Xanthisma spinulosum

{{Short description|Species of flower}}

{{Speciesbox

| image = Xanthisma spinulosum 3.jpg

| image_caption = On Frenchman Mountain, Nevada

| status = {{TNCStatus}}

| status_system = TNC

| genus = Xanthisma

| species = spinulosum

| authority = (Pursh) D.R. Morgan & R.L. Hartm.Turner, B. L. and R. L. Hartman. 1976. Infraspecific categories of Machaeranthera pinnatifida (Compositae). Wrightia 5: 308–315.

| synonyms =

{{Collapsible list

| bullets = yes

|Amellus spinulosus Pursh

|Aster pinnatifidus (Hook.) Kuntze

|Aster pinnatifidus f. pinnatifidus

|Chrysopsis lamarckii Nutt.

|Dieteria pinnata Nutt.

|Dieteria spinulosa (Pursh) Nutt.

|Diplopappus pinnatifidus Hook.

|Eriocarpum australe Greene

|Eriocarpum spinulosum (Pursh) Greene

|Haplopappus arenarius subsp. incisifolius Johnst.

|Haplopappus arenarius var. incisifolius I.M.Johnst.

|Haplopappus coulteri Harv. & A.Gray

|Haplopappus incisifolium I.M.Johnst.

|Haplopappus spinulosus (Pursh) Brandegee

|Haplopappus spinulosus (Pursh) DC.

|Haplopappus spinulosus subsp. australis (Greene) H.M.Hall

|Haplopappus spinulosus subsp. cotula (Small) H.M.Hall

|Haplopappus spinulosus subsp. incisifolius (I.M.Johnst.) H.M.Hall

|Haplopappus spinulosus subsp. laevis (Wooton & Standl.) H.M.Hall

|Haplopappus spinulosus subsp. typicus H.M.Hall

|Haplopappus spinulosus var. canescens A.Gray

|Haplopappus spinulosus var. genuinus S.F.Blake

|Haplopappus spinulosus var. glaber A.Gray

|Haplopappus spinulosus var. spinulosus

|Haplopappus spinulosus var. turbinellus (Rydb.) S.F.Blake

|Machaeranthera australis (Greene) Shinners

|Machaeranthera incisifolia (I.M.Johnst.) G.L.Nesom

|Machaeranthera laevis (Wooton & Standl.) Shinners

|Machaeranthera pinnata (Nutt.) Shinners

|Machaeranthera pinnata f. pinnata

|Machaeranthera pinnatifida (Hook.) Shinners

|Machaeranthera pinnatifida subsp. pinnatifida

|Machaeranthera pinnatifida var. incisifolia (I.M.Johnst.) B.L.Turner & R.L.Hartm.

|Sideranthus australe (Greene) Rydb.

|Sideranthus australis (Greene) Rydb.

|Sideranthus cotula Small

|Sideranthus laevis Wooton & Standl.

|Sideranthus machaeranthera Small

|Sideranthus pinnatifidus (Nutt.)

|Sideranthus puberulus Rydb.

|Sideranthus spinulosus (Pursh) Nutt.

|Sideranthus spinulosus (Pursh) Nutt. ex Nees

|Sideranthus spinulosus (Pursh) Sw.

|Sideranthus spinulosus (Pursh) Sweet

|Sideranthus spinulosus (Pursh) Sweet ex Rydb.

|Sideranthus spinulosus var. spinulosus

|Sideranthus turbinellus Rydb.

|Sideranthus wootonii (Greene) Standl.

|Starkea pinnata Nutt.

|Xanthisma spinulosum subsp. spinulosum

}}

| synonyms_ref = {{GBIF |id=3150486 |taxon=Xanthisma spinulosum |accessdate=3 July 2021}}

}}

Xanthisma spinulosum is a species of flowering plant of the genus Xanthisma native to western North America.{{Cite web|title=Xanthisma spinulosum in Flora of North America @ efloras.org|url=http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250067830|access-date=2021-07-03|website=www.efloras.org}}{{Cite web|first=|date=2013-05-08|title=Xanthisma - University of Waterloo|url=https://uwaterloo.ca/astereae-lab/research/asters/xanthisma|access-date=2021-07-03|website=Astereae Lab|language=en}}

Xanthisma spinulosum grows in dry, sandy hot openings, cooler woodlands, and can be found blooming in the spring, summer, or fall.{{cite web |url=https://www.swcoloradowildflowers.com/Yellow%20Enlarged%20Photo%20Pages/xanthisma%20spinulosum.htm |title=Xanthisma spinulosum |website=swcoloradowildflowers.com |access-date=3 July 2021 }}