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Morphological Structure

Clades


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Phytophthora riparia
Phytophthora spp. in subclade 6d: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. riparia Ex-type CBS 132024 = S&T BL 111. Gloria Abad, USDA S&T.
Phytophthora riparia
Phytophthora spp. in subclade 6d: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. riparia Ex-type CBS 132024 = S&T BL 111. Gloria Abad, USDA S&T.
Phytophthora riparia

Phytophthora riparia (isolate VI 3-100B9F) plates and asexual phase: cultures of V8S (left) and CA (right) at 15 days; nonpapillate sporangia, some exhibiting internal proliferation; Scale bar = 20 μm; photos by Hansen et al 2012.

Phytophthora riparia

Phytophthora riparia (isolate VI 3-100B9F): cultures of V8S (left) and CA (right) at 15 days; photos by Hansen et al 2012.


Phytophthora riparia

Phytophthora riparia (isolate VI 3-100B9F) asexual phase: nonpapillate sporangium exhibiting internal proliferation; photo by Hansen et al 2012.

Phytophthora riparia

Phytophthora riparia (isolate VI 3-100B9F) asexual phase: nonpapillate persistent sporangium; Scale bar = 20 μm; photo by Hansen et al 2012.

Phytophthora riparia

Phytophthora riparia (isolate VI 3-100B9F) asexual phase: sporangium exhibiting internal proliferation; photo by Hansen et al 2012.

Phytophthora rosacearum
Phytophthora spp. in subclade 6a: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. rosacearum Ex-type CBS 124696 = S&T BL 53. Gloria Abad, USDA S&T.

Phytophthora rosacearum
Phytophthora spp. in subclade 6a: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. rosacearum Ex-type CBS 124696 = S&T BL 53. Gloria Abad, USDA S&T.  
Phytophthora rosacearum

Phytophthora rosacearum (CPHST BL 53) colonies of the ex-type grown for 7 days on (a) V8® Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Krysta Jennings and Leandra Knight, USDA-APHIS-PPQ.

Phytophthora rosacearum

Phytophthora rosacearum (CPHST BL 53) sexual phase: oogonium smooth-walled, paragynous antheridium, and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora rosacearum

Phytophthora rosacearum (CPHST BL 53) sexual phase: oogonium smooth-walled, paragynous antheridium, and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.


Phytophthora rosacearum

Phytophthora rosacearum (CPHST BL 53) sexual phase: oogonium smooth-walled, paragynous antheridium, and aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora rubi
Phytophthora spp. in subclade 7a: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. rubi Ex-type CBS 967.95 = S&T BL 54. Gloria Abad, USDA S&T.
Phytophthora rubi
Phytophthora spp. in subclade 7a: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. rubi Ex-type CBS 967.95 = S&T BL 54. Gloria Abad, USDA S&T.
Phytophthora rubi

Phytophthora rubi (CPHST BL 4) colonies of the ex-type grown for 7 days on (a) V8® Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Krysta Jennings and Leandra Knight, USDA-APHIS-PPQ


Phytophthora sansomeana
Phytophthora spp. in subclade 8a: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. sansomeana Ex-type CBS 117693 = S&T BL 55. Gloria Abad, USDA S&T.
Phytophthora sansomeana
Phytophthora spp. in subclade 8a: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. sansomeana Ex-type CBS 117693 = S&T BL 55. Gloria Abad, USDA S&T.
Phytophthora sansomeana

Phytophthora sansomeana (CPHST BL 55) colonies of the ex-type grown for 7 days on (a) V8® Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Krysta Jennings and Leandra Knight, USDA-APHIS-PPQ

Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) homothallic sexual phase: (a–g) oogonia smooth-walled with predominant amphigynous antheridia (e–g) and paragynous antheridium with finger-like projections (yellow arrow); small oospores (a, b), and two oospores per oogonium (b, d); photos by Gloria Abad, USDA-APHIS-PPQ.


Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) sexual phase: (a) oogonia with amphigynous antheridia (red arrows) and paragynous antheridium with finger-like projections (yellow arrow); oogonia with plerotic (b), and aplerotic (c, d) oospores; photos by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) homothallic sexual phase: oogonium smooth-walled with predominant amphigynous antheridium with finger-like projection; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) sexual phase: oogonium with aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) sexual phase: oogonia with amphigynous antheridia (red arrows) and paragynous antheridium with finger-like projections; photo by Gloria Abad, USDA-APHIS-PPQ.


Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) homothallic sexual phase: two oospores per oogonium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) homothallic sexual phase: oogonia smooth-walled with predominant amphigynous antheridia; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) homothallic sexual phase: oogonia smooth-walled with predominant amphigynous antheridia; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) homothallic sexual phase: aplerotic oospore with smooth-walled oogonium and predominant amphigynous antheridium; photo by Gloria Abad, USDA-APHIS-PPQ.


Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) sexual phase: oogonium with aplerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) homothallic sexual phase: aplerotic oospore with smooth-walled oogonium and predominant amphigynous antheridium; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora sansomeana

Phytophthora sansomeana (ex-type CPHST BL 55) sexual phase: oogonium with plerotic oospore; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora scadinavica
Phytophthora spp. in subclade 10c: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. scandinavica Ex-type CBS 149204. Gloria Abad, USDA S&T.