Gen. Asclepias (Asclepiadaceae) / Flora of USA and Canada

Scientific name	Google Search	*Distribution in USA and Canada ()**	Common names	Grown habit	Duration
Asclepias albicans S. Watson		USA (AZ, CA) Map for Asclepias albicans S. Watson (*)	whitestem milkweed	Subshrub, Shrub	Perennial
Asclepias amplexicaulis Sm.		USA (AL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, NC, NE, NH, NJ, NY, OH, OK, PA, RI, SC, TN, TX, VA, VT, WI, WV) Map for Asclepias amplexicaulis Sm. (*)	clasping milkweed	Forb/herb	Perennial
Asclepias angustifolia Schweigg.		USA (AZ) Map for Asclepias angustifolia Schweigg. (*)	Arizona milkweed	Forb/herb	Perennial
Asclepias arenaria Torr.		USA (CO, KS, NE, NM, OK, SD, TX, WY) Map for Asclepias arenaria Torr. (*)	sand milkweed	Forb/herb	Perennial
Asclepias asperula (Decne.) Woodson		USA (AZ, CA, CO, ID, KS, NE, NM, NV, OK, TX, UT) Map for Asclepias asperula (Decne.) Woodson (*)	spider milkweed	Forb/herb	Perennial
Asclepias asperula (Decne.) Woodson ssp. asperula		USA (AZ, CA, CO, ID, NE, NM, NV, TX, UT) Map for Asclepias asperula (Decne.) Woodson ssp. asperula (*)		Forb/herb	Perennial
Asclepias asperula (Decne.) Woodson ssp. capricornu (Woodson) Woodson = Asclepias asperula (Decne.) Woodson var. decumbens (Nutt.) Shinners = Asclepias capricornu Woodson = Asclepias capricornu Woodson ssp. occidentalis Woodson = Asclepias decumbens (Nutt.) Decne. = Asclepiodora decumbens (Nutt.) A. Gray		USA (AZ, KS, NE, NM, OK, TX) Map for Asclepias asperula (Decne.) Woodson ssp. capricornu (Woodson) Woodson (*)		Forb/herb	Perennial
Asclepias brachystephana Engelm. ex Torr.		USA (AZ, NM, TX) Map for Asclepias brachystephana Engelm. ex Torr. (*)	bract milkweed	Forb/herb	Perennial
Asclepias californica Greene		USA (CA) Map for Asclepias californica Greene (*)	California milkweed	Forb/herb	Perennial
Asclepias californica Greene ssp. californica		USA (CA) Map for Asclepias californica Greene ssp. californica (*)		Forb/herb	Perennial
Asclepias californica Greene ssp. greenei Woodson		USA (CA) Map for Asclepias californica Greene ssp. greenei Woodson (*)		Forb/herb	Perennial
Asclepias cinerea Walter		USA (AL, FL, GA, MS, SC) Map for Asclepias cinerea Walter (*)	Carolina milkweed	Forb/herb	Perennial
Asclepias connivens Baldw. = Anantherix connivens (Baldw.) Feay		USA (AL, FL, GA, MS, SC) Map for Asclepias connivens Baldw. (*)	largeflower milkweed	Forb/herb	Perennial
Asclepias cordifolia (Benth.) Jeps. = Gomphocarpus cordifolius Benth.		USA (CA, NV, OR) Map for Asclepias cordifolia (Benth.) Jeps. (*)	heartleaf milkweed	Forb/herb	Perennial
Asclepias cryptoceras S. Watson		USA (AZ, CA, CO, ID, NV, OR, UT, WA, WY) Map for Asclepias cryptoceras S. Watson (*)	pallid milkweed	Forb/herb	Perennial
Asclepias cryptoceras S. Watson ssp. cryptoceras		USA (AZ, CA, CO, NV, UT, WY) Map for Asclepias cryptoceras S. Watson ssp. cryptoceras (*)		Forb/herb	Perennial
Asclepias cryptoceras S. Watson ssp. davisii (Woodson) Woodson = Asclepias cryptoceras S. Watson var. davisii (Woodson) W.H. Baker = Asclepias davisii Woodson		USA (CA, ID, NV, OR, WA, WY) Map for Asclepias cryptoceras S. Watson ssp. davisii (Woodson) Woodson (*)		Forb/herb	Perennial
Asclepias curassavica L.		USA (CA, FL, HI, LA, TN, TX), USA+ (PR, VI) Map for Asclepias curassavica L. (*)	bloodflower	Subshrub, Forb/herb	Perennial
Asclepias curtissii A. Gray = Asclepias aceratoides Nash = Oxypteryx curtissii (A. Gray) Small		USA (FL) Map for Asclepias curtissii A. Gray (*)	Curtiss' milkweed	Forb/herb	Perennial
Asclepias cutleri Woodson		USA (AZ, UT) Map for Asclepias cutleri Woodson (*)	Cutler's milkweed	Forb/herb	Perennial
Asclepias emoryi (Greene) Vail		USA (NM, TX) Map for Asclepias emoryi (Greene) Vail (*)	Emory's milkweed	Forb/herb	Perennial
Asclepias engelmanniana Woodson = Acerates auriculata Engelm. ex Torr. = Asclepias auriculata (Engelm. ex Torr.) Holz.		USA (AZ, CO, IA, KS, NE, NM, OK, TX, UT, WY) Map for Asclepias engelmanniana Woodson (*)	Engelmann's milkweed	Forb/herb	Perennial
Asclepias eriocarpa Benth. = Asclepias eriocarpa Benth. var. microcarpa Munz & I.M. Johnst. = Asclepias fremontii Torr. ex A. Gray		USA (CA) Map for Asclepias eriocarpa Benth. (*)	woollypod milkweed	Forb/herb	Perennial
Asclepias erosa Torr.		USA (AZ, CA, NV, UT) Map for Asclepias erosa Torr. (*)	desert milkweed	Subshrub, Forb/herb	Perennial
Asclepias exaltata L. = Asclepias bicknellii Vail = Asclepias phytolaccoides Pursh		USA (AL, CT, DE, GA, IA, IL, IN, KY, MA, MD, ME, MI, MN, MS, NC, NH, NJ, NY, OH, PA, RI, SC, TN, VA, VT, WI, WV), CAN (ON, QC) Map for Asclepias exaltata L. (*)	poke milkweed	Forb/herb	Perennial
Asclepias fascicularis Decne. = Asclepias mexicana auct. non Cav.		USA (CA, ID, NV, OR, UT, WA) Map for Asclepias fascicularis Decne. (*)	Mexican whorled milkweed	Forb/herb	Perennial
Asclepias feayi Chapm. ex A. Gray = Asclepiodella feayi (Chapm. ex A. Gray) Small		USA (FL) Map for Asclepias feayi Chapm. ex A. Gray (*)	Florida milkweed	Forb/herb	Perennial
Asclepias fruticosa L. = Gomphocarpus fruticous (L.) W.T. Aiton		USA (CA) Map for Asclepias fruticosa L. (*)	African milkweed	Subshrub	Perennial
Asclepias glaucescens Kunth = Asclepias elata Benth.		USA (AZ, NM, TX) Map for Asclepias glaucescens Kunth (*)	nodding milkweed	Forb/herb	Perennial
Asclepias hallii A. Gray		USA (AZ, CO, NM, NV, UT, WY) Map for Asclepias hallii A. Gray (*)	Hall's milkweed	Forb/herb	Perennial
Asclepias hirtella (Pennell) Woodson = Acerates hirtella Pennell = Asclepias longifolia Michx. var. hirtella (Pennell) J. Farmer & C.R. Bell		USA (AL, AR, GA, IA, IL, IN, KS, KY, LA, MI, MN, MO, MS, OH, OK, TN, WI, WV), CAN (ON) Map for Asclepias hirtella (Pennell) Woodson (*)	green milkweed	Forb/herb	Perennial
Asclepias humistrata Walter		USA (AL, FL, GA, LA, MS, NC, SC) Map for Asclepias humistrata Walter (*)	pinewoods milkweed	Forb/herb	Perennial
Asclepias hypoleuca (A. Gray) Woodson		USA (AZ, NM) Map for Asclepias hypoleuca (A. Gray) Woodson (*)	mahogany milkweed	Forb/herb	Perennial
Asclepias incarnata L.		USA (AL, AR, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY), CAN (MB, NB, NS, ON, PE, QC) Map for Asclepias incarnata L. (*)	swamp milkweed	Forb/herb	Perennial
Asclepias incarnata L. ssp. incarnata		USA (AL, AR, CO, CT, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, PA, SD, TN, TX, UT, VA, VT, WI, WV, WY), CAN (MB, NB, NS, ON, PE, QC) Map for Asclepias incarnata L. ssp. incarnata (*)		Forb/herb	Perennial
Asclepias incarnata L. ssp. pulchra (Ehrh. ex Willd.) Woodson = Asclepias incarnata L. var. neoscotica Fernald = Asclepias incarnata L. var. pulchra (Ehrh. ex Willd.) Pers. = Asclepias pulchra Ehrh. ex Willd.		USA (CT, DC, DE, FL, GA, KY, MA, MD, ME, MI, NC, NH, NJ, NY, PA, RI, SC, TN, TX, VA, VT, WV) Map for Asclepias incarnata L. ssp. pulchra (Ehrh. ex Willd.) Woodson (*)		Forb/herb	Perennial
Asclepias involucrata Engelm. ex Torr. = Asclepias macrosperma Eastw.		USA (AZ, CO, KS, NM, OK, TX, UT) Map for Asclepias involucrata Engelm. ex Torr. (*)	dwarf milkweed	Subshrub, Forb/herb	Perennial
Asclepias labriformis M.E. Jones		USA (UT) Map for Asclepias labriformis M.E. Jones (*)	Utah milkweed	Forb/herb	Perennial
Asclepias lanceolata Walter = Asclepias lanceolata Walter var. paupercula (Michx.) Fernald		USA (AL, DE, FL, GA, LA, MD, MS, NC, NJ, SC, TN, TX, VA) Map for Asclepias lanceolata Walter (*)	fewflower milkweed	Forb/herb	Perennial
Asclepias lanuginosa Nutt. = Acerates lanuginosa (Nutt.) Decne. = Asclepias otarioides auct. non Fourn.		USA (IA, IL, KS, MN, ND, NE, SD, WI), CAN (MB) Map for Asclepias lanuginosa Nutt. (*)	sidecluster milkweed	Forb/herb	Perennial
Asclepias latifolia (Torr.) Raf.		USA (AZ, CA, CO, KS, NE, NM, OK, SD, TX, UT) Map for Asclepias latifolia (Torr.) Raf. (*)	broadleaf milkweed	Forb/herb	Perennial
Asclepias lemmonii A. Gray		USA (AZ) Map for Asclepias lemmonii A. Gray (*)	Lemmon's milkweed	Forb/herb	Perennial
Asclepias linaria Cav.		USA (AZ, CA, NM) Map for Asclepias linaria Cav. (*)	pineneedle milkweed	Subshrub, Forb/herb	Perennial
Asclepias linearis Scheele		USA (MD, TX) Map for Asclepias linearis Scheele (*)	slim milkweed	Subshrub, Forb/herb	Perennial
Asclepias longifolia Michx. = Acerates delticola Small = Acerates floridana (Lam.) Hitchc. = Acerates longifolia (Michx.) Elliot		USA (AL, AR, DE, FL, GA, LA, MD, MS, NC, SC, TX, VA, WV) Map for Asclepias longifolia Michx. (*)	longleaf milkweed	Forb/herb	Perennial
Asclepias macrotis Torr.		USA (AZ, CO, NM, OK, TX) Map for Asclepias macrotis Torr. (*)	longhood milkweed	Subshrub	Perennial
Asclepias meadii Torr. ex A. Gray		USA (IA, IL, IN, KS, MO, WI) Map for Asclepias meadii Torr. ex A. Gray (*)	Mead's milkweed	Forb/herb	Perennial
Asclepias michauxii Decne.		USA (AL, FL, GA, LA, MS, SC) Map for Asclepias michauxii Decne. (*)	Michaux's milkweed	Forb/herb	Perennial
Asclepias nivea L.		USA+ (PR, VI) Map for Asclepias nivea L. (*)	Caribbean milkweed	Subshrub, Forb/herb	Perennial
Asclepias nummularia Torr.		USA (AZ, NM, TX) Map for Asclepias nummularia Torr. (*)	tufted milkweed	Forb/herb	Perennial
Asclepias nyctaginifolia A. Gray		USA (AZ, CA, NM, NV) Map for Asclepias nyctaginifolia A. Gray (*)	Mojave milkweed	Forb/herb	Perennial
Asclepias obovata Elliot = Asclepias viridiflora Raf. var. obovata (Elliot) Torr.		USA (AL, AR, FL, GA, LA, MS, OK, SC, TX) Map for Asclepias obovata Elliot (*)	pineland milkweed	Forb/herb	Perennial
Asclepias oenotheroides Cham. & Schltdl. = Asclepias brevicornu Scheele		USA (CO, LA, NM, OK, TX) Map for Asclepias oenotheroides Cham. & Schltdl. (*)	zizotes milkweed	Forb/herb	Perennial
Asclepias ovalifolia Decne.		USA (IA, IL, MI, MN, MT, ND, SD, WI, WY), CAN (AB, BC, MB, ON, SK) Map for Asclepias ovalifolia Decne. (*)	oval-leaf milkweed	Forb/herb	Perennial
Asclepias pedicellata Walter = Podostigma pedicellata (Walter) Vail		USA (FL, GA, NC, SC) Map for Asclepias pedicellata Walter (*)	savannah milkweed	Forb/herb	Perennial
Asclepias perennis Walter		USA (AL, AR, FL, GA, IL, IN, KY, LA, MO, MS, SC, TN, TX) Map for Asclepias perennis Walter (*)	aquatic milkweed	Forb/herb	Perennial
Asclepias physocarpa (E. Mey.) Schltr. = Gomphocarpus physocarpus E. Mey.		USA (HI) Map for Asclepias physocarpa (E. Mey.) Schltr. (*)	balloonplant	Forb/herb	Perennial
Asclepias prostrata Blackwell		USA (TX) Map for Asclepias prostrata Blackwell (*)	prostrate milkweed	Subshrub, Forb/herb	Perennial
Asclepias pumila (A. Gray) Vail		USA (CO, IA, KS, MT, ND, NE, NM, OK, SD, TX, WY) Map for Asclepias pumila (A. Gray) Vail (*)	plains milkweed	Forb/herb	Perennial
Asclepias purpurascens L.		USA (AR, CT, DC, DE, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NH, NJ, NY, OH, OK, PA, RI, SD, TN, TX, VA, WI, WV), CAN (ON) Map for Asclepias purpurascens L. (*)	purple milkweed	Forb/herb	Perennial
Asclepias quadrifolia Jacq.		USA (AL, AR, CT, DE, GA, IA, IL, IN, KS, KY, MA, MD, MN, MO, MS, NC, NH, NJ, NY, OH, OK, PA, RI, SC, TN, VA, VT, WV), CAN (ON) Map for Asclepias quadrifolia Jacq. (*)	fourleaf milkweed	Forb/herb	Perennial
Asclepias quinquedentata A. Gray		USA (AZ, NM, TX) Map for Asclepias quinquedentata A. Gray (*)	slimpod milkweed	Forb/herb	Perennial
Asclepias rubra L. = Asclepias laurifolia Michx.		USA (AL, AR, DC, DE, FL, GA, LA, MD, MS, NC, NJ, NY, PA, SC, TX, VA) Map for Asclepias rubra L. (*)	red milkweed	Forb/herb	Perennial
Asclepias rusbyi (Vail) Woodson = Asclepias engelmanniana Woodson var. rusbyi (Vail) Kearney		USA (AZ, CO, NM, NV, UT) Map for Asclepias rusbyi (Vail) Woodson (*)	Rusby's milkweed	Forb/herb	Perennial
Asclepias scaposa Vail		USA (NM, TX) Map for Asclepias scaposa Vail (*)	Bear Mountain milkweed	Forb/herb	Perennial
Asclepias solanoana Woodson = Solanoa purpurascens (A. Gray) Greene		USA (CA) Map for Asclepias solanoana Woodson (*)	serpentine milkweed	Forb/herb	Perennial
Asclepias speciosa Torr. = Asclepias giffordii Eastw.		USA (AZ, CA, CO, IA, ID, IL, KS, MI, MN, MT, ND, NE, NM, NV, OK, OR, SD, TX, UT, WA, WI, WY), CAN (AB, BC, MB, SK) Map for Asclepias speciosa Torr. (*)	showy milkweed	Forb/herb	Perennial
Asclepias sperryi Woodson		USA (TX) Map for Asclepias sperryi Woodson (*)	Sperry's milkweed	Shrub	Perennial
Asclepias stenophylla A. Gray = Acerates angustifolia (Nutt.) Decne. = Polyotus angustifolius Nutt.		USA (AR, CO, IA, IL, KS, LA, MN, MO, MT, NE, OK, SD, TX, WY) Map for Asclepias stenophylla A. Gray (*)	slimleaf milkweed	Subshrub, Forb/herb	Perennial
Asclepias subulata Decne.		USA (AZ, CA, NV) Map for Asclepias subulata Decne. (*)	rush milkweed	Subshrub, Forb/herb	Perennial
Asclepias subverticillata (A. Gray) Vail = Asclepias galioides auct. non Kunth		USA (AZ, CO, ID, KS, MO, NE, NM, NV, OK, TX, UT, WY) Map for Asclepias subverticillata (A. Gray) Vail (*)	horsetail milkweed	Forb/herb	Perennial
Asclepias sullivantii Engelm. ex A. Gray		USA (AR, IA, IL, IN, KS, MI, MN, MO, ND, NE, OH, OK, SD, WI), CAN (ON) Map for Asclepias sullivantii Engelm. ex A. Gray (*)	prairie milkweed	Forb/herb	Perennial
Asclepias syriaca L. = Asclepias intermedia Vail = Asclepias kansana Vail = Asclepias syriaca L. var. kansana (Vail) Palmer & Steyerm.		USA (AL, AR, CT, DC, DE, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, VA, VT, WI, WV), CAN (MB, NB, NS, ON, PE, QC, SK) Map for Asclepias syriaca L. (*)	common milkweed	Forb/herb	Perennial
Asclepias texana A. Heller		USA (TX) Map for Asclepias texana A. Heller (*)	Texas milkweed	Subshrub, Forb/herb	Perennial
Asclepias tomentosa Elliot		USA (AL, FL, GA, NC, SC, TX) Map for Asclepias tomentosa Elliot (*)	tuba milkweed	Forb/herb	Perennial
Asclepias tuberosa L.		USA (AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, NE, NH, NJ, NM, NY, OH, OK, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV), CAN (ON, QC) Map for Asclepias tuberosa L. (*)	butterfly milkweed	Forb/herb	Perennial
Asclepias tuberosa L. ssp. interior Woodson = Asclepias tuberosa L. ssp. terminalis Woodson = Asclepias tuberosa L. var. interior (Woodson) Shinners		USA (AR, AZ, CA, CO, CT, IA, IL, IN, KS, KY, LA, MI, MN, MO, MS, NE, NM, NY, OH, OK, PA, SD, TN, TX, UT, WI, WV), CAN (ON, QC) Map for Asclepias tuberosa L. ssp. interior Woodson (*)		Forb/herb	Perennial
Asclepias tuberosa L. ssp. rolfsii (Britton ex Vail) Woodson = Asclepias rolfsii Britton ex Vail		USA (AL, FL, GA, MS, NC, SC) Map for Asclepias tuberosa L. ssp. rolfsii (Britton ex Vail) Woodson (*)		Forb/herb	Perennial
Asclepias tuberosa L. ssp. tuberosa		USA (AL, CT, DC, DE, FL, GA, IL, IN, KY, MA, MD, ME, MS, NC, NH, NJ, NY, OH, PA, RI, SC, TN, VA, VT, WV) Map for Asclepias tuberosa L. ssp. tuberosa (*)		Forb/herb	Perennial
Asclepias uncialis Greene		USA (AZ, CO, NM, NV, OK, TX, UT, WY) Map for Asclepias uncialis Greene (*)	wheel milkweed	Forb/herb	Perennial
Asclepias uncialis Greene ssp. ruthiae (Maguire) Kartesz & Gandhi = Asclepias eastwoodiana Barneby = Asclepias ruthiae Maguire = Asclepias sanjuanensis K.D. Heil, J.M. Porter & S.L. Welsh = Asclepias uncialis Greene var. ruthiae (Maguire) E. Sundell		USA (AZ, NM, NV, UT) Map for Asclepias uncialis Greene ssp. ruthiae (Maguire) Kartesz & Gandhi (*)		Forb/herb	Perennial
Asclepias uncialis Greene ssp. uncialis		USA (AZ, CO, NM, OK, TX, UT, WY) Map for Asclepias uncialis Greene ssp. uncialis (*)		Forb/herb	Perennial
Asclepias variegata L. = Biventraria variegata (L.) Small		USA (AL, AR, CT, DC, DE, FL, GA, IL, IN, KY, LA, MD, MO, MS, NC, NJ, NY, OH, OK, PA, SC, TN, TX, VA, WV), CAN (ON) Map for Asclepias variegata L. (*)	redring milkweed	Forb/herb	Perennial
Asclepias verticillata L.		USA (AL, AR, AZ, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, MT, NC, ND, NE, NJ, NM, NY, OH, OK, PA, RI, SC, SD, TN, TX, VA, VT, WI, WV, WY), CAN (MB, ON, SK) Map for Asclepias verticillata L. (*)	whorled milkweed	Forb/herb	Perennial
Asclepias vestita Hook. & Arn.		USA (CA) Map for Asclepias vestita Hook. & Arn. (*)	woolly milkweed	Forb/herb	Perennial
Asclepias vestita Hook. & Arn. ssp. parishii (Jeps.) Woodson = Asclepias vestita Hook. & Arn. var. parishii Jeps.		USA (CA) Map for Asclepias vestita Hook. & Arn. ssp. parishii (Jeps.) Woodson (*)		Forb/herb	Perennial
Asclepias vestita Hook. & Arn. ssp. vestita		USA (CA) Map for Asclepias vestita Hook. & Arn. ssp. vestita (*)		Forb/herb	Perennial
Asclepias viridiflora Raf. = Acerates viridiflora (Raf.) Pursh ex Eaton = Acerates viridiflora (Raf.) Pursh ex Eaton var. ivesii Britton = Acerates viridiflora (Raf.) Pursh ex Eaton var. linearis A. Gray = Asclepias viridiflora Raf. var. lanceolata Torr. = Asclepias viridiflora Raf. var. linearis (A. Gray) Fernald		USA (AL, AR, AZ, CO, CT, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MD, MI, MN, MO, MS, MT, NC, ND, NE, NJ, NM, NY, OH, OK, PA, SC, SD, TN, TX, VA, WI, WV, WY), CAN (AB, BC, MB, ON, SK) Map for Asclepias viridiflora Raf. (*)	green comet milkweed	Forb/herb	Perennial
Asclepias viridis Walter = Asclepiodora viridis (Walter) A. Gray		USA (AL, AR, FL, GA, IL, IN, KS, KY, LA, MO, MS, NE, OH, OK, SC, TN, TX, WV) Map for Asclepias viridis Walter (*)	green antelopehorn	Forb/herb	Perennial
Asclepias viridula Chapm.		USA (AL, FL, GA) Map for Asclepias viridula Chapm. (*)	southern milkweed	Forb/herb	Perennial
Asclepias welshii N.H. Holmgren & P.K. Holmgren		USA (AZ, UT) Map for Asclepias welshii N.H. Holmgren & P.K. Holmgren (*)	Welsh's milkweed	Forb/herb	Perennial

(*) USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 28 August 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

PICTURES

Asclepias amplexicaulis
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 28.
Asclepias arenaria
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 30.
Asclepias asperula ssp. capricornu
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 33.

Asclepias asperula ssp. capricornu
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 25.
Asclepias brachystephana
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 31.
Asclepias cornuti
Jan Kops et al. - Flora Batava - Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

Asclepias curassavica
Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".
Asclepias curassavica
Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".
Asclepias engelmanniana
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 35.

Asclepias exaltata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 29.
Asclepias fruticosa
Credit: Photo by Giuliano Campus
Asclepias fruticosa
Credit: Photo by Giuliano Campus

Asclepias incarnata
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image
Asclepias incarnata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 26.
Asclepias incarnata ssp. pulchra
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 27.

Asclepias lanceolata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 25.
Asclepias lanuginosa
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 35.
Asclepias latifolia
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 27.

Asclepias longifolia
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 35.
Asclepias meadii
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 28.
Asclepias ovalifolia
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 31.

Asclepias perennis
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 31.
Asclepias pumila
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 32.
Asclepias purpurascens
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image

Asclepias purpurascens
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 26.
Asclepias purpurascens
Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".
Asclepias purpurascens
Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

Asclepias quadrifolia
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 29.
Asclepias rubra
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 26.
Asclepias speciosa
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 30.

Asclepias stenophylla
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 34.
Asclepias subverticillata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 32.
Asclepias sullivantii
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 27.

Asclepias syriaca
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 28.
Asclepias syriaca
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 30.
Asclepias syriaca
Hippolyte Coste - Flore descriptive et illustrée de la France, de la Corse et des contrées limitrophes, 1901-1906 - This image is in public domain because its copyright has expired.

Asclepias syriaca
Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".
Asclepias syriaca
Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".
Asclepias tuberosa
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 25.

Asclepias tuberosa
Credit: Photo by Leo Michels. Usage: Public Domain
Asclepias tuberosa
Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".
Asclepias variegata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 29.

Asclepias verticillata
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 32.
Asclepias viridiflora
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 34.
Asclepias viridis
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 33.

L.R. 2009