Abstract
A new form-genus, Mycopappus, is recognized for fungi producing multicellular, epiphyllous, splash-dispersed propagules previously described under the names Cercosporella alni Dearness and Bartholomew and C. aceris Dearness and Batholomew. Mycopappus alni comb. nov. occurs on Alnus rubra Bong, or A. sinuata (Regel) Rydb. along the Pacific coast from the Alaskan panhandle to Oregon. Mycopappus aceris comb. nov. on Acer macrophyllum Pursh occurs from southern British Columbia to Oregon. Anguillospora vermiformis (Davis) comb. nov. on Alnus rugosa (Du Roi) Spreng. in Wisconsin and A. coryli sp. nov. on Corylus americana Walt, and C. cornuta Marsh, in Wisconsin have been confused with Mycopappus alni. All four species are leaf pathogens.
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Claims 5
Claim · model-written summary
Mycopappus alni occurs on Alnus rubra or A. sinuata along the Pacific coast from the Alaskan panhandle to Oregon.
- Taxon
- Alnus rubra
Alnus rubrae1
- Interactor
- Mycopappus alniMycopappus alnie1pathogene5
- Outcome
- occurse1
- Setting
- along the Pacific coast from the Alaskan panhandle to Oregone1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Mycopappus alni comb. nov. occurs on Alnus rubra Bong, or A. sinuata (Regel) Rydb. along the Pacific coast from the Alaskan panhandle to Oregon”
e5“All four species are leaf pathogens”
Claim · model-written summary
Mycopappus aceris occurs on Acer macrophyllum from southern British Columbia to Oregon.
- Taxon
- Acer macrophyllum
Acer macrophyllume2 - Interactor
- Mycopappus acerisPetrakia acerise2pathogene5
- Outcome
- occurse2
- Setting
- from southern British Columbia to Oregone2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e2“Mycopappus aceris comb. nov. on Acer macrophyllum Pursh occurs from southern British Columbia to Oregon”
e5“All four species are leaf pathogens”
Claim · model-written summary
Anguillospora vermiformis is recorded on Alnus rugosa in Wisconsin.
- Taxon
- Alnus rugosa
Alnus incana subsp. rugosae3 - Outcome
- comb. nov.e3
- Setting
- in Wisconsine3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e3“Anguillospora vermiformis (Davis) comb. nov. on Alnus rugosa (Du Roi) Spreng. in Wisconsin”
e5“All four species are leaf pathogens”
Claim · model-written summary
A. coryli sp. nov. occurs on Corylus americana and C. cornuta in Wisconsin.
- Taxon
- Corylus americana
Corylus americanae4 - Outcome
- sp. nov.e4
- Setting
- in Wisconsine4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e4“A. coryli sp. nov. on Corylus americana Walt, and C. cornuta Marsh, in Wisconsin”
e5“All four species are leaf pathogens”
Claim · model-written summary
All four species are leaf pathogens.
- Taxon
- Alnus rubra
Alnus rubrae1
- Interactor
- Mycopappus alniMycopappus alnie1pathogene5
- Outcome
- leaf pathogense5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Mycopappus alni comb. nov. occurs on Alnus rubra Bong”
e5“All four species are leaf pathogens”