Phytophthora medicaginis
Phytophthora spp. in subclade 8a: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. medicaginis Ex-type CBS 119902 = S&T BL 83. Gloria Abad, USDA S&T.

Phytophthora medicaginis

Phytophthora medicaginis (CPHST BL 83) 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 medicaginis

Phytophthora medicaginis (selected specimen P7029) asexual phase (a–h): (a–f) different shape of sporangia, (a–c) sporangia and hyphal swellings, (f) sporangium with internal proliferation, (g) radiating hyphal swelling, (h) chlamydospore; photos by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (ex-type CPHST BL 83) sexual phase (a–d): (a–c) oogonia with amphigynous antheridia, (d) oogonium with paragynous antheridium; photos by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (ex-type CPHST BL 83) sexual phase: oogonium with amphigynous antheridium; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (ex-type CPHST BL 83) sexual phase: oogonium with amphigynous antheridium; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (ex-type CPHST BL 83) sexual phase: oogonium with amphigynous antheridium; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (ex-type CPHST BL 83) sexual phase: oogonium with paragynous antheridium; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (selected specimen P7029) asexual phase: sporangia and hyphal swellings; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (selected specimen P7029) asexual phase: radiating hyphal swelling; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (selected specimen P7029) asexual phase: nonpapillate sporangia and hyphal swellings; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (selected specimen P7029) asexual phase: chlamydospore; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (selected specimen P7029) asexual phase: sporangia and hyphal swellings; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (selected specimen P7029) asexual phase: nonpapillate sporangium; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (selected specimen P7029) asexual phase: sporangium with internal proliferation; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora medicaginis

Phytophthora medicaginis (selected specimen P7029) asexual phase: nonpapillate sporangium; photo by G. Abad, USDA-APHIS-PPQ.

Phytophthora mediterranea
Phytophthora spp. in subclade 7c: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. mediterranea Ex-type CBS 147720 = S&T BL 217. Gloria Abad, USDA S&T.

Phytophthora mediterranea
Phytophthora spp. in subclade 7c: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. mediterranea Ex-type CBS 147720 = S&T BL 217. Gloria Abad, USDA S&T.

Phytophthora megakarya (in progress - Abad et al. 2023b)
Phytophthora spp. in Clade 4: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. megakarya selected specimen CBS 238.83 = S&T BL 73. Gloria Abad, USDA S&T.

Phytophthora megakarya (in progress - Abad et al. 2023b)
Phytophthora spp. in Clade 4: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. megakarya selected specimen CBS 238.83 = S&T BL 73. Gloria Abad, USDA S&T. 

Phytophthora megakarya (in progress - Abad et al. 2023b)

Phytophthora megakarya (CPHST BL 22) colonies of the selected specimen 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 megakarya (in progress - Abad et al. 2023b)

Phytophthora megakarya (CPHST BL 73) colonies of the selected specimen grown for 7 days on (a) V8 Agar, (b) potato dextrose agar, and (c) malt extract agar; photo by Clinton Greub, Krysta Jennings, and Leandra Knight, USDA-APHIS-PPQ

Phytophthora megakarya (in progress - Abad et al. 2023b)

P. megakarya (selected specimen P8516) collected from Theobroma cacao in Sao Tome and Principe (Gulf of Guinea): (a–c) sporangia globose to ovoid, papillated, caducous with medium pedicels; (d, e) ovoid-globose sporangia borne in close sympodial sporangiophores formed on V8 agar flooded with (10%) soil extract; scale bar = 10 µm; photos by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora megakarya (in progress - Abad et al. 2023b)

P. megakarya (selected specimen P8516) collected from Theobroma cacao in Sao Tome and Principe (Gulf of Guinea): sporangia globose to ovoid, papillated, caducous with medium pedicel; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora megakarya (in progress - Abad et al. 2023b)

P. megakarya (selected specimen P8516) collected from Theobroma cacao in Sao Tome and Principe (Gulf of Guinea): sporangia globose to ovoid, papillated, caducous with medium pedicel; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora megakarya (in progress - Abad et al. 2023b)

P. megakarya (selected specimen P8516) collected from Theobroma cacao in Sao Tome and Principe (Gulf of Guinea): sporangia globose to ovoid, papillated, caducous with medium pedicel; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora megakarya (in progress - Abad et al. 2023b)

P. megakarya (selected specimen P8516) collected from Theobroma cacao in Sao Tome and Principe (Gulf of Guinea): ovoid-globose sporangia borne in close sympodial sporangiophores formed on V8 agar flooded with (10%) soil extract; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora megakarya (in progress - Abad et al. 2023b)

P. megakarya (selected specimen P8516) collected from Theobroma cacao in Sao Tome and Principe (Gulf of Guinea): ovoid-globose sporangia borne in close sympodial sporangiophores formed on V8 agar flooded with (10%) soil extract; photo by Gloria Abad, USDA-APHIS-PPQ.

Phytophthora megasperma (in progress - Abad et al. 2023b)
Phytophthora spp. in subclade 6b: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. megasperma selected specimen CBS 402.72 = S&T BL 43. Gloria Abad, USDA S&T.

Phytophthora megasperma (in progress - Abad et al. 2023b)
Phytophthora spp. in subclade 6b: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. megasperma selected specimen CBS 402.72 = S&T BL 43. Gloria Abad, USDA S&T.  

Phytophthora mekongensis
Phytophthora spp. in subclade 2a: portion of the seven-loci ML phylogeny featuring the type cultures of 212 described species (by T. Bourret). Notice the position of P. mekongensis Ex-type CBS 135136 = S&T BL 218. Gloria Abad, USDA S&T.

Phytophthora mekongensis
Phytophthora spp. in subclade 2a: Morphological Tabular key (PDF) and Tabular key legends (PDF) in IDphy2 KEY SECTION. Notice the data of P. mekongensis Ex-type CBS 135136 = S&T BL 218. Gloria Abad, USDA S&T.