Invasion of the Red Seaweed Heterosiphonia japonica Spans Biogeographic Provinces in the Western North Atlantic Ocean
Figure 1
Presence of Heterosiphonia japonica in the Western Atlantic Ocean.
Numbers correspond to locations listed in Table 1 where Heterosiphonia was found in SCUBA, shallow subtidal, and intertidal surveys. Circles indicate locations of in situ SCUBA surveys, with filled circles corresponding to locations where Heterosiphonia was found and open circles indicating locations where Heterosiphonia was absent. Squares correspond to locations where Heterosiphoina was found drifting in the shallow subtidal or as intertidal wrack.