Phytotaxa

**Morphological and molecular identification of three new resupinate species of Hyphoderma (Hyphodermataceae, Agaricomycetes) from East Asia**

ZIYAN DUAN — 2023-05-31

The genus Hyphoderma is one of the most important corticioid fungi worldwide, which causes white rot in wood and plays an important role in forest ecosystems and carbon cycle. In this study, three new wood-inhabiting fungal species, H. marginatum, H. tropicum and H. yunnanense are proposed based on a combination of the morphological and molecular evidence. Hyphoderma marginatum is characterized by the cracking, hard fragile basidiomata having smooth hymenial surface with the upwarping margin, a monomitic hyphal system with clamped generative hyphae, and cylindrical basidiospores. Hyphoderma tropicum is characterized by the resupinate basidiomata with tuberculate hymenial surface, presence of the moniliform cystidia, and ellipsoid to cylindrical basidiospores (6.5–7.5 × 3–4 µm), Hyphoderma yunnanense is characterized by the corneus basidiomata, presence of clamped septate cystidia, and ellipsoid to cylindrical basidiospores. Sequences of ITS and nLSU rRNA genes were used for phylogenetic analyses using maximum likelihood, maximum parsimony, and Bayesian inference methods. The three new species of Hyphoderma inferred from ITS sequences and form separate lineages within the genus.

An annotated checklist of flora of Overa-Aru wildlife sanctuary, Kashmir Himalaya

TAJAMUL ISLAM — 2023-05-31

The Overa-Aru wildlife sanctuary is one of the largest protected areas in terms of area (425 km²) in Kashmir Himalaya. Here, we present an annotated checklist of flora of the sanctuary, which includes 397 taxa (392 species, 1 subspecies, 3 varieties and 1 forma) belonging to 254 genera in 76 families. Asteraceae was the dominant family with 57 species, followed by Rosaceae and Lamiaceae with 28 and 27 species respectively. Likewise, Salix and Veronica were the dominant genera with 7 species each, followed by Artemisia with 6 species. The herbs were dominant (307 species, 77.33%) followed by trees (41, 10.33%). Lifespan wise, perennials were dominant (318 species, 80.1%), followed by annuals (66, 16.62%). The hemicryptophytes were the dominant life forms (224 species, 56.42%), followed by phanerophytes (80, 20.15%). Further, nine species occurring in sanctuary are currently recognized under different IUCN threat categories. The checklist provides the first-ever comprehensive documentation of the flora from this Kashmir Himalayan protected area, supplemented with details on natural life-history traits and up-to-date conservation status. Hopefully, the study will be immensely useful in guiding suitable conservation strategies and management planning of protected areas in the region.

**Two new species of Tibouchina (Melastomataceae) from the Brazilian Cerrado**

FABRÍCIO SCHMITZ MEYER — 2023-05-31

We describe here two new species of Tibouchina from the Brazilian Cerrado. Tibouchina falcifolia is endemic to the state of Goiás and it can be readily recognized by the lanceolate to linear, conduplicate, pendulous leaves, and very conspicuous hypanthium scales. It is morphologically related to Tibouchina aegopogon var. angustifolia, especially by the narrow leaves, but differs by the older branches decorticant (vs. older branches non-decorticating), slightly discolorous leaves (vs. strongly discolorous leaves), with the adaxial surface covered by trichomes (vs. covered by scales). Tibouchina longisquamata is a species endemic to the state of Tocantins and it can be readily recognized by the oval, flat, patent leaves and hypanthium with long scales. It shares with Tibouchina llanorum the oval, slightly discolorous leaves, with a conspicuous petiole, and hypanthium covered with long scales. Tibouchina longisquamata differs from T. llanorum by its subcylindrical branches (vs. 4-6 angulose) and leaves with the adaxial surface covered by trichomes (vs. covered by scales). According to our assessments, based on IUCN criteria, T. falcifolia must be considered as endangered (EN) because its occurrence is restricted, and its populations are small; T. longisquamata is indicated in Deficient Data (DD), with only two known collections. We present here complete descriptions of the new species, taxonomic comments, illustrations made from dehydrated material, photos of live specimens (for T. falcifolia), plates with microscopic details, a distribution map, and an updated list of species of the genus in the Brazilian Cerrado, with its occurrences by state.

Neomassaria khayae sp. nov., a novel pleosporalean species on Khaya senegalensis from Guangdong Province, China

YUNHUI YANG — 2023-05-31

Khaya senegalensis is a tropical plant native to Africa and grown as an ornamental plant in Southern China. During our sample collection in Guangdong Province, China, a saprobic Dothideomycetes was collected from a dead stem of K. senegalensis. The collection was identified as a neomassaria-like species based on the morphology. For further identification of the species, multigene phylogenetic analyses were conducted using large subunit nrDNA (LSU), small subunit nrDNA (SSU), RNA polymerase II second largest subunit gene (rpb2) and translation elongation factor 1-alpha (tef1-α). Based on morphology and phylogeny we identified our collection as a new species and introduced it as Neomassaria khayae. Morphologically, N. khayae distinguishes from other closely related species in terms of larger ascomata, asci and ascospore. In addition, this is the first report of Neomassaria species on K. senegalensis in China. This study will add to the biodiversity of saprobic fungi associated with Meliaceae hosts in Southern China.

Fulvifomes aurantiacus sp. nov. (Basidiomycota; Hymenochaetaceae) from Pakistan

MAHAM FATIMA — 2023-05-31

The present study is the first report dealing with Pakistani Fulvifomes species. A new species, Fulvifomes aurantiacus, is identified on the basis of morpho-anatomical and phylogenetic analyses from Lahore, Pakistan. The species is characterized by pileate to sub-stipitate, basidiocarps having orange-brown pileal surface with yellow ocher wide zones and velutinous poroid hymenophore; 4–5 pores per millimeter, the presence of duplex context, dimitic hyphal system, absence of hymenial setae and the presence of contextual gleoplerous hyphae and highly pigmented ovoid to sub-globose basidiospores, 4.4–6.7 × 3.75–5.8 μm. Phylogenetically, our species formed a distinct clade with other Fulvifomes species, indicating its distinct position in the genus.