Boraginaceae

Amsinckia

Amsinckia menziesii var. intermedia (Fisch. & C.A.Mey.) ined.

This variety is accepted

The native range of this variety is W. Canada to Mexico (Baja California, Sonora, Guadalupe). It is an annual and grows primarily in the temperate biome.

Distribution
Synonyms
Classification
Publications
Other data

Native to:

Alberta, Arizona, British Columbia, California, Connecticut, Idaho, Maine, Manitoba, Massachusetts, Mexican Pacific Is., Mexico Northwest, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Mexico, North Dakota, Oregon, Pennsylvania, Saskatchewan, Texas, Utah, Virginia, Washington, Wyoming, Yukon

Introduced into:

Alaska, Aleutian Is., Germany, Hawaii, Illinois, New York

Homotypic Synonyms

Amsinckia intermedia Fisch. & C.A.Mey. in Index Seminum (LE, Petropolitanus) 2: 26 (1836)
Benthamia intermedia (Fisch. & C.A.Mey.) Druce in Rep. Bot. Exch. Club Soc. Brit. Isles 3: 25 (1911 publ. 1912)

Heterotypic Synonyms

Amsinckia abbreviata Suksd. in Werdenda 1: 56 (1931)
Amsinckia abramsii Suksd. in Werdenda 1: 72 (1931)
Amsinckia acuticarpa Suksd. in Werdenda 1: 68 (1931)
Amsinckia albicarpa Suksd. in Werdenda 1: 90 (1931)
Amsinckia ammophila Suksd. in Werdenda 1: 92 (1931)
Amsinckia amplexicaulis Suksd. in Werdenda 1: 83 (1931)
Amsinckia andersonii Suksd. in Werdenda 1: 62 (1931)
Amsinckia angulata Suksd. in Werdenda 1: 109 (1931)
Amsinckia angustata Suksd. in Werdenda 1: 83 (1931)
Amsinckia angustisepala Suksd. in Werdenda 1: 64 (1931)
Amsinckia appressa Suksd. in Werdenda 1: 60 (1931)
Amsinckia arizonica Suksd. in Werdenda 1: 91 (1931)
Amsinckia arvensis Suksd. in Werdenda 1: 32 (1927)
Amsinckia attenuata Eastw. ex Suksd. in Werdenda 1: 79 (1931)
Amsinckia aurea Suksd. in Werdenda 1: 84 (1931)
Amsinckia bakeri Suksd. in Werdenda 1: 87 (1931)
Amsinckia borealis Suksd. in Werdenda 1: 71 (1931)
Amsinckia brachycalyx Suksd. in Werdenda 1: 76 (1931)
Amsinckia brandegeeae Suksd. in Werdenda 1: 81 (1931)
Amsinckia brunnescens Suksd. in Werdenda 1: 57 (1931)
Amsinckia bullata Suksd. in Werdenda 1: 76 (1931)
Amsinckia caduca Suksd. in Werdenda 1: 79 (1931)
Amsinckia californica Suksd. in Werdenda 1: 50 (1931)
Amsinckia cana Suksd. in Werdenda 1: 96 (1931)
Amsinckia canadensis Suksd. in Werdenda 1: 77 (1931)
Amsinckia canescens Suksd. in Werdenda 1: 75 (1931)
Amsinckia catalinensis Suksd. in Werdenda 1: 53 (1931)
Amsinckia ciliata Suksd. in Werdenda 1: 87 (1931)
Amsinckia communis Suksd. in Werdenda 1: 65 (1931)
Amsinckia condensata Suksd. in Werdenda 1: 88 (1931)
Amsinckia congesta Suksd. in Werdenda 1: 82 (1931)
Amsinckia congruens Suksd. in Werdenda 1: 67 (1931)
Amsinckia conspicua Suksd. in Werdenda 1: 73 (1931)
Amsinckia cristata Eastw. ex Suksd. in Werdenda 1: 58 (1931)
Amsinckia ctenocarpa Suksd. in Werdenda 1: 66 (1931)
Amsinckia debilis Brand in Repert. Spec. Nov. Regni Veg. 25: 212 (1928)
Amsinckia decumbens Suksd. in Werdenda 1: 86 (1931)
Amsinckia delicata Suksd. in Werdenda 1: 81 (1931)
Amsinckia demissa Suksd. in Werdenda 1: 88 (1931)
Amsinckia densiflora Suksd. in Werdenda 1: 74 (1931)
Amsinckia densifolia Suksd. in Werdenda 1: 80 (1931)
Amsinckia densirugosa Suksd. in Werdenda 1: 111 (1931)
Amsinckia dictyota Suksd. in Werdenda 1: 78 (1931)
Amsinckia divergens Suksd. in Werdenda 1: 70 (1931)
Amsinckia diversifolia Suksd. in Werdenda 1: 79 (1931)
Amsinckia echinata A.Gray in Proc. Amer. Acad. Arts 10: 54 (1874)
Amsinckia elmeri Suksd. in Werdenda 1: 66 (1931)
Amsinckia elongata Suksd. in Werdenda 1: 61 (1931)
Amsinckia evermannii Suksd. in Werdenda 1: 78 (1931)
Amsinckia exserta Eastw. ex Suksd. in Werdenda 1: 85 (1931)
Amsinckia fluviatilis Suksd. in Werdenda 1: 90 (1931)
Amsinckia foliosa Suksd. in Werdenda 1: 90 (1931)
Amsinckia franciscana Suksd. in Werdenda 1: 65 (1931)
Amsinckia grayi Suksd. in Werdenda 1: 83 (1931)
Amsinckia hallii Suksd. in Werdenda 1: 73 (1931)
Amsinckia hansenii Brand in Repert. Spec. Nov. Regni Veg. 25: 213 (1928)
Amsinckia helleri Suksd. in Werdenda 1: 72 (1931)
Amsinckia hendersonii Suksd. in Werdenda 1: 107 (1931)
Amsinckia hirsuta Suksd. in Werdenda 1: 74 (1931)
Amsinckia hispidula Suksd. in Werdenda 1: 57 (1931)
Amsinckia howellii Brand in Repert. Spec. Nov. Regni Veg. 25: 213 (1928)
Amsinckia humilis Suksd. in Werdenda 1: 81 (1931)
Amsinckia hyperborea Suksd. in Werdenda 1: 89 (1931)
Amsinckia incongruens Suksd. in Werdenda 1: 71 (1931)
Amsinckia incurva Suksd. in Werdenda 1: 57 (1931)
Amsinckia insularis Suksd. in Werdenda 1: 75 (1931)
Amsinckia intermedia var. attenuata (Eastw. ex Suksd.) Hoover in W.L.Jepson, Fl. Calif. 3: 325 (1939)
Amsinckia intermedia var. californica (Suksd.) Hoover in W.L.Jepson, Fl. Calif. 3: 323 (1939)
Amsinckia intermedia var. echinata (A.Gray) Wiggins in Contr. Dudley Herb. 4: 22 (1950)
Amsinckia irritans Brand in Repert. Spec. Nov. Regni Veg. 25: 213 (1928)
Amsinckia keckii Suksd. in Werdenda 1: 82 (1931)
Amsinckia kennedyi Suksd. in Werdenda 1: 64 (1931)
Amsinckia lacunosa Suksd. in Werdenda 1: 66 (1931)
Amsinckia lanceolata Suksd. in Werdenda 1: 82 (1931)
Amsinckia lancifolia Suksd. in Werdenda 1: 80 (1931)
Amsinckia latiflora Suksd. in Werdenda 1: 86 (1931)
Amsinckia laxa Suksd. in Werdenda 1: 87 (1931)
Amsinckia leibergii Brand in Repert. Spec. Nov. Regni Veg. 25: 214 (1928)
Amsinckia leptoclada Suksd. in Werdenda 1: 50 (1931)
Amsinckia leptostachya Suksd. in Werdenda 1: 92 (1931)
Amsinckia leucosperma Suksd. in Werdenda 1: 85 (1931)
Amsinckia linearifolia Suksd. in Werdenda 1: 79 (1931)
Amsinckia longifolia Brand in Repert. Spec. Nov. Regni Veg. 26: 168 (1929)
Amsinckia longistylus Suksd. in Werdenda 1: 50 (1931)
Amsinckia longituba Brand in Repert. Spec. Nov. Regni Veg. 25: 212 (1928)
Amsinckia macounii Brand in Repert. Spec. Nov. Regni Veg. 25: 211 (1928)
Amsinckia macra Suksd. in Werdenda 1: 108 (1931)
Amsinckia manningiae Suksd. in Werdenda 1: 64 (1931)
Amsinckia media E.H.L.Krause in J.W.Sturm, Deutschl. Fl. Abbild., ed. 2. 11: 42 (1903)
Amsinckia melanocarpa Suksd. in Werdenda 1: 89 (1931)
Amsinckia menziesii var. echinata (A.Gray) Brand in H.G.A.Engler (ed.), Pflanzenr., IV, 252(Heft 97): 211 (1931)
Amsinckia microcalyx Brand in Repert. Spec. Nov. Regni Veg. 25: 211 (1928)
Amsinckia microphylla Suksd. in Werdenda 1: 91 (1931)
Amsinckia modesta Suksd. in Werdenda 1: 93 (1931)
Amsinckia mollis Suksd. in Werdenda 1: 54 (1931)
Amsinckia multiflora Suksd. in Werdenda 1: 76 (1931)
Amsinckia multispicata Suksd. in Werdenda 1: 54 (1931)
Amsinckia nana Suksd. in Werdenda 1: 84 (1931)
Amsinckia neomexicana Suksd. in Werdenda 1: 71 (1931)
Amsinckia nephrocarpa Suksd. in Werdenda 1: 91 (1931)
Amsinckia nesophila Suksd. in Werdenda 1: 93 (1931)
Amsinckia nitidicaulis Suksd. in Werdenda 1: 93 (1931)
Amsinckia obtusifolia Suksd. in Werdenda 1: 91 (1931)
Amsinckia orcuttii Suksd. in Werdenda 1: 109 (1931)
Amsinckia oregonensis Suksd. in Werdenda 1: 85 (1931)
Amsinckia orthocarpa Suksd. in Werdenda 1: 76 (1931)
Amsinckia oxycarpa Suksd. in Werdenda 1: 52 (1931)
Amsinckia palmeri Suksd. in Werdenda 1: 65 (1931)
Amsinckia paludosa Suksd. in Werdenda 1: 74 (1931)
Amsinckia palustris Suksd. in Werdenda 1: 86 (1931)
Amsinckia parishii Brand in Repert. Spec. Nov. Regni Veg. 20: 320 (1924)
Amsinckia parshii Suksd. in Werdenda 1: 70 (1931), nom. illeg.
Amsinckia peltata Suksd. in Werdenda 1: 66 (1931)
Amsinckia peltigera Suksd. in Werdenda 1: 53 (1931)
Amsinckia perrugosa Suksd. in Werdenda 1: 57 (1931)
Amsinckia philippii Suksd. in Werdenda 1: 105 (1931)
Amsinckia pleurocarpa Suksd. in Werdenda 1: 73 (1931)
Amsinckia praecox Suksd. in Werdenda 1: 55 (1931)
Amsinckia pratensis Suksd. in Werdenda 1: 67 (1931)
Amsinckia propinqua Suksd. in Werdenda 1: 55 (1931)
Amsinckia pullata Suksd. in Werdenda 1: 67 (1931)
Amsinckia punctata Suksd. in Werdenda 1: 89 (1931)
Amsinckia purpusii Suksd. in Werdenda 1: 92 (1931)
Amsinckia pusilla Suksd. in Werdenda 1: 85 (1931)
Amsinckia quercetorum Suksd. in Werdenda 1: 61 (1931)
Amsinckia ramosissima Suksd. in Werdenda 1: 72 (1931)
Amsinckia rigida Suksd. in Werdenda 1: 91 (1931)
Amsinckia rivularis Suksd. in Werdenda 1: 92 (1931)
Amsinckia robusta Suksd. in Werdenda 1: 61 (1931)
Amsinckia rostrata Suksd. in Werdenda 1: 106 (1931)
Amsinckia rugosa Rydb. in Fl. Rocky Mts.: 729 (1917)
Amsinckia rugosa Suksd. in Werdenda 1: 57 (1931), nom. illeg.
Amsinckia rugosissima Suksd. in Werdenda 1: 77 (1931)
Amsinckia rupestris Suksd. in Werdenda 1: 77 (1931)
Amsinckia santae-barbarae Brand in Repert. Spec. Nov. Regni Veg. 26: 168 (1929)
Amsinckia scabra Suksd. in Werdenda 1: 65 (1931)
Amsinckia scabricarpa Suksd. in Werdenda 1: 93 (1931)
Amsinckia simplex Suksd. in Werdenda 1: 33 (1927)
Amsinckia solida Suksd. in Werdenda 1: 84 (1931)
Amsinckia sparsifolia Suksd. in Werdenda 1: 84 (1931)
Amsinckia sparsiseta Suksd. in Werdenda 1: 80 (1931)
Amsinckia speciosa Suksd. in Werdenda 1: 50 (1931)
Amsinckia spencerae Suksd. in Werdenda 1: 86 (1931)
Amsinckia strigosa Suksd. in Werdenda 1: 70 (1931)
Amsinckia subglabricaulis Suksd. in Werdenda 1: 58 (1931)
Amsinckia swainiae Suksd. in Werdenda 1: 72 (1931)
Amsinckia toussaintii Brand in Repert. Spec. Nov. Regni Veg. 26: 168 (1929)
Amsinckia utahensis Suksd. in Werdenda 1: 106 (1931)
Amsinckia verrucosa Suksd. in Werdenda 1: 54 (1931)
Amsinckia verrucosissima Suksd. in Werdenda 1: 105 (1931)
Amsinckia vestita Suksd. in Werdenda 1: 81 (1931)
Amsinckia viridifolia Suksd. in Werdenda 1: 75 (1931)
Amsinckia vulgaris Suksd. in Werdenda 1: 60 (1931)
Amsinckia washingtonensis Suksd. in Werdenda 1: 110 (1931)
Benthamia echinata (A.Gray) Druce in Rep. Bot. Soc. Exch. Club Brit. Isles 4: 298 (1916)

Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order
Boraginales

View Order Tree opens in a new tab
Family
Boraginaceae

View Family Tree opens in a new tab
Genus
Amsinckia

View in Tree of Life opens in a new tab
Species
Amsinckia menziesii
Variety
Amsinckia menziesii var. intermedia

Kew's Tree of Life Explorer

Discover the flowering plant tree of life and the genomic data used to build it.

View the Tree of Life

POWO follows these authorities in accepting this name:

Govaerts, R. (2003). World Checklist of Seed Plants Database in ACCESS G: 1-40325.
Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.

An alternative taxonomy had been proposed by the following authorities:

Meyers, S.C. & al. (eds.) (2020). Flora of Oregon 2: 1-861. Botanical research institute of Texas Press. [Cited as Amsinckia menziesii.]

Kew Backbone Distributions

Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
Hassler, M. & Muer, T. (2022). Flora Germanica: alle Farn- und Blütenpflanzen Deutschlands in Text und Bild 2: 865-1712. Verlag Regionalkultur, Uberstadt-Weiher.
Hultén, E.O.G. (1960). Flora of the Aleutian Islands and westernmost Alaska Peninsula: with notes on the flora of Commander Islands, ed. 2: 1-376. Weinheim : J. Cramer ; New York : Hafner Pub. Co.
Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
Moran, R. (1996). The flora of Guadalupe island, Mexico. Memoirs of the California Academy of Sciences 19: 1-190.
USDA, NRCS ( 2021-continuously updated). Natural Resources Conservation Services Plant Database http://plants.usda.gov/cgi_bin/topics.cgi?earl=checklist.html.

Other Kew resources that provide information on this taxon:

IPNI - The International Plant Names Index

Date	Reference	Identified As	Barcode	Type Status	Has image?
Jul 1, 1957	Eastwood, A. [3921] United States	Amsinckia intermedia	K001067018	Type	Yes
	Ray, P.M. [2296] United States	Amsinckia intermedia	K004692605		Yes
	Ray, P.M. [2292] United States	Amsinckia intermedia	K004692592		Yes
	Crosswhite, F.S. [55] United States	Amsinckia intermedia	K004692616		Yes
	Chisaki, F. [563] United States	Amsinckia intermedia	K004692596		Yes
	Ray, P.M. [2302] United States	Amsinckia intermedia	K004692612		Yes
	Chisaki, F.; Ray, P.M. [2276] United States	Amsinckia intermedia	K004692611		Yes
	Ray, P.M. [2206] United States	Amsinckia intermedia	K004692598		Yes
	Ray, P.M. [2294] United States	Amsinckia intermedia	K004692607		Yes
	Chisaki, F.; Ray, P.M. [2274] United States	Amsinckia intermedia	K004692610		Yes
	Chisaki, F.; Kamb, P.M. [2258] United States	Amsinckia intermedia	K004692609		Yes
	Chisaki, F.; Ray, P.M. [2280] United States	Amsinckia intermedia	K004692601		Yes
	Chisaki, F. [561] United States	Amsinckia intermedia	K004692597		Yes
	Chisaki, F.; Ray, P.M. [2242] United States	Amsinckia intermedia	K004692594		Yes
	Ray, P.M. [2295] United States	Amsinckia intermedia	K004692604		Yes
	Chisaki, F.; Ray, P.M. [2198] United States	Amsinckia intermedia	K004692613		Yes
	Chisaki, F.; Ray, P.M. [2211] United States	Amsinckia intermedia	K004692595		Yes
	Chisaki, F.; Ray, P.M. [2191] United States	Amsinckia intermedia	K004692603		Yes
	Chisaki, F.; Ray, P.M. [2282] United States	Amsinckia intermedia	K004692600		Yes
	Chisaki, F. [560] United States	Amsinckia intermedia	K004692599		Yes
	Chisaki, F. [569] United States	Amsinckia intermedia	K004692593		Yes
	Kamb, P. [2293] United States	Amsinckia intermedia	K004692602		Yes
	Chisaki, F. [599] United States	Amsinckia intermedia	K004692608		Yes
	Chisaki, F.; Ray, P.M. [2273] United States	Amsinckia intermedia	K004692615		Yes
	[Lohbrummer Bros] [146] United States	Amsinckia intermedia	K004692606		Yes
	Chisaki, F.; Ray, P.M. [2279] United States	Amsinckia intermedia	K004692614		Yes

Herbarium Catalogue Specimens
- 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
- Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
Kew Backbone Distributions
- The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
Kew Names and Taxonomic Backbone
- The International Plant Names Index and World Checklist of Vascular Plants 2025. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

Amsinckia menziesii var. intermedia (Fisch. & C.A.Mey.) ined.

Distribution

Native to:

Introduced into:

Synonyms

Homotypic Synonyms

Heterotypic Synonyms

Classification

Kew's Tree of Life Explorer

Publications

POWO follows these authorities in accepting this name:

An alternative taxonomy had been proposed by the following authorities:

Kew Backbone Distributions

Other Data

Other Kew resources that provide information on this taxon:

IPNI - The International Plant Names Index

Sources

Herbarium Catalogue Specimens

Kew Backbone Distributions

Kew Names and Taxonomic Backbone

Amsinckia menziesii var. intermedia (Fisch. & C.A.Mey.) ined.

Distribution

Native to:

Introduced into:

Synonyms

Homotypic Synonyms

Heterotypic Synonyms

Classification

Kew's Tree of Life Explorer

Publications

POWO follows these authorities in accepting this name:

An alternative taxonomy had been proposed by the following authorities:

Kew Backbone Distributions

Other Data

Other Kew resources that provide information on this taxon:

IPNI - The International Plant Names Index External Link

Herbarium Catalogue (26 records)

Sources

Herbarium Catalogue Specimens

Kew Backbone Distributions

Kew Names and Taxonomic Backbone

IPNI - The International Plant Names Index