New York Natural Heritage Program
Globe-fruited Ludwigia
Ludwigia sphaerocarpa Ell.
Dicots
Ludwigia sphaerocarpa plant Stephen M. Young
Family: Evening-Primrose Family (Onagraceae)

State Protection: Threatened
listed species are those with: 1) 6 to fewer than 20 extant sites, or 2) 1,000 to fewer than 3,000 individuals, or 3) restricted to not less than 4 or more than 7 U.S.G.S. 7 minute topographical maps, or 4) listed as threatened by U.S. Department of Interior.

Federal Protection: Not Listed

State Rarity Rank: S2
A State Rarity Rank of S2 means: This plant is threatened/imperiled in New York because of rarity (typically 6-20 populations or few remaining individuals) or is vulnerable to extirpation from New York due to biological factors.

Global Rarity Rank: G5
A Global Rarity Rank of G5 means: This species is demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.


Did you know?
Although this species grows almost exclusively near the coast there are a few populations known from close to 600 miles inland (Peng 1989). The specific epithet sphaerocarpa means spherical fruited (Fernald 1970) and indicates the shape of the fruits of this species.

State Ranking Justification [-]
There are 17 known extant populations but many of these sites are very close together. There are also about 8 populations which have not been seen in over 70 years and are considered historical. This species is near the northern edge of its range in southeastern New York and the habitat that this species prefers in New York is limited.

Short-term Trends [-]

Long-term Trends [-]