plant
Whole Plant

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