Data mode


Sign up

Copy permalink to share

Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz ssp. lyrata . Lyreleaf Rockcress, Dwarf Rockcress, Sandcress. Phen: Mar-Jun; Apr-Sep. Hab: Rock crevices in or thin soil around calcareous or mafic rock outcrops. Dist: The species is widespread in n. North America and e. Asia, south in e. North America to NC, e. TN, and n. GA; ssp. lyrata is strictly North American, from NY west to AK, south to NC, GA (?), TN, MS, MB, SK, AB, and BC. The GA record is an old and indefinite collection ("northern Georgia") by Vasey.

Origin/Endemic status: Native

Taxonomy Comments: Other subspecies (ssp. petraea and ssp. kamchatica) are restricted to nw. North America and ne. Asia (see Al-Shehbaz 2010a).

Synonymy: = FNA7, Il, NE, NY, Va, O'Kane & Al-Shehbaz (1997); = Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz – K4; = Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz var. lyrata – Al-Shehbaz (1988a), Rollins (1993); < Arabidopsis lyrata (L.) O'Kane & Al-Shehbaz – Mi, Tn, Tx; < Arabis lyrata L. – C, F, G, K1, Pa, RAB, S, S13, Tat, W

Show in key(s)

Show parent genus

Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU (name change)
  • Eastern Mountains and Piedmont: FACU (name change)
  • Midwest: FACU (name change)
  • Northcentral & Northeast: FACU (name change)

Heliophily ?: 7

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷


See something wrong or missing on about Arabidopsis lyrata ssp. lyrata? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.

Cite as...