Kingdom:
Phylum:
Angiosperms
Order:
Asterales
Family:
Genus:
Species:
johnstoniorum
ID:
63878

Status:
valid

Authors:
Henrickson

Source:
gcc

Year:
1980

Citation Micro:
Brittonia 32: 340, fig (1980)

WFO Identifier:
wfo-0000063207

Common Names

  • Ambrosia johnstoniorum
  • Johnston's Ragweed
  • Johnston's Ambrosia

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Description

Ambrosia johnstoniorum (also called Johnston's Ambrosia, among many other common names) is a perennial herbaceous plant that grows up to 30 cm tall. It has a basal rosette of leaves and yellow flowers. It is native to the western United States and is found in dry, open areas such as grasslands and sagebrush.

Uses & Benefits

Ambrosia johnstoniorum is used as an ornamental plant in gardens and is also used as a ground cover in dry areas. It is also used to attract butterflies and bees.

Flower, Seeds and Seedlings

Ambrosia johnstoniorum has small yellow flowers that produce small, light brown seeds. The seedlings are small, with light green leaves.

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Cultivation and Propagation

Ambrosia johnstoniorum can be propagated by seed or division. Seeds should be sown in a well-drained soil mix in spring or early summer. Division should be done in early spring or late summer and the divisions should be planted in a well-drained soil mix. Both methods require adequate light and moisture for successful propagation.

Where to Find Ambrosia johnstoniorum

Ambrosia johnstoniorum can be found in the southwestern United States and northern Mexico.

Ambrosia johnstoniorum FAQ

What is the scientific name of Ambrosia johnstoniorum?

Ambrosia johnstoniorum

What is the common name of Ambrosia johnstoniorum?

Johnston's Ragweed

What is the natural habitat of Ambrosia johnstoniorum?

Dry, rocky hillsides and open woodlands

Species in the Ambrosia genus

Ambrosia chamissonis, Ambrosia dumosa, Ambrosia nivea, Ambrosia flexuosa, Ambrosia microcephala, Ambrosia intergradiens, Ambrosia platyspina, Ambrosia deltoidea, Ambrosia salsola, Ambrosia linearis, Ambrosia pumila, Ambrosia acanthicarpa, Ambrosia dentata, Ambrosia cheiranthifolia, Ambrosia arborescens, Ambrosia polystachya, Ambrosia chenopodiifolia, Ambrosia johnstoniorum, Ambrosia artemisiifolia, Ambrosia artemisioides, Ambrosia tomentosa, Ambrosia divaricata, Ambrosia canescens, Ambrosia artemisioides, Ambrosia arborescens, Ambrosia scabra, Ambrosia tenuifolia, Ambrosia bryantii, Ambrosia carduacea, Ambrosia monogyra, Ambrosia magdalenae, Ambrosia confertiflora, Ambrosia grayi, Ambrosia pannosa, Ambrosia bidentata, Ambrosia camphorata, Ambrosia cordifolia, Ambrosia trifida, Ambrosia ilicifolia, Ambrosia ambrosioides, Ambrosia sandersonii, Ambrosia cumanensis, Ambrosia helenae, Ambrosia velutina, Ambrosia acuminata, Ambrosia psilostachya, Ambrosia hispida, Ambrosia eriocentra,

Species in the Asteraceae family

Aaronsohnia pubescens, Aaronsohnia factorovskyi, Abrotanella filiformis, Abrotanella rostrata, Abrotanella linearis, Abrotanella trilobata, Abrotanella muscosa, Abrotanella inconspicua, Abrotanella trichoachaenia, Abrotanella caespitosa, Abrotanella nivigena, Abrotanella pusilla, Abrotanella linearifolia, Abrotanella papuana, Abrotanella rosulata, Abrotanella emarginata, Abrotanella fertilis, Abrotanella spathulata, Abrotanella purpurea, Abrotanella patearoa, Abrotanella submarginata, Abrotanella diemii, Abrotanella scapigera, Abrotanella forsterioides, Acamptopappus shockleyi, Acamptopappus sphaerocephalus, Acanthocephalus benthamianus, Acanthocephalus amplexifolius, Acanthocladium dockeri, Acanthodesmos distichus, Acanthodesmos gibarensis, Acanthospermum humile, Acanthospermum consobrinum, Acanthospermum glabratum, Acanthospermum microcarpum, Acanthospermum hispidum, Acanthospermum australe, Acanthospermum lecocarpoides, Acanthostyles buniifolius, Acanthostyles saucechicoensis, Achillea buiana, Achillea conrathii, Achillea cucullata, Achillea styriaca, Achillea clavennae, Achillea cappadocica, Achillea huber-morathii, Achillea ptarmicoides, Achillea sieheana, Achillea barrelieri,

References

The Plant List v1.1 record gcc-20184: Based on the initial data import
James Solberg Henrickson (b.1940): Based on occurrence of standard abbreviation 'Henrickson' in the authors string.