Ulva sp.

Dibner, Research Article Skye, Gabrielson, Paul W. & Freshwater, D. Wilson, 2025, Studies of North Carolina marine algae XV. DNA sequencing reveals some different Ulva species compared to historical reports and U. carsoniae sp. nov. (Ulvales, Chlorophyta), Botanica Marina (Warsaw, Poland) 68 (4), pp. 351-374 : 356-362

publication ID	https://doi.org/10.1515/bot-2025-0011
persistent identifier	https://treatment.plazi.org/id/F77287B4-4058-FFB0-FC8B-B462FD46F837
treatment provided by	Felipe
scientific name	Ulva sp.
status

Treatment

3.1 Ulva sp. NC 1 – Ulva gigantea

Ulva gigantea (sp. NC 1) was resolved in a clade that had strong to full support in both the tufA and rbc L analyses (tufA: BS 98; BI posterior probability (PP) 1.0, and rbc L: BS 99; PP 1.0). It was the most frequently collected species in this study (n = 46) and was sampled from one of the southernmost sites and the northernmost site, in brackish to oceanic environments ( Figure 5 View Figure 5 ). Morphologically U. gigantea was especially plastic, having bladed, tubular, and ‘ linza-type ’ morphologies represented ( Table 3, Figure 6A – D View Figure 6 ). Only two characters, tube width (0.1 – 1.0 cm) and branching pattern (basal) were consistent within this species, but these characters were not applicable to all specimens. These 46 samples also exhibited large variation in maximal length, from less than 10 cm to greater than 20 cm.

Specimen ID Ch 1 Ch 2 Ch 3 Ch 4 Ch 5 Ch 6 Ch 7 Ch 8 Ch 9 Ch 10 Ch 11 Ch 12 Ch 13 Ch 14 Ch 15 Ch 16 Ch 17 Ch 18 Ch 19 Ch 20 Ch 21 Ch 22 Ch 23 Ch 24 Ch 25

Ulva sp. NC1 - Ulva gigantea

NCweed-2052 0 1 N / A 1 0 0 0 1 1 N / A N / A N / A 0 1 0 0 0 1 1 1 3 N / A N / A 2 1 NCweed-2053 0 1 N / A 1 0 0 0 1 1 N / A N / A N / A 0 1 0 0 0 1 1 0 3 N / A N / A 2 1 NCweed- 2057 1 1 1 N/A N/A N/A N/A N/A 0 2 0 1 1 1 0 0 0 1 1 0 0 N / A N / A 0 4 NCweed-2062 0 1 N / A 2 0 0 0 1 1 N / A N / A N / A 0 0 0 0 0 1 1 0 0/1 N / A N / A 2 1 NCweed-2067 0 0 N / A 1 1 0 0 1 1 N / A N / A N / A 0 1 0 0 0 1 1 4 0 N / A N / A 2 1 NCweed-2068 0 0 N / A 1 0 0 0 1 1 N / A 0 1 0 1 0 0 0 1 1 4 3 N / A N / A 2 4 NCweed-2071 0 0 N / A 1 0 0 0 1 1 N / A N / A N / A 0 1 0 0 0/2 1 1 2 3 N / A N / A 2 4 NCweed-2073 0 1 N / A 1 0 0 0 1 1 N / A N / A N / A 0 1 0 0 0 1 1 0 2 N / A N / A 2 4 NCweed-2076 1 0 1 N / A N / A N / A N / A N / A N / A N / A N / A N / A N / A 0 0 0 0 1 1 4 3 N / A N / A 1 4 NCweed-2077 0 2 N / A 2 0 0 0 1 1 N / A N / A N / A 0 0 1 0 0 1 1 4 0 N / A N / A 2 4 NCweed-2078 0 2 N / A 2 0 0 0 1 1 N / A N / A N / A 0 0 0 0 0 1 1 4 2 N / A N / A 2 4 NCweed-2079 0 2 N / A 2 0 0 0 1 1 N / A N / A N / A 0 1 0 0 0 1 1 4 1 N / A N / A 2 4 NCweed- 2080 2 1 N/A 0 0 1 0 0 1 N / A N / A N / A 0 0 0 1 0 0 1 4 3 2 N / A 1 0 NCweed- 2081 2 1 N/A 0 0 1 0 0 1 N / A N / A N / A 0 1 1 1 0/2 2 2 4 2 N / A 0 1 0 NCweed-2083 1 0 1 N / A N / A N / A N / A N / A 1 N / A N / A N / A 0 1 0 0 0 2 2 4 2 N / A N / A 1 0 NCweed-2090 0 2 N / A 2 0 0 0 1 1 N / A N / A N / A 0 1 0 0 0 1 1 4 2 N / A N / A 2 4 NCweed-2091 0 0 N / A 1 0 0 0 1 0 1 0 1 0 1 0 1 0/1 1 1 4 2 N / A N / A 2 4 NCweed-2094 0 0 N / A 1 0 0 0 1 1 1 N / A N / A 0 0 0 0 0 0 1 0 0 N / A N / A 2 2 NCweed-2095 0 1 N / A 1 0 0 0 1 1 N / A N / A N / A 0 0 0 0 0 0 1 2 0 N / A N / A 2 2 NCweed-2096 0 0 N / A 1 0 0 0 1 1 N / A N / A N / A 0 1 0 0 0 1 1 2 0 N / A N / A 2 1 NCweed- 2097 1 1 1 N/ A N / A N / A N / A N / A 1 N / A N / A N / A 0 1 0 0 0 1 2 4 2 N / A N / A 1 0 NCweed-2101 0 1 N / A 2 0 0 0 1 1 1 N / A N / A 0 0 0 0 0 1 1 1 3 1 N / A 2 4 NCweed-2103 0 0 N / A 1 0 0 0 1 1 1 N / A N / A 0 0 0 1 0/1 2 1 1 1 N / A N / A 2 0 NCweed- 2113 1 1 1 N/ A N / A N / A N / A N / A 1 N / A N / A N / A 0 2 0 1 0/1 1 1 5 2 N / A 1 1 0 NCweed-2118 0 0 N / A 1 0 0 0 1 1 N / A N / A N / A 0 1 0 0 0/1 1 1 4 0 N / A N / A 2 1 NCweed-2121 0 1 N / A 1 0 0 0 1 1 N / A N / A N / A 0 0 0 0 0 1 1 1 2 2 N / A 2 2 NCweed-2125 0 1 N / A 1 0 0 0 1 1 N / A N / A N / A 0 0 0 0 0/1 1 1 0 0 N / A N / A 2 2 NCweed-2127 0 1 N / A 1 0 0 1 1 1 N / A N / A N / A N / A 1 0 1 0 1 1 4 2 N / A N / A 2 4 NCweed-2154 0 0 N / A 0 0 0 0 0 1 N / A N / A N / A 0 0 0 0 0/1 1 1 2 0 N / A N / A 1 2 NCweed-2155 0 0 N / A 0 0 0 0 1 1 N / A N / A N / A 0 1 0 1 0 1 2 4 2 N / A N / A 2 4 NCweed-2184 0 0 N / A 0 0 0 0 0 1 1 N / A N / A N / A 1 0 0 0 1 1 1 0/2 N / A N / A 1 0 NCweed-2190 0 2 N / A 2 0 0 0 2 1 N / A N / A N / A 0 0 2 1 0 1 1 1 0 N / A N / A 2 1 NCweed-2192 0 2 N / A 1 0 0 0 0 1 N / A N / A N / A 0 1 0 1 0 1 1 4 2 N / A N / A 1 2 NCweed-2194 0 1 N / A 0 0 0 0 1 1 N / A N / A N / A 0 1 0 1 0 1 1 1 0 N / A N / A 2 4 NCweed-2203 0 0 N / A 0 0 0 0 1 1 N / A N / A N / A 0 0 0 0 0 1 1 1 0 N / A N / A 2 4 NCweed-2205 0 0 N / A 1 0 0 0 1 1 N / A N / A N / A 0 N/A 0 0 0 0 1 1 0 N / A N / A 2 1 NCweed-2206 0 1 N / A 1 0 0 0 1 1 N / A N / A N / A 0 1 0 0 0 1 1 1 0 N / A N / A 2 4 NCweed-2209 0 2 N / A 2 0 0 0 1 1 N / A N / A N / A 0 0 0 0 0 1 1 1 0 N / A N / A 2 4 NCweed-2217 0 0 N / A 1 0 0 0 1 1 N / A N / A N / A 0 1 0 0 0/2 1 1 2 3 2 N / A 2 2

25 2 1 2 4 4 2 Ch 24 2 2 2 2 2 1 Ch 23 A A A A A A Ch / NN / N / N // N / N 22 A A A A A Ch 1 / NN / / NN / N / 21 3 3 0 0 0 1 Ch 20 4 0 2 0 2 0 Ch 19 2 1 1 1 1 2 Ch 18 1 1 1 1 1 0 Ch 17 0 0 0 0 0 0 Ch 16 1 1 1 1 1 1 Ch 15 1 1 1 1 0 1 Ch 14 Ch 111 10 0 13 Ch 001 00 0 12 A A A Ch 1 / N 1 / N / N 1 11. 10 Ch Ch 01100 1 A / N / N A / A N / A N 1 0 undetermined 9 8 Ch Ch 01012 0 111 1 1 0 applicable / 7 not Ch 000 00 0, A / N 6. Ch 000 00 0 2 5 Table Ch 010 00 0 in as 4 Ch are 000 21 0 3 /A /A A / /A / A. nov. A / codes Ch

NNN NN sp N) 1 2

Ch ohnoi 0 0 0 0 0 1 lacinulata 0 2 0 2 carsoniae 0 0 character state continued

(

Ch ID

- Ulva 7 2064 2177 2186 8

Ulva - 2200 2235

Ulva - 9 2189 and

Table

Specimen. sp Ulva NCweed- NCweed- NCweed-. sp Ulva NCweed- NCweed-. Ulva sp NCweed- Characters