Family

Genus

Total # species

Hawaiian species

Reproductive data missing

Field sites in Hawai'i

Liagoraceae

Liagora

80

12

Tetrasporophytes known in only 2 sp.

1 common on all islands;

Ganonema

6

3

Tetrasporophytes known in only 1 sp.

1 common O'ahu, Maui; 1 known only O'ahu (deep)

Helminthocladia

20

2

Tetrasporophytes not analyzed

1 Maui only1 O'ahu only

Trichogloea

6

2

Development of female incomplete; tetrasporophytes unknown

1 O'ahu and Maui only

Trichogloeopsis

6

2

Tetrasporophytes unknown

1 only O'ahu, 'Hawai'i Island

taceae

Dermonema

6

1

Rarely fertile; no tetrasporophytes

O'ahu and Maui on basalt

Dotyophycus

3

2

Limited material of type species

Molokai, O'ahu >26 m depth

Yamadaella

1

1

Carpotetrasporangial plants only

O'ahu, Maui, Hawai'i

aceae

Galaxaura

25

6

How to recognize gametophytes?

1 common O'ahu & SE islands

Scinaia

12

2

Tetrasporophytes known

1 O'ahu only

Tricleocarpa

2

2

Tetrasporophytes only known for T. fragilis

on older islands

Actinotrichia

2

1

Development of female unknown

Species sporadic on all islands