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Sabulina michauxii (Fenzl) Dillenberger & Kadereit. Rock Sandwort. Phen: May-Jul. Hab: Limestone, dolostone, calcareous sandstone, serpentine, and calcareous shale outcrops and barrens. Dist: ME west to SD, south to VA, AL, nw. AR, TX, and NM.

Origin/Endemic status: Native

Taxonomy Comments: Two varieties are sometimes recognized: a more eastern "michauxii" entity ranging from ME west to MI, south to sw. VA, AL, and AR, and a more western "texana " entity occurring from MO and w. SD south to TX and NM. Additional study is needed.

Other Comments: The distribution is curious and fragmented.

Synonymy: = K4, NY, Dillenberger & Kadereit (2014), Schilling et al (2022); = Arenaria stricta Michx. – Tat, W, WV; = Minuartia michauxii (Fenzl) Farw. – Ar, FNA5, Il, K3, Mi, Pa; = Sabulina stricta – S; > Alsinopsis stricta (Michx.) Small – S13; > Alsinopsis texana (B.L.Rob.) Small – S13; > Arenaria stricta Michx. ssp. stricta – G, Maguire (1951); > Arenaria stricta Michx. ssp. texana – GrPl, Maguire (1951); > Arenaria stricta Michx. var. stricta – C, F, Tx; > Arenaria stricta Michx. var. texana B.L.Rob. ex Britton – F, Tx; > Minuartia michauxii (Fenzl) Farw. var. michauxii – K1, Va; > Minuartia michauxii (Fenzl) Farw. var. texana – NcTx

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Heliophily: 9

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷


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