Natural Heritage Program List of Rare Plant Species - Rawlings ...

Scientific Name Common Name Status Rank
Province: Habitat (Counties of occurrence) N.C. U.S. N.C. Global
Trichostema brachiatum Glade Bluecurls SR-P - S1 G5
PM: diabase glades, other dry
calcareous or mafic outcrops
(Granville, Madison, Orange*,
Rockingh am, Yancey*)
Trichostema setaceum Narrowleaf Bluecurls SR-T - S2 G5
SPC: dry woodlands, granite
flatrocks
Trichostema sp. 1 Dune Bluecurls SR-L FSC S2 G2
T: dunes, openings in maritime
forest and scrub (Brunswick,
Carteret, Dare, Hyde, New
Hanover)
Tridens ambiguus Pineland Triodia E - S1 G4
C: clay-based Carolina bays
(Scotland)
Tridens carolinianus Carolina Triodia SR-T - S3 G3G4
S: sandhills and pine flatwoods
(Brunswick*, Cumberland,
Harnett, Hoke, Moore, Richmond,
Scotland)
Tridens chapmanii Chapman's Redtop SR-P - S1S2 G3
CP: dry pine and oak woods,
sandy roadsides (Bladen,
Carteret+, Craven, Dare*,
Durh am*, Ho ke+, Jones, Martin*,
Montgomery, Moore, Orange*,
Pender+, Richmond, Scotland*)
Tridens strictus Spike Triodia SR-P - SH G5
C: pine flatwoods (Duplin*,
Hoke*, Pender *, Rob eson*)
Trientalis borealis Starflower SR-P - S1 G5
M: coves, northern hardwood
forest (Cherokee, Graham,
Haywood)
Trifolium carolinianum Carolina Clover SR-O - SH G5
C: savannas, sandy open areas
(Dup lin*, New Hanover*,
Onslow*)
Trifolium reflexum Buffalo Clover SR-T - S1S2 G3G4
PMSC: open woods and clearings
Trillium discolor Mottled Trillium T - S1 G2
M: rich coves in the Savannah
River drainage (Jackson,
Transylvania)
Trillium flexipes Bent White Trillium SR-P - SH G5
M: rich coves (Henderson*,
Swain*)
Trillium pusillum var. ozarkanum Alabama Least Trillium E FSC S1 G3T2Q
(=Trillium pusillum var. 1)
M: rich cove forests (Clay,
Haywood*)
Trillium pusillum var. pusillum Carolina Least Trillium E FSC S2 G3T2
CP: ecotones between savannas
and nonriverine wet hardwood
forests, over marl (Onslow+,
Pender)
59