Anadyomenaceae FH: 00550089 Anadyomene stellata (Wulfen) C. Agardh : [data not captured] M. A. Howe 2360 1903-6-12
Bryopsidaceae FH: 00550438 Bryopsis pennata J. V. Lamouroux : Puerto Rico: [data not captured] M. A. Howe 2299 1903-6-4
Caulerpaceae FH: 00852441 Caulerpa prolifera (Forsskål) J. V. Lamouroux : Puerto Rico: Lemon Bay, near Guanica M. A. Howe 1903-6-27
Chaetangiaceae FH: 00778593 Brachycladia marginata (J. Ellis & Solander) F. Schmitz : Puerto Rico: [data not captured] M. A. Howe 2304 1903-6-4
Dictyotaceae FH: 00901916 Neurocarpus delicatulus (J. V. Lamouroux) Kuntze : Puerto Rico: Guanica Harbor M. A. Howe 2652 1903-6-28
FH: 00901917 Neurocarpus delicatulus (J. V. Lamouroux) Kuntze : Puerto Rico: Santurce, San Juan M. A. Howe 2229 1903-5-28
Galaxauraceae FH: 00909256 Dichotomaria obtusata (J. Ellis & Solander) Lamarck : Puerto Rico: Rincon, PR M. A. Howe 2500 1903-6-17
FH: 00899452 Galaxaura cylindrica (J. Ellis & Solander) J. V. Lamouroux : San Juan: Santurce, San Juan, PR M. A. Howe 1967a 1903-5-20
FH: 00889481 Galaxaura flagelliformis Kjellman : San Juan: Triest, Italy M. A. Howe 1859a 1903-5-15
FH: 00909256 Galaxaura obtusata (J. Ellis & Solander) J. V. Lamouroux : Puerto Rico: Rincon, PR M. A. Howe 2500 1903-6-17
FH: 00909306 Galaxaura rugosa (J. Ellis & Solander) J. V. Lamouroux : San Juan: Santurce, San Juan, PR M. A. Howe 1859b 1903-5-15
FH: 00909306 Galaxaura squalida Kjellman : San Juan: Santurce, San Juan, PR M. A. Howe 1859b 1903-5-15
FH: 00899452 Tricleocarpa cylindrica (J. Ellis & Solander) Huisman & Borowitzka : San Juan: Santurce, San Juan, PR M. A. Howe 1967a 1903-5-20
Polyphysaceae FH: 00550005 Acetabularia crenulata J. V. Lamouroux : Puerto Rico: [data not captured] M. A. Howe 2573 1903-6-25
FH: 00550008 Acetabularia crenulata J. V. Lamouroux : Puerto Rico: [data not captured] M. A. Howe 2623 1903-6-27
