Ammophila breviligulata subsp. champlainensis

(F. Seym.) P.J. Walker, C.A. Paris & Barrington ex Barkworth
Common names: Champlain beachgrass
Synonyms: Ammophila champlainensis
Treatment appears in FNA Volume 24. Treatment on page 777.

Flag leaf blades 8-22 cm. Panicles 9-17 cm. Glumes 8-11.5 mm; lemmas 8-10 mm; anthers 3-4.5 mm. 2n = unknown.

Discussion

Ammophila breviligulata subsp. champlainensis differs from subsp. breviligulata primarily in its earlier anthesis, from June to early July rather than late July to September. It also tends to be smaller, but the two subspecies overlap in all their morphological characteristics.

Selected References

None.

Lower Taxa

None.

Mary E. Barkworth +
(F. Seym.) P.J. Walker, C.A. Paris & Barrington ex Barkworth +
Champlain beachgrass +
Conn. +, N.J. +, N.Y. +, Wash. +, Va. +, Del. +, Wis. +, N.H. +, N.C. +, Pa. +, R.I. +, B.C. +, N.B. +, Nfld. and Labr. +, N.S. +, Ont. +, P.E.I. +, Que. +, Mass. +, Maine +, Vt. +, Calif. +, Ill. +, Ind. +, Md. +, Ohio +, Minn. +, Mich. +, S.C. +  and Oreg. +
Ammophila champlainensis +
Ammophila breviligulata subsp. champlainensis +
Ammophila breviligulata +
subspecies +