Asperula asthenes is a species of flowering plant in the family Rubiaceae, known as trailing woodruff, and is endemic to the east coast of New South Wales, Australia This is a low perennial herb.

The flowers are small, white and star-shaped; fruit are tiny and two-lobed, 1 mm in length.

[1] The species occurs in New South Wales only, growing in damp areas mainly along river banks.

Reported locations are the Central Coast north to near Kempsey, and the Port Stephens, Wallis Lake and Forster area.

Water table raising to reduce acid sulphate discharge may be potentially be detrimental.