Question: What do Grindelia and Jaborosa have in common?

Context articles: Grindelia fraxinipratensis
Jaborosa
Grindelia integrifolia
Grindelia camporum
Grindelia lanceolata
Grindelia ciliata
Grindelia hirsutula
Grindelia stricta
Grindelia nana
Grindelia

Grindelia fraxinipratensis, common name Ash Meadows gumweed, is a North American species of flowering plants in the daisy family.
 It is native to the southwestern United States, in Mojave Desert regions in Nye County in Nevada and Inyo County in California.
 Some of the Nevada populations (including the type locality) lie inside the Nevada Test Site of the United States Atomic Energy Commission
Jaborosa is a genus of flowering plants in the family Solanaceae, the nightshades.
 There are about 23 species, all native to South America, where they are distributed from Peru to Patagonia.
 Most occur in the Andes.
 Most can be found in Argentina and ten are endemic to the country.
"Grindelia integrifolia", common name Puget Sound gumweed, is a plant species known only from Oregon, Washington and British Columbia.
 It grows in wet meadows and marshlands.
Grindelia camporum is a species of flowering plant in the daisy family known by the common names Great Valley gumplant and Great Valley gumweed.
Grindelia lanceolata is a species of flowering plant in the aster family known by the common name Narrowleaf gumweed.
Grindelia ciliata (syn.
 "Grindelia papposa", "Haplopappus ciliatus", and "Prionopsis ciliata") is a species of flowering plant in the daisy family known by the common names Spanish gold, goldenweed, and waxed goldenweed.
Grindelia hirsutula is a North American species of flowering plant in the daisy family known by the common names hairy gumplant and hairy gumweed.
Grindelia stricta is a species of flowering plant in the daisy family known by the common names Oregon gumplant, Oregon gumweed and (in Britain and Ireland) coastal gumplant.
 It is native to the west coast of North America from California to Alaska, where it is a resident of coastal plant communities such as those in marshes and beaches.
 This plant is variable in appearance, taking the form of a weedlike perennial herb forming low clumps to a sprawling subshrub growing erect to heights exceeding one meter.
 Its foliage and stems are green to rusty red or purplish and the plant may be hairy to hairless.
 The fleshy leaves are green, often with red edges and veining, and are up to 15 centimeters in length on large plants.
 The inflorescence holds one or more flower heads each up to 5 centimeters wide.
 The flower head is a cup of thick erect or recurved green phyllaries.
 Yellow disc florets fill the center of the flower head and there is a fringe of yellow ray florets around the circumference.
 The head produces copious white exudate, especially in the early stages of blooming.
Grindelia nana is a species of flowering plant in the daisy family known by the common names Idaho gumplant and Idaho gumweed.
 It is native to western North America, especially the western United States, where it can be found in a number of dry habitats.
 This is a weedlike perennial herb growing mainly erect to heights between 20 centimeters and one meter.
 Its stems and foliage are mostly green with some reddish coloration.
 Leaves are up to 9 centimeters long.
 The tops of the stem branches bear flower heads one or two centimeters wide, which are bell-shaped with rounded bases.
 The head is a cup of green clawlike, curling or erect phyllaries.
 The center of the head is filled with many disc florets and the circumference is lined with golden yellow ray florets.
Grindelia (gumweed) is a genus of plants native to the Americas belonging to the sunflower family.