| Polysiphonia pacifica var. disticha Hollenberg |
Polysiphonia pacifica var. disticha |
Hollenberg |
1942 |
|
Washington |
N. L. Gardner |
UC |
| Polysiphonia pacifica var. determinata Hollenberg |
Polysiphonia pacifica var. determinata |
Hollenberg |
1942 |
Carmel Bay |
California |
N. L. Gardner |
UC |
| Polysiphonia pacifica Hollenberg |
Polysiphonia pacifica |
Hollenberg |
1942 |
|
California |
Dr. C. L. Anderson |
NY |
| Polysiphonia morrowii Harvey |
Polysiphonia morrowii |
Harvey |
1857 |
|
|
|
TCD |
| Polysiphonia hendryi N.L. Gardner |
Polysiphonia hendryi |
Gardner |
1927 |
Baja California |
Mexico |
G. W. Hendry |
UC |
| Polysiphonia hendryi var. gardneri (Kylin) Hollenberg |
Polysiphonia gardneri |
Kylin |
1941 |
|
California |
N. L. Gardner |
LD? |
| Polysiphonia eastwoodae Setchell et N.L. Gardner |
Polysiphonia eastwoodae |
Setchell et Gardner |
1930 |
Guadalupe Island |
|
Mason |
UC |
| Pterosiphonia dendroidea (Montagne) Falkenberg |
Polysiphonia dendroidea |
Montagne |
1838 |
|
|
d'Orbigny; Gaudichaud |
PC? |
| Polysiphonia hendryi var. luxurians (Hollenberg) Hollenberg |
Polysiphonia collinsii var. luxurians |
Hollenberg |
1944 |
|
Washington |
N. L. Gardner |
UC |
| Polysiphonia hendryi var. deliquescens (Hollenberg) Hollenberg |
Polysiphonia collinsii var. deliquescens |
Hollenberg |
1944 |
|
Alaska |
N. L. Gardner |
UC |
| |
Polysiphonia caloclada |
Ruprecht unpublished |
|
|
|
|
LE |
| Pterosiphonia bipinnata (Postels et Ruprecht) Falkenberg |
Polysiphonia bipinnata |
Postels et Ruprecht |
1840 |
|
Russia |
|
LE |
| Pterosiphonia arctica (J. Agardh) Setchell et N.L. Gardner |
Polysiphonia arctica |
J. Agardh |
1863 |
|
|
Vahl |
LD |
| Plocamium violaceum Farlow |
Plocamium violaceum |
Farlow |
1877 |
|
California |
C. L. Anderson |
FH |
| Plocamium tenue Kylin |
Plocamium tenue |
Kylin |
1925 |
San Juan Islands |
Washington |
H. Kylin |
LD |
| Plocamiocolax pulvinata Setchell |
Plocamiocolax pulvinata |
Setchell |
1923 |
|
California |
Gardner 3333 |
UC |
| Alaria paradisea (Miyabe et Nagai) Widdowson |
Pleuropterum paradiseum |
Miyabe et Nagai |
1932 |
North Kurile Islands |
Russia |
H. Ito & S. Kumori |
SAPA |
| Pleurophycus gardneri Setchell et D.A. Saunders ex Tilden |
Pleurophycus gardneri |
Setchell et Saunders ex Tilden |
1900 |
San Juan Island |
Washington |
J. E. Tilden |
MINN |
| Pleuroblepharidella japonica (Okamura) M.J. Wynne |
Pleuroblepharis stichidophora |
Wynne |
1970 |
Amchitka I., Aleutian Is. |
Alaska |
M. J. Wynne |
WTU |
| Pleonosporium pedicellatum S.C. Lindstrom, M.J. Wynne et N.I. Calvin |
Pleonosporium pedicellatum |
Lindstrom, Wynne et Calvin |
1983 |
|
Alaska |
S. C. Lindstrom |
MICH |
| Pleonosporium kobayashii Okamura |
Pleonosporium kobayashii |
Okamura |
1933 |
Aleutian Is. |
Alaska |
Yoshinori Kobayashi |
SAP |
| Pterothamnion villosum (Kylin) Athanasiadis et Kraft |
Platythamnion villosum |
Kylin |
1925 |
San Juan Islands |
Washington |
H. Kylin |
LD |
| Pterothamnion pectinatum (Kylin) Athanasiadis et Kraft |
Platythamnion pectinatum |
Kylin |
1925 |
San Juan Islands |
Washington |
H. Kylin |
GB |
| Platysiphonia decumbens M.J. Wynne |
Platysiphonia decumbens |
Wynne |
1969 |
Whidbey Island |
Washington |
R. E. Norris |
WTU |
| Pilayella varia Kjellman |
Pilayella macrocarpa |
Foslie |
1887 |
|
Norway |
|
TRH |